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Typhoon Koryn (1993)
Encyclopedia
Super Typhoon Koryn was the third named storm, first typhoon and super typhoon of the 1993 Pacific typhoon season
. Koryn formed on June 13 and reached super typhoon status on June 26 with winds at 150 mph (240 km/h) and a barometric pressure of 910 millibars. A powerful super typhoon, Koryn caused serious damage across the Caroline Islands
, Philippines
, and People's Republic of China
, leaving 37 people dead and $14 million dollars (1993 USD
).
on June 15 and moved northward and then westward where it continued to strengthen and became Tropical Storm Koryn on June 17. On June 23, satellite photos revealed a 10 miles (16.1 km) diameter eye forming in the developing storm and winds of 75 mph (120 km/h) were also detected, prompting forecasters to upgrade Koryn to typhoon status. The next day, Koryn rapidly intensified to become the first super typhoon of the season with winds of 140 mph (225 km/h) and a minimal pressure of 910 millibars. The rapid intensification occurred within a 23 hour period. After making landfall in the northern Philippines on June 26, Koryn entered the South China Sea
as a Category 2 typhoon. Moving at 30 km/h, the storm made landfall near Hong Kong
and weakened into a strong tropical storm. After landfall, the storm dissipated on June 28.
issued a tropical storm warning for the Caroline Islands
as Tropical Depression 6W formed. In China, officials began to issue gale warnings as the typhoon was 220 miles (354.1 km) from making landfall. Reports of evacuations from the Philippines before the storm are unavailable.
, an island in the Caroline Islands
, it brought 5.53 inches (140 mm) of rain and 70 mph (112 km/h) winds. There were no reports of fatalities or injuries and minimal roof and crop damage was the only damage. In the Philippines, the storm caused extensive landslides that left 28-51 people dead, injuring 109 others and left $14 million dollars (1993 USD) in damage. The Philippine government declared 16 provinces disaster areas after the storm. In China, a weather station in Hong Kong recorded winds up to 70 mph (112 km/h) and a high rainfall total of 29.1 inches (73 cm). Kroyn also brought a storm tide of 2–3 meters above normal along the coast of China. Damage in China was severe. In Guangdong
, winds of at least tropical storm force and heavy rains damaged crops, destroyed or severely damaged over 378,000 homes and buildings which affected over 5.3 million people. In Macau
, the storm caused extensive flooding which forced over 600 people to seek shelter. High winds also force a highway bridge to close. Total damage in China was over 1.2 billion RMB.
1993 Pacific typhoon season
On July 29, PAGASA initiated advisories on a poorly organised tropical depression. The depression moved slowly towards the north-west before it dissipated during the next day.-Typhoon Robyn :...
. Koryn formed on June 13 and reached super typhoon status on June 26 with winds at 150 mph (240 km/h) and a barometric pressure of 910 millibars. A powerful super typhoon, Koryn caused serious damage across the 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...
, 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 People's Republic of China
People's Republic of China
China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...
, leaving 37 people dead and $14 million dollars (1993 USD
United States dollar
The United States dollar , also referred to as the American dollar, is the official currency of the United States of America. It is divided into 100 smaller units called cents or pennies....
).
Meteorological history
An area of low pressure formed near the Caroline IslandsCaroline 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...
on June 15 and moved northward and then westward where it continued to strengthen and became Tropical Storm Koryn on June 17. On June 23, satellite photos revealed a 10 miles (16.1 km) diameter eye forming in the developing storm and winds of 75 mph (120 km/h) were also detected, prompting forecasters to upgrade Koryn to typhoon status. The next day, Koryn rapidly intensified to become the first super typhoon of the season with winds of 140 mph (225 km/h) and a minimal pressure of 910 millibars. The rapid intensification occurred within a 23 hour period. After making landfall in the northern Philippines on June 26, Koryn 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...
as a Category 2 typhoon. Moving at 30 km/h, the storm made landfall near 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 weakened into a strong tropical storm. After landfall, the storm dissipated on June 28.
Preparations
Officials at the Joint Typhoon Warning CenterJoint Typhoon Warning Center
The Joint Typhoon Warning Center is a joint United States Navy – United States Air Force task force located at the Naval Maritime Forecast Center in Pearl Harbor, Hawaii...
issued a tropical storm warning for the 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...
as Tropical Depression 6W formed. In China, officials began to issue gale warnings as the typhoon was 220 miles (354.1 km) from making landfall. Reports of evacuations from the Philippines before the storm are unavailable.
Impact
When Koryn passed over UlithiUlithi
Ulithi is an atoll in the Caroline Islands of the western Pacific Ocean, about 191 km east of Yap. It consists of 40 islets totalling , surrounding a lagoon about long and up to wide—at one of the largest in the world. It is administered by the state of Yap in the Federated States of...
, an island in the 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...
, it brought 5.53 inches (140 mm) of rain and 70 mph (112 km/h) winds. There were no reports of fatalities or injuries and minimal roof and crop damage was the only damage. In the Philippines, the storm caused extensive landslides that left 28-51 people dead, injuring 109 others and left $14 million dollars (1993 USD) in damage. The Philippine government declared 16 provinces disaster areas after the storm. In China, a weather station in Hong Kong recorded winds up to 70 mph (112 km/h) and a high rainfall total of 29.1 inches (73 cm). Kroyn also brought a storm tide of 2–3 meters above normal along the coast of China. Damage in China was severe. In Guangdong
Guangdong
Guangdong is a province on the South China Sea coast of the People's Republic of China. The province was previously often written with the alternative English name Kwangtung Province...
, winds of at least tropical storm force and heavy rains damaged crops, destroyed or severely damaged over 378,000 homes and buildings which affected over 5.3 million people. In 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...
, the storm caused extensive flooding which forced over 600 people to seek shelter. High winds also force a highway bridge to close. Total damage in China was over 1.2 billion RMB.