1939 Pacific typhoon season
Encyclopedia
The 1939 Pacific typhoon season has no official bounds; it ran year-round in 1939, but most tropical cyclones tend to form in the northwestern Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

 between May and November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northwestern Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

.

The scope of this article is limited to the Pacific Ocean, north of the equator and west of the international date line
International Date Line
The International Date Line is a generally north-south imaginary line on the surface of the Earth, passing through the middle of the Pacific Ocean, that designates the place where each calendar day begins...

. Storms that form east of the date line and north of the equator are called hurricanes; see 1939 Pacific hurricane season
1925-1949 Pacific hurricane seasons
The 1925–1949 Pacific hurricane seasons all began during late spring in the northeast Pacific Ocean and the central Pacific. They ended in late fall.Before the satellite age started in the 1960s, data on east Pacific hurricanes is extremely unreliable...

. Storms in the season were tracked by the United States Weather Bureau
National Oceanic and Atmospheric Administration
The National Oceanic and Atmospheric Administration , pronounced , like "noah", is a scientific agency within the United States Department of Commerce focused on the conditions of the oceans and the atmosphere...

 and released in the Monthly Weather Review
Monthly Weather Review
The Monthly Weather Review is a scientific journal published by the American Meteorological Society.Topics covered by the journal include research related to analysis and prediction of observed and modeled circulations of the atmosphere, including technique development, data assimilation, model...

 under the header "Typhoons and Depressions over the Far East". The Monthly Weather Review only covers tropical cyclone
Tropical cyclone
A tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain. Tropical cyclones strengthen when water evaporated from the ocean is released as the saturated air rises, resulting in condensation of water vapor...

s west of 150° E
Longitude
Longitude is a geographic coordinate that specifies the east-west position of a point on the Earth's surface. It is an angular measurement, usually expressed in degrees, minutes and seconds, and denoted by the Greek letter lambda ....

. Due to lack of satellites and ship reports due to the Pacific Theatre
Pacific War
The Pacific War, also sometimes called the Asia-Pacific War refers broadly to the parts of World War II that took place in the Pacific Ocean, its islands, and in East Asia, then called the Far East...

 of World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, it is possible other tropical cyclones existed, especially if they were short-lived or of minor intensity.

There were 29 known tropical cyclones, including 24 of typhoon status, of which several of the storms were deadly. A typhoon in November was the deadliest cyclone of the season, causing 49 deaths as it crossed the Philippines. The same typhoon later struck Hong Kong, where the Hong Kong Observatory recorded the first period of calm during the eye
Eye (cyclone)
The eye is a region of mostly calm weather found at the center of strong tropical cyclones. The eye of a storm is a roughly circular area and typically 30–65 km in diameter. It is surrounded by the eyewall, a ring of towering thunderstorms where the second most severe weather of a cyclone...

 of a cyclone. At least 151 people were killed during the season, with 12 missing and unconfirmed of their status during some point during the season.

Depression One

A depression was first observed on February 3 while located about 250 miles (400 km) of Yap
Yap
Yap, also known as Wa'ab by locals, is an island in the Caroline Islands of the western Pacific Ocean. It is a state of the Federated States of Micronesia. Yap's indigenous cultures and traditions are still strong compared to other neighboring islands. The island of Yap actually consists of four...

. It tracked steadily westward until February 7 when it stalled about 200 miles (320 km) east of the Philippine
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 island of Mindanao
Mindanao
Mindanao is the second largest and easternmost island in the Philippines. It is also the name of one of the three island groups in the country, which consists of the island of Mindanao and smaller surrounding islands. The other two are Luzon and the Visayas. The island of Mindanao is called The...

. The depression remained nearly stationary for two days until turning to a steady northwest motion. It approached the island of Samar Island
Samar Island
Samar is an island in the Visayas, within the central Philippines. The island is divided into three provinces: Samar province, Northern Samar, and Eastern Samar. These three provinces, along with the provinces on the nearby islands of Leyte and Biliran are part of the Eastern Visayas region...

 on February 12, where a pressure of 1006 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 was reported, and subsequently turned to the north and later to the northeast. The depression was last observed on February 16 accelerating towards the Aleutian Islands. The system produced heavy rainfall in the Philippines, with extensive flooding reported in Surigao del Norte
Surigao del Norte
Surigao del Norte is a province of the Philippines located in the Caraga region in Mindanao. Its capital is Surigao City. The province consists of two major islands—Siargao Island and Bucas Grande Island—in the Philippine Sea, and a small region at the northernmost tip of the island of...

. It is unknown if the system intensified into a tropical storm.

Typhoon Two

On April 29, an area of low pressure
Low pressure area
A low-pressure area, or "low", is a region where the atmospheric pressure at sea level is below that of surrounding locations. Low-pressure systems form under areas of wind divergence which occur in upper levels of the troposphere. The formation process of a low-pressure area is known as...

 was located about 300 miles (480 km) south of Yap
Yap
Yap, also known as Wa'ab by locals, is an island in the Caroline Islands of the western Pacific Ocean. It is a state of the Federated States of Micronesia. Yap's indigenous cultures and traditions are still strong compared to other neighboring islands. The island of Yap actually consists of four...

. It moved westward, northward, and ultimately to the west-northwest before developing into a tropical depression on May 2 to the east of the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

. Early on May 3, after intensifying into a tropical storm the system struck the Philippine island of Samar Island
Samar Island
Samar is an island in the Visayas, within the central Philippines. The island is divided into three provinces: Samar province, Northern Samar, and Eastern Samar. These three provinces, along with the provinces on the nearby islands of Leyte and Biliran are part of the Eastern Visayas region...

, and the next day it hit Masbate
Masbate
Masbate is an island province of the Philippines located in the Bicol Region. Its capital is Masbate City and consists of three major islands: Masbate, Ticao and Burias.-History:...

 before turning northward. After passing over northern Luzon
Luzon
Luzon is the largest island in the Philippines. It is located in the northernmost region of the archipelago, and is also the name for one of the three primary island groups in the country centered on the Island of Luzon...

 on May 5, the storm accelerated northeastward as it moved through the Luzon Strait
Luzon Strait
The Luzon Strait is the strait between the island country of Taiwan and Luzon island of the Philippines. The strait thereby connects the Philippine Sea to the South China Sea in the western Pacific Ocean....

, and intensified into a typhoon on May 7. While the typhoon was off the southern coast of Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

, a ship located 290 miles (465 km) south of Nagoya reported a minimum central pressure of 986 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa). The typhoon weakened as it paralleled about 100 miles (160 km) off the coast of Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

, and was last observed on May 9 accelerating northeastward.

The storm produced strong winds throughout the eastern portions of the Philippine archipelago. 90 fishermen were caught in the storm, with one person drowning and eleven missing at one estimate made one month after the storm passed the area. Winds reached tropical storm force in southern Japan.

Typhoon Three

A tropical depression developed on May 26 in the northern portion of the South China Sea
South China Sea
The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Singapore and Malacca Straits to the Strait of Taiwan of around...

. After initially moving to the northwest, the depression later turned to the northeast and quickly intensified to attain typhoon status by May 28 while located to the east of Hainan Island. The typhoon stalled on May 30 before turning to the west, and moved inland on southern China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 on May 31. Several ships reported strong winds, rough seas, and heavy rainfall in conjunction with the storm, with one ship reporting a minimum central pressure of 994 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa). On land, a station in Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

 recorded a pressure of about 1000 mbar as well as minor winds. No damage was reported.

Typhoon Four

On July 7, a tropical depression was first observed while located about 400 miles (645 km) east of Naha, Okinawa
Naha, Okinawa
is the capital city of the Japanese prefecture of Okinawa.Naha is a coastal city located on the East China Sea coast of the southern part of Okinawa Island, the largest of the Ryukyu Islands...

. It moved to the northwest, and the next day a station in Ōshima
Amami Oshima
is a semi-tropical island in the Amami Islands, which is part of the larger Nansei Islands in Japan. Ōshima literally means big island, and it is the largest of the Amami Islands. It lies roughly halfway between the islands of Okinawa and Kyūshū. Briefly part of the Ryūkyū Kingdom, in 1624 it was...

 reported winds in excess of 65 mph (105 km/h) and a pressure of 978 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa) when the storm was nearby. Based on the report, it is estimated it intensified into a typhoon, and after turning northeastward upon entering the Yellow Sea
Yellow Sea
The Yellow Sea is the name given to the northern part of the East China Sea, which is a marginal sea of the Pacific Ocean. It is located between mainland China and the Korean Peninsula. Its name comes from the sand particles from Gobi Desert sand storms that turn the surface of the water golden...

 it struck North Korea
North Korea
The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...

. The storm turned to the east, and was last observed on July 12 in the open Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

. Rainfall and flooding from the typhoon and several other storms during the month resulted in two deaths and considerable damage to private and public property in the Philippines.

Typhoon Five

A tropical depression developed roughly 250 miles (400 km) of the eastern Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 on July 7. The depression tracked northwestward initially, and after intensifying into a typhoon its motion turned to the north-northeast, followed by a turn back to the northwest on July 10. The typhoon crossed the East China Sea
East China Sea
The East China Sea is a marginal sea east of China. It is a part of the Pacific Ocean and covers an area of 1,249,000 km² or 750,000 square miles.-Geography:...

 and made landfall
Landfall (meteorology)
Landfall is the event of a tropical cyclone or a waterspout coming onto land after being over water. When a waterspout makes landfall it is reclassified as a tornado, which can then cause damage inland...

 on eastern China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 near Shanghai
Shanghai
Shanghai is the largest city by population in China and the largest city proper in the world. It is one of the four province-level municipalities in the People's Republic of China, with a total population of over 23 million as of 2010...

 on July 12, where 80-mph (130-km/h) winds and a pressure of 992 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa) were recorded. The storm weakened as it continued its motion while roughly paralleling the northern coastline, and dissipated on July 13. The passage of the typhoon killed at least six people in Shanghai.

Typhoon Six

A typhoon quickly developed about 120 miles (195 km) west of northern Luzon
Luzon
Luzon is the largest island in the Philippines. It is located in the northernmost region of the archipelago, and is also the name for one of the three primary island groups in the country centered on the Island of Luzon...

 on July 10. It initially moved northwestward, then a day later turned to the northeast. After passing through the Luzon Strait
Luzon Strait
The Luzon Strait is the strait between the island country of Taiwan and Luzon island of the Philippines. The strait thereby connects the Philippine Sea to the South China Sea in the western Pacific Ocean....

, the typhoon changed its motion to the northwest, resulting in a landfall on northern Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

. The typhoon struck southeastern China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

, and dissipated about 500 miles (800 km) inland on July 17. A ship en route to Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

 reported a pressure of 997 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa) and winds of over 40 mph (65 km/h). A station on western Luzon recorded minor winds and slightly below normal pressures in association with the system, though damage, if any, is unknown.

Typhoon Seven

On July 15, a low pressure area
Low pressure area
A low-pressure area, or "low", is a region where the atmospheric pressure at sea level is below that of surrounding locations. Low-pressure systems form under areas of wind divergence which occur in upper levels of the troposphere. The formation process of a low-pressure area is known as...

 formed into a tropical depression while located about halfway between the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 and the Marianas Islands. The depression steadily intensified as it tracked to the northwest, and attained typhoon status on July 18. After a brief turn to the north-northeast, the storm changed its motion to the northwest, and made landfall on southeastern Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

 and later on China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 on July 20 about 120 miles (195 km) south of Shanghai
Shanghai
Shanghai is the largest city by population in China and the largest city proper in the world. It is one of the four province-level municipalities in the People's Republic of China, with a total population of over 23 million as of 2010...

. It quickly dissipated. A station in the Ryūkyū Islands
Ryukyu Islands
The , also known as the , is a chain of islands in the western Pacific, on the eastern limit of the East China Sea and to the southwest of the island of Kyushu in Japan. From about 1829 until the mid 20th century, they were alternately called Luchu, Loochoo, or Lewchew, akin to the Mandarin...

 reported a pressure of 997 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa) with light winds. Damage, if any, is unknown.

Typhoon Eight

A tropical depression formed on July 20 while located between the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 and the Marianas Islands. After moving steadily northwestward, the system stalled for two days, and later turned to the north-northeast. The storm intensified into a typhoon shortly before crossing the Ryūkyū Islands
Ryukyu Islands
The , also known as the , is a chain of islands in the western Pacific, on the eastern limit of the East China Sea and to the southwest of the island of Kyushu in Japan. From about 1829 until the mid 20th century, they were alternately called Luchu, Loochoo, or Lewchew, akin to the Mandarin...

, after which it turned sharply westward. Unfavorable conditions encountered the storm, and it rapidly dissipated over the open waters of the East China Sea
East China Sea
The East China Sea is a marginal sea east of China. It is a part of the Pacific Ocean and covers an area of 1,249,000 km² or 750,000 square miles.-Geography:...

 on July 27. A station in Naha, Okinawa
Naha, Okinawa
is the capital city of the Japanese prefecture of Okinawa.Naha is a coastal city located on the East China Sea coast of the southern part of Okinawa Island, the largest of the Ryukyu Islands...

 recorded a pressure of 999 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

, with another station in the Ryūkyū Islands reporting winds of around 20 mph (32 km/h). There was no reported damage.

Typhoon Nine

A well-developed typhoon was first observed on July 22 moving rapidly northward about 700 miles (1125 km) east of Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

. The typhoon turned to the northwest, passing just south of the Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

ese island of Kyūshū
Kyushu
is the third largest island of Japan and most southwesterly of its four main islands. Its alternate ancient names include , , and . The historical regional name is referred to Kyushu and its surrounding islands....

. It turned to the west, crossing the Yellow Sea
Yellow Sea
The Yellow Sea is the name given to the northern part of the East China Sea, which is a marginal sea of the Pacific Ocean. It is located between mainland China and the Korean Peninsula. Its name comes from the sand particles from Gobi Desert sand storms that turn the surface of the water golden...

 and striking the Chinese
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 province of Shandong
Shandong
' is a Province located on the eastern coast of the People's Republic of China. Shandong has played a major role in Chinese history from the beginning of Chinese civilization along the lower reaches of the Yellow River and served as a pivotal cultural and religious site for Taoism, Chinese...

 before dissipating on July 25. A station in the Ryūkyū Islands
Ryukyu Islands
The , also known as the , is a chain of islands in the western Pacific, on the eastern limit of the East China Sea and to the southwest of the island of Kyushu in Japan. From about 1829 until the mid 20th century, they were alternately called Luchu, Loochoo, or Lewchew, akin to the Mandarin...

 recorded a pressure of 997 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa), with a station on Borodino Island reporting winds of about 15 mph (24 km/h). Damage, if any, is unknown.

Typhoon Ten

On July 22 a small typhoon developed a short distance off the coast of Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

. It drifted northwestward, then turned to the northeast, and by July 24 unfavorable conditions caused it to dissipate. A ship sailing between Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

 and Shanghai
Shanghai
Shanghai is the largest city by population in China and the largest city proper in the world. It is one of the four province-level municipalities in the People's Republic of China, with a total population of over 23 million as of 2010...

, China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 reported a pressure of 995 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 and winds of around 35 mph (55 km/h). No reports are available from Taiwan, and damage, if any, is unknown.

Typhoon Eleven

An area of low pressure organized into a tropical depression on July 25 over the open waters of the western Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

. The depression tracked northwestward, and gradually strengthened to attain typhoon status on July 27. After turning to the west, it gradually recurved towards the north and approached northern Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

. Under varying steering currents, the typhoon executed a counterclockwise loop over the country, and exited from the southern coastline after turning eastward. By the morning of August 1, it was located about 250 miles (400 km) east of Taiwan, after which the typhoon accelerated to the northeast. After reaching the Ryūkyū Islands
Ryukyu Islands
The , also known as the , is a chain of islands in the western Pacific, on the eastern limit of the East China Sea and to the southwest of the island of Kyushu in Japan. From about 1829 until the mid 20th century, they were alternately called Luchu, Loochoo, or Lewchew, akin to the Mandarin...

 on August 3, the storm stalled, turned to the northwest for a day, then weakened until dissipating on August 6 to the south of Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 after turning to the east. A station in the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 reported a pressure of 996 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa) in association with the storm, with another station recording winds of 68 mph (110 km/h). Damage, if any, is unknown.

Typhoon Twelve

On July 28, a low pressure area formed into a tropical depression over the Marianas Islands. It tracked to the northwest, and quickly intensified into a typhoon a few hours after developing while located about 250 miles (400 km) south of the Ogasawara Islands
Ogasawara Islands
The Bonin Islands, known in Japan as the are an archipelago of over 30 subtropical and tropical islands, some directly south of Tokyo, Japan. Administratively, they are part of Ogasawara Municipality of Ogasawara Subprefecture, Tokyo...

. After changing its motion to the west, the typhoon turned sharply northward on July 31, followed by a turn to the east-northeast. The storm passed through the Ogasawara Islands on August 2, and halted its forward motion before turning to the northwest. On August 6 the typhoon struck south-central Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 and later the island of Hokkaidō
Hokkaido
, formerly known as Ezo, Yezo, Yeso, or Yesso, is Japan's second largest island; it is also the largest and northernmost of Japan's 47 prefectural-level subdivisions. The Tsugaru Strait separates Hokkaido from Honshu, although the two islands are connected by the underwater railway Seikan Tunnel...

 after turning to the northeast, and it was last observed on August 8 in the open western Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

. A ship passing through the center of the typhoon recorded a pressure of 960 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa) and winds exceeding 55 mph (88 km/h). Damage from the typhoon, if any, is unknown.

Depression Thirteen

A tropical depression formed on September 12 about 300 miles (480 km) south of Guam
Guam
Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

. It moved northwestward without strengthening, and dissipated on September 16 about 600 miles (965 km) east of the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

. The depression never affected land.

Typhoon Fourteen

On September 17 a tropical depression developed in the South China Sea
South China Sea
The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Singapore and Malacca Straits to the Strait of Taiwan of around...

. It tracked westward, and intensified into a typhoon. On September 19, the storm made landfall on Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

 about 150 miles (240 km) northwest of Da Nang
Da Nang
Đà Nẵng , occasionally Danang, is a major port city in the South Central Coast of Vietnam, on the coast of the South China Sea at the mouth of the Han River. It is the commercial and educational center of Central Vietnam; its well-sheltered, easily accessible port and its location on the path of...

, and subsequently dissipated. Meteorological details for the typhoon are unavailable due to the presence of the Pacific Theatre
Pacific War
The Pacific War, also sometimes called the Asia-Pacific War refers broadly to the parts of World War II that took place in the Pacific Ocean, its islands, and in East Asia, then called the Far East...

 of World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

.

Typhoon Fifteen

An area of disturbed weather organized into a tropical depression on September 18 about 250 miles (400 km) west of Guam
Guam
Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

. The depression slowly intensified as it moved generally northwestward, and by September 21 it attained typhoon status while located about east of Aparri
Aparri, Cagayan
Aparri is a 1st class municipality in the province of Cagayan, Luzon, Philippines. According to the latest census, Aparri has a population of 69,024 people.Aparri has an approximate income of Php 90,000,000.00...

 on the Philippine
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 island of Luzon
Luzon
Luzon is the largest island in the Philippines. It is located in the northernmost region of the archipelago, and is also the name for one of the three primary island groups in the country centered on the Island of Luzon...

. Shortly after strengthening into a typhoon, the storm turned to the northeast and paralleled the southern coastline of Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 a short distance offshore. It was last observed on September 24. Effects, if any, are unknown.

Typhoon Sixteen

Atmospheric pressure was relatively low over the South China Sea
South China Sea
The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Singapore and Malacca Straits to the Strait of Taiwan of around...

 during the last week of September, and subsequent to the development of a circulation in an area of disturbed weather, a tropical depression formed on September 27. It quickly strengthened to typhoon status, and made landfall on eastern Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

 just south of Da Nang
Da Nang
Đà Nẵng , occasionally Danang, is a major port city in the South Central Coast of Vietnam, on the coast of the South China Sea at the mouth of the Han River. It is the commercial and educational center of Central Vietnam; its well-sheltered, easily accessible port and its location on the path of...

 on September 30. The storm quickly weakened over land, with only slight traces of the former typhoon by the following day. A station in the northern Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 recorded a pressure of 1000 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa), and a recording station near the location of its final landfall reported winds of about 50 mph (80 km/h). Damage is unknown.

Typhoon Seventeen

On October 3 a tropical depression developed about 500 miles (800 km) south-southeast of Guam
Guam
Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

, likely having originated from a tropical disturbance in the eastern Caroline Islands
Caroline Islands
The Caroline Islands are a widely scattered archipelago of tiny islands in the western Pacific Ocean, to the north of New Guinea. Politically they are divided between the Federated States of Micronesia in the eastern part of the group, and Palau at the extreme western end...

. The system gradually strengthened to typhoon status while it tracked west-northwestward. On October 7 the typhoon turned to the northwest and moved through the southern Luzon Strait
Luzon Strait
The Luzon Strait is the strait between the island country of Taiwan and Luzon island of the Philippines. The strait thereby connects the Philippine Sea to the South China Sea in the western Pacific Ocean....

, passing about 30 miles (48 km) southwest of Basco
Basco, Batanes
Basco is a 5th class municipality in the Batanes Province, Philippines. It is the capital municipality of Batanes...

 in the Filipino
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 province of Batanes
Batanes
The Province of Batanes , also called the Batanes Islands, is a Philippine province comprising ten islands that are located in the Luzon Strait between the islands of Luzon and Taiwan...

 on October 9. Under unfavorable conditions the typhoon steadily weakened over the subsequent days, and dissipated on October 12 over the southern portion of the Taiwan Strait
Taiwan Strait
The Taiwan Strait or Formosa Strait, formerly known as the Black Ditch, is a 180-km-wide strait separating Mainland China and Taiwan. The strait is part of the South China Sea and connects to East China Sea to the northeast...

. The minimum pressure associated with the typhoon was a value of 957 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa) at Basco, where winds exceeding 75 mph (120 km/h) were also recorded. Reportedly damage was minor over northern Luzon
Luzon
Luzon is the largest island in the Philippines. It is located in the northernmost region of the archipelago, and is also the name for one of the three primary island groups in the country centered on the Island of Luzon...

, and no deaths occurred.

Typhoon Eighteen

A tropical depression was first observed on October 7 to the east-northeast of Guam
Guam
Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

. Tracking to the northwest, the depression steadily intensified to attain typhoon status. Several days later, it began to weaken while gradually recurving to the northeast, and on October 13 it became extratropical. A ship on its way to the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 recorded a pressure of 995 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa) along with winds of about 50 mph (80 km/h).

Typhoon Nineteen

On October 10 a tropical depression was first observed about 300 miles (480 km) south of Guam
Guam
Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

. It initially moved west-northwestward, and strengthened into a typhoon on October 11 while briefly changing its motion to the southwest. The next day the typhoon turned to the northwest, and days later turned to the north while located about 150 miles (240 km) east of Bataan Province in the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

. After passing through the Ryūkyū Islands
Ryukyu Islands
The , also known as the , is a chain of islands in the western Pacific, on the eastern limit of the East China Sea and to the southwest of the island of Kyushu in Japan. From about 1829 until the mid 20th century, they were alternately called Luchu, Loochoo, or Lewchew, akin to the Mandarin...

, it weakened as it turned to the northeast and east, and on October 17 it was last observed turning to the southeast over the open Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

. A ship en route to Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

 on October 15 recorded a pressure of 968 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa) and winds of over 75 mph (120 km/h) while located to the east of Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

. The passage of the typhoon caused 33 fatalities in Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

.

Typhoon Twenty

A low pressure area
Low pressure area
A low-pressure area, or "low", is a region where the atmospheric pressure at sea level is below that of surrounding locations. Low-pressure systems form under areas of wind divergence which occur in upper levels of the troposphere. The formation process of a low-pressure area is known as...

 developed into a tropical depression on October 21 about 300 miles (480 km) northwest of Guam
Guam
Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

. After initially moving northwestward, it turned to the north and intensified into a typhoon on October 22. On October 23 it passed near or over the Ogasawara Islands
Ogasawara Islands
The Bonin Islands, known in Japan as the are an archipelago of over 30 subtropical and tropical islands, some directly south of Tokyo, Japan. Administratively, they are part of Ogasawara Municipality of Ogasawara Subprefecture, Tokyo...

, where a recording station reported a pressure of 996 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

. The typhoon was last observed on October 23 accelerating northeastward.

Tropical Storm Twenty-One

On November 4 a tropical disturbance organized into a tropical depression while located about 300 miles (480 km) east of Mindanao
Mindanao
Mindanao is the second largest and easternmost island in the Philippines. It is also the name of one of the three island groups in the country, which consists of the island of Mindanao and smaller surrounding islands. The other two are Luzon and the Visayas. The island of Mindanao is called The...

. It moved quickly to the west-northwest, and struck the Philippine
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 island of Samar
Samar
Samar, formerly and also known as Western Samar, is a province in the Philippines located in the Eastern Visayas region. Its capital is Catbalogan City and covers the western portion of Samar as well as several islands in the Samar Sea located to the west of the mainland...

 without strengthening further. After passing through the archipelago, the storm entered the South China Sea
South China Sea
The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Singapore and Malacca Straits to the Strait of Taiwan of around...

 late on November 5, and gradually weakened until dissipation on November 9 near southwestern Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

. A station in Santa Cruz
Santa Cruz, Laguna
Santa Cruz is a 1st class urban municipality in the province of Laguna, Philippines. It is also the capital town of the province of Laguna. According to the latest census, it has a population of 101,914 people in 19,627 households and with a growth rate of 1.37%)...

 in Laguna province recorded a pressure of 997 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa), with at least one station in the Philippines reporting tropical storm force winds. Reports from the country indicate it was potentially a typhoon, though meteorologists decided it was not due to relatively high pressures and lack of significant convection to the southwest of the center. Damage, if any, is unknown.

Depression Twenty-Two

A tropical depression formed on November 6 about 500 miles (800 km) east of Mindanao
Mindanao
Mindanao is the second largest and easternmost island in the Philippines. It is also the name of one of the three island groups in the country, which consists of the island of Mindanao and smaller surrounding islands. The other two are Luzon and the Visayas. The island of Mindanao is called The...

. It initially moved to the west-northwest, and gradually recurved to the northeast. After accelerating east-northeastward, the depression was last observed on November 13 as a remnant low pressure area over the open western Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

. It is unknown if it strengthened into a tropical storm.

Typhoon Twenty-Three

On November 18 a tropical depression was first observed to the east of Mindanao
Mindanao
Mindanao is the second largest and easternmost island in the Philippines. It is also the name of one of the three island groups in the country, which consists of the island of Mindanao and smaller surrounding islands. The other two are Luzon and the Visayas. The island of Mindanao is called The...

. The depression steadily intensified as it tracked west-northwestward, and intensified into a typhoon before striking Samar Island
Samar Island
Samar is an island in the Visayas, within the central Philippines. The island is divided into three provinces: Samar province, Northern Samar, and Eastern Samar. These three provinces, along with the provinces on the nearby islands of Leyte and Biliran are part of the Eastern Visayas region...

 and Leyte Island
Leyte Island
Leyte is an island in the Visayas group of the Philippines.The island measures about 180 km north-south and about 65 km at its widest point. In the north it nearly joins Samar, separated by the San Juanico Strait, which becomes as narrow as 2 km in some places...

 on November 19. It continued westward until reaching the western region of the South China Sea
South China Sea
The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Singapore and Malacca Straits to the Strait of Taiwan of around...

 on November 22. An approaching cold front
Surface weather analysis
Surface weather analysis is a special type of weather map that provides a view of weather elements over a geographical area at a specified time based on information from ground-based weather stations...

 turned the typhoon to the northeast, resulting in a rare occurrence of a typhoon recurving northeastward in the western portion of the South China Sea. On November 24 the typhoon passed over Macau
Macau
Macau , also spelled Macao , is, along with Hong Kong, one of the two special administrative regions of the People's Republic of China...

, and two hours later the eye
Eye (cyclone)
The eye is a region of mostly calm weather found at the center of strong tropical cyclones. The eye of a storm is a roughly circular area and typically 30–65 km in diameter. It is surrounded by the eyewall, a ring of towering thunderstorms where the second most severe weather of a cyclone...

 crossed directly over Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

. The calm of the center of the eye lasted for fifteen minutes at the Hong Kong Observatory
Hong Kong Observatory
Hong Kong Observatory is a department of the Hong Kong government. The Observatory forecasts weather and issues warnings on weather-related hazards...

, the first time on record that the calm of a typhoon was recorded there. The typhoon began to become extratropical after making landfall, and continued northeastward through southern China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

. It gradually weakened while passing through the Taiwan Strait
Taiwan Strait
The Taiwan Strait or Formosa Strait, formerly known as the Black Ditch, is a 180-km-wide strait separating Mainland China and Taiwan. The strait is part of the South China Sea and connects to East China Sea to the northeast...

 and possibly over Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

 before dissipating on November 26.

While crossing over the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

, a station in Capiz
Capiz
Capiz is a province of the Philippines located in the Western Visayas region. Its capital is Roxas City and is located at the northeastern portion of Panay Island, bordering Aklan and Antique to the west, and Iloilo to the south. Capiz faces the Sibuyan Sea to the north...

 on Panay Island
Panay Island
Panay is an island in the Philippines located in the western part of the Visayas. Politically, it is divided into five provinces: Aklan, Antique, Capiz, and Iloilo, all in the Western Visayas Region. It is located southeast of the island of Mindoro and northwest of Negros, separated by the...

 recorded a pressure of 981 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa) as well as winds in excess of 55 mph (88 km/h). The passage of the typhoon sunk a motor boat on Masbate
Masbate
Masbate is an island province of the Philippines located in the Bicol Region. Its capital is Masbate City and consists of three major islands: Masbate, Ticao and Burias.-History:...

 island, killing 48 of the 50 occupants aboard. One person was reported missing and presumed dead in Balangiga
Balangiga, Eastern Samar
Balangiga is a 5th class municipality in the province of Eastern Samar, Philippines. As of the 2000 census, it had a population of 10,662 people in 2,113 households....

 in Eastern Samar
Eastern Samar
Eastern Samar is a province of the Philippines located in the Eastern Visayas region. Its capital is the city of Borongan.-Location:...

, believed to be caused by drowning. Property damage was great in Samar, Leyte, and Capiz provinces. In Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

, wind gusts reached 74 mph (119 km/h) during a rainband
Rainband
A rainband is a cloud and precipitation structure associated with an area of rainfall which is significantly elongated. Rainbands can be stratiform or convective, and are generated by differences in temperature. When noted on weather radar imagery, this precipitation elongation is referred to as...

 ahead of the storm. Rainfall began seven hours before the arrival of the typhoon, and amounted to roughly 4.27 inches (108 mm). The heaviest rainfall occurred in rainbands ahead of the typhoon, with about 1.6 inches (40 mm) falling during a 1-hour time period. The lowest pressure recorded in Hong Kong was about 989 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa) while the typhoon was passing through the area. Damage was minor in Hong Kong.

Tropical Depression Twenty-Four

On November 22 a tropical depression formed to the east of Mindanao
Mindanao
Mindanao is the second largest and easternmost island in the Philippines. It is also the name of one of the three island groups in the country, which consists of the island of Mindanao and smaller surrounding islands. The other two are Luzon and the Visayas. The island of Mindanao is called The...

, and subsequently tracked to the northwest. Days later it stalled while located about 250 miles (400 km) east of Samar Island
Samar Island
Samar is an island in the Visayas, within the central Philippines. The island is divided into three provinces: Samar province, Northern Samar, and Eastern Samar. These three provinces, along with the provinces on the nearby islands of Leyte and Biliran are part of the Eastern Visayas region...

, and gradually weakened. Cold air intruded the circulation on November 25, and two days later it became extratropical
Extratropical cyclone
Extratropical cyclones, sometimes called mid-latitude cyclones or wave cyclones, are a group of cyclones defined as synoptic scale low pressure weather systems that occur in the middle latitudes of the Earth having neither tropical nor polar characteristics, and are connected with fronts and...

.

Typhoon Twenty-Five

A well-developed typhoon was first observed on November 29 while located about 150 miles (240 km) south of Yap
Yap
Yap, also known as Wa'ab by locals, is an island in the Caroline Islands of the western Pacific Ocean. It is a state of the Federated States of Micronesia. Yap's indigenous cultures and traditions are still strong compared to other neighboring islands. The island of Yap actually consists of four...

. It moved to the northwest, and struck Samar Island
Samar Island
Samar is an island in the Visayas, within the central Philippines. The island is divided into three provinces: Samar province, Northern Samar, and Eastern Samar. These three provinces, along with the provinces on the nearby islands of Leyte and Biliran are part of the Eastern Visayas region...

 on December 2. The typhoon continued northwestward through the archipelago, and gradually weakened while drifting through the South China Sea
South China Sea
The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Singapore and Malacca Straits to the Strait of Taiwan of around...

. It turned to the northeast, and dissipated on December 5 off the coast of northern Luzon
Luzon
Luzon is the largest island in the Philippines. It is located in the northernmost region of the archipelago, and is also the name for one of the three primary island groups in the country centered on the Island of Luzon...

. The typhoon produced heavy rainfall and strong winds along its path through the Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

. Rivers throughout Masbate
Masbate
Masbate is an island province of the Philippines located in the Bicol Region. Its capital is Masbate City and consists of three major islands: Masbate, Ticao and Burias.-History:...

 island were overflown from the abundant rainfall, causing 34 fatalities on the island. A station on Samar Island recorded a barometric minimum of 975 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa).

Typhoon Twenty-Six

An area of disturbed weather organized into a tropical depression on December 5 about 200 miles (320 km) southwest of Guam
Guam
Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

. After moving west-northwestward for several days, it turned to the northeast on December 9, during which it attained typhoon status. The typhoon maintained peak winds for about two days before quickly weakening to a remnant area of low pressure on December 11. A ship in the vicinity of the cyclone reported a minimum pressure of 952 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

.

Typhoon Twenty-Seven

On December 16, a low pressure area
Low pressure area
A low-pressure area, or "low", is a region where the atmospheric pressure at sea level is below that of surrounding locations. Low-pressure systems form under areas of wind divergence which occur in upper levels of the troposphere. The formation process of a low-pressure area is known as...

 quickly organized into a typhoon about 350 miles (565 km) east of Surigao
Surigao del Norte
Surigao del Norte is a province of the Philippines located in the Caraga region in Mindanao. Its capital is Surigao City. The province consists of two major islands—Siargao Island and Bucas Grande Island—in the Philippine Sea, and a small region at the northernmost tip of the island of...

. It moved quickly to the northwest at speeds of about 30 mph (48 km/h), faster than all but one previously known typhoon. The storm struck southeastern Luzon
Luzon
Luzon is the largest island in the Philippines. It is located in the northernmost region of the archipelago, and is also the name for one of the three primary island groups in the country centered on the Island of Luzon...

 and turned to the north and north-northeast. After passing near Manila
Manila
Manila is the capital of the Philippines. It is one of the sixteen cities forming Metro Manila.Manila is located on the eastern shores of Manila Bay and is bordered by Navotas and Caloocan to the north, Quezon City to the northeast, San Juan and Mandaluyong to the east, Makati on the southeast,...

 it reached open waters on December 20. For the following two days, it drifted eastward, possibly executing a loop, and after accelerating to the northeast it was last observed on December 24. A station at Sorsogon
Sorsogon
Sorsogon is a province of the Philippines located in the Bicol Region; it is the southernmost province in Luzon and is subdivided into fourteen municipalities and one city. Its capital is Sorsogon City and borders the province of Albay to the north...

 recorded a pressure of 998 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

. While passing through the northern Philippines
Philippines
The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

, the typhoon produced heavy rainfall, killing 19 on Masbate
Masbate
Masbate is an island province of the Philippines located in the Bicol Region. Its capital is Masbate City and consists of three major islands: Masbate, Ticao and Burias.-History:...

 and 14 in northern Luzon.

Typhoon Twenty-Eight

The final typhoon of the season was first observed on December 22 about 225 miles (360 km) south of Guam
Guam
Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

. It initially moved to the northwest, and on December 24 the typhoon turned to the east-northeast. It steadily weakened, and was last observed on December 26 accelerating out to sea. The typhoon produced heavy rainfall and winds of around 50 mph (80 km/h) on Guam. The minimum pressure associated with the typhoon was a ship report of 995 mbar
Bar (unit)
The bar is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level. Other units derived from the bar are the megabar , kilobar , decibar , centibar , and millibar...

 (hPa).

See also

  • 1925-1949 Pacific hurricane seasons
    1925-1949 Pacific hurricane seasons
    The 1925–1949 Pacific hurricane seasons all began during late spring in the northeast Pacific Ocean and the central Pacific. They ended in late fall.Before the satellite age started in the 1960s, data on east Pacific hurricanes is extremely unreliable...

  • 1939 Atlantic hurricane season
    1939 Atlantic hurricane season
    The 1939 Atlantic hurricane season officially began on June 16, 1939, and lasted until October 31, 1939. These dates mark the period of each year when most tropical cyclones form in the Atlantic basin...


  • Bernard Doucette
    Bernard Doucette
    Bernard F. Doucette was a meteorologist, whose contributions included his observations of the 1939 Pacific typhoon season.He became one of the scholastics at the Manila Observatory , returning there later ....

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