Timeline of the 2009 North Indian Ocean cyclone season
Encyclopedia
This is a timeline of the 2009 North Indian Ocean cyclone season
, which contains details of when a depression forms, strengthens, weakens, makes landfalls, and dissipates during the 2009 North Indian Ocean cyclone season. It also includes information from post-storm analysis by the Joint Typhoon Warning Center
(JTWC), and the India Meteorological Department
(IMD) who run the Regional Specialized Meteorological Center
in New Delhi
, India
. RSMC New Delhi's area of responsibility is officially between 45°E and 100E which is east of the Horn of Africa and west of the Malay Peninsula. There are two main seas within the North Indian ocean, the Arabian Sea
and the Bay of Bengal
. For storms, these are abbreviated as BOB and ARB by the IMD.
So far this season there have been four depressions that have formed; three in the Bay of Bengal and one in the Arabian Sea. Three of the depressions have intensified further with two becoming cyclonic storms with the names Bijli and Aila being assigned to them, whilst the other depression became a Deep Depression. Aila intensified further and peaked as a Severe Cyclonic Storm.
April 15
April 17
May 24
May 25
May 26
June 24
June 25
June 26
July 21
November 10
November 11
November 12
December 11
December 12
December 14
2009 North Indian Ocean cyclone season
The 2009 North Indian Ocean cyclone season was an event in the annual cycle of tropical cyclone formation. The North Indian Ocean cyclone season has no official bounds, but cyclones tend to form between April and December, with peaks in May and November...
, which contains details of when a depression forms, strengthens, weakens, makes landfalls, and dissipates during the 2009 North Indian Ocean cyclone season. It also includes information from post-storm analysis by the Joint Typhoon Warning Center
Joint 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...
(JTWC), and the India Meteorological Department
India Meteorological Department
The India Meteorological Department , also referred to as the Met Office, is an agency of the Ministry of Earth Sciences of the Government of India. It is the principal agency responsible for meteorological observations, weather forecasting and seismology...
(IMD) who run the Regional Specialized Meteorological Center
Regional Specialized Meteorological Center
A Regional Specialized Meteorological Centre is responsible for the distribution of information, advisories, and warnings regarding the specific program they have a part of, agreed by consensus at the World Meteorological Organization as part of the World Weather Watch.-Tropical...
in New Delhi
New Delhi
New Delhi is the capital city of India. It serves as the centre of the Government of India and the Government of the National Capital Territory of Delhi. New Delhi is situated within the metropolis of Delhi. It is one of the nine districts of Delhi Union Territory. The total area of the city is...
, India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...
. RSMC New Delhi's area of responsibility is officially between 45°E and 100E which is east of the Horn of Africa and west of the Malay Peninsula. There are two main seas within the North Indian ocean, the Arabian Sea
Arabian Sea
The Arabian Sea is a region of the Indian Ocean bounded on the east by India, on the north by Pakistan and Iran, on the west by the Arabian Peninsula, on the south, approximately, by a line between Cape Guardafui in northeastern Somalia and Kanyakumari in India...
and the Bay of Bengal
Bay of Bengal
The Bay of Bengal , the largest bay in the world, forms the northeastern part of the Indian Ocean. It resembles a triangle in shape, and is bordered mostly by the Eastern Coast of India, southern coast of Bangladesh and Sri Lanka to the west and Burma and the Andaman and Nicobar Islands to the...
. For storms, these are abbreviated as BOB and ARB by the IMD.
So far this season there have been four depressions that have formed; three in the Bay of Bengal and one in the Arabian Sea. Three of the depressions have intensified further with two becoming cyclonic storms with the names Bijli and Aila being assigned to them, whilst the other depression became a Deep Depression. Aila intensified further and peaked as a Severe Cyclonic Storm.
April
April 14- 0900 UTC (1430 IST) - The IMD reports that Depression BOB01, has formed over the southeast Bay of Bengal.
April 15
- 0600 UTC (1130 IST) - The IMD reports that Depression BOB01 has intensified into a deep depression.
- 1200 UTC (1730 IST) - The IMD reports that Deep Depression BOB01 has intensified into a Cyclonic Storm and names it as Bijli.
April 17
- 0900 UTC (1430 IST) - The IMD reports that Cyclonic Storm Bijli has weakened into a deep depression.
- 1200 UTC (1730 IST) - The IMD reports that Deep Depression Bijli has weakened into a depression.
- 1800 UTC (2330 IST) - The IMD reports that Depression Bijli, has made landfall near ChittagongChittagongChittagong ) is a city in southeastern Bangladesh and the capital of an eponymous district and division. Built on the banks of the Karnaphuli River, the city is home to Bangladesh's busiest seaport and has a population of over 4.5 million, making it the second largest city in the country.A trading...
, BangladeshBangladeshBangladesh , officially the People's Republic of Bangladesh is a sovereign state located in South Asia. It is bordered by India on all sides except for a small border with Burma to the far southeast and by the Bay of Bengal to the south...
. - 1800 UTC (2330 IST) - The IMD reports that Depression Bijli, has weakened into a well marked low pressure area and issues its final advisory.
May
May 23- 0600 UTC (1130 IST) - The IMD reports that Depression BOB02, has formed over the western Bay of Bengal.
May 24
- 0300 UTC (0830 IST) - The IMD reports that Depression BOB02 to a deep depression.
- 1200 UTC (1730 IST) - The IMD reports that Deep Depression BOB02 to a Cyclonic Storm and names it as Aila.
May 25
- 0600 UTC (1130 IST) - The IMD reports that Cyclonic Storm Aila has intensified to a Severe Cyclonic Storm.
- 0900 UTC (1430 IST) - The IMD reports that Severe Cyclonic Storm Aila has made landfall near Sagar Island, in India.
- 1500 UTC (2030 IST) - The IMD reports that Severe Cyclonic Storm Aila has weakened into a cyclonic storm.
May 26
- 0300 UTC (0830 IST) - The IMD reports that Cyclonic Storm Aila has weakened into a deep depression.
- 0600 UTC (1130 IST) - The IMD reports that Deep Depression Aila has weakened into a depression.
- 0900 UTC (1430 IST) - The IMD reports that Depression Aila has weakened into a well marked low pressure area.
June
June 23- 0000 UTC (0530 IST) - The IMD reports that Depression ARB01 has formed over the central Arabian Sea to the west of Mumbai, India.
- 1500 UTC (2030 IST) - The IMD reports that Depression ARB01 has made its first landfall on the south Gujarat coast.
June 24
- 0300 UTC (0830 IST) - The IMD reports that Depression ARB01 to a well marked low pressure area and issues its final advisory.
June 25
- 0900 UTC (1430 IST) - The IMD reports that Depression ARB01 has emerged into the northeast Arabian Sea and regenerated.
June 26
- 0000 UTC (0530 IST) - The IMD reports that Depression ARB01-2009 has weakened into an area of low pressure.
July
July 20- 0300 UTC (0830 IST) - The IMD reports that Depression BOB03 has formed in the northwest Bay of Bengal.
- 1200 UTC (1730 IST) - The IMD reports that Depression BOB03 has intensified into a deep depression.
- c1600-1700 UTC (2130-2230 IST) - Deep Depression BOB03 makes landfall between Balasore and Digha.
July 21
- 0600 UTC (1030 IST) - The IMD reports that Deep Depression BOB03 has weakened into a Depression.
- 1100 UTC (1430 IST) - The IMD reports that Depression BOB03 has weakened into a low pressure area, and issues their final advisory.
November
November 9- 0900 UTC (1430 IST) - The IMD designates a low pressure area west of Amini Divi, India as Depression ARB03-2009.
November 10
- 0300 UTC (0830 IST) - The IMD upgrades Depression ARB03-2009 to a deep depression.
- 1800 UTC (2330 IST) - The IMD upgrades Deep Depression ARB03 to a Cyclonic Storm and names it as Phyan.
November 11
- c1030 UTC (1600 IST) - Cyclonic Storm Phyan makes landfall in Maharashtra between Alibagh and Mumbai
- 1200 UTC (1730 IST) - The IMD downgrades Cyclonic Storm Phyan to a deep depression.
- 1800 UTC (2330 IST) - The IMD downgrades Deep Depression, Former Phyan to a depression.
November 12
- 0000 UTC (0530 IST) - The IMD downgrades Depression, Former Phyan to a well marked low pressure area and issues its final bulletin on the system.
December
December 10- 0900 UTC (1430 IST) - IMD indicates that Depression BOB05-2009 has formed over southwest and adjoining southeast Bay of Bengal.
December 11
- 0000 UTC (0530 IST) - The IMD upgrades Depression BOB05-2009 to a deep depression.
- 0900 UTC (1430 IST) - The IMD upgrades Deep Depression BOB05 to a cyclonic storm and names it Ward.
December 12
- 1800 UTC (2330 IST) - The IMD downgrades Cyclonic Storm Ward to a deep depression.
December 14
- c0800-0900 UTC (1330-1430 IST) - Deep Depression, Former Ward makes landfall over Sri Lanka coast near Trincomalee.
- 0900 UTC (1430 IST) - IMD downgrades Deep Depression, Former Ward to a depression.
See also
- 2009 North Indian Ocean cyclone season2009 North Indian Ocean cyclone seasonThe 2009 North Indian Ocean cyclone season was an event in the annual cycle of tropical cyclone formation. The North Indian Ocean cyclone season has no official bounds, but cyclones tend to form between April and December, with peaks in May and November...
- List of North Indian Ocean cyclone seasons
- Timeline of the 2009 Atlantic hurricane seasonTimeline of the 2009 Atlantic hurricane seasonThe 2009 Atlantic hurricane season was a below-average year in which nine tropical storms formed, the fewest since 1997.An average season has eleven tropical storms, six hurricanes and two major hurricanes. Although Tropical Depression One formed on May 28, 2009, the season officially began on...
- Timeline of the 2009 Pacific hurricane seasonTimeline of the 2009 Pacific hurricane seasonBelow is the Timeline of the 2009 Pacific hurricane season, documenting all the storm formations, strengthening, weakening, landfalls, extratropical transitions, as well as dissipation. The 2009 Pacific hurricane season officially began on May 15, 2009, and will last until November 30. For...
- Timeline of the 2009 Pacific typhoon seasonTimeline of the 2009 Pacific typhoon seasonThis timeline documents all of the events of the 2009 Pacific typhoon season which was the period that tropical cyclones formed in the Western Pacific Ocean during 2009, with most of the tropical cyclones forming between May and November. The scope of this article is limited to the Pacific Ocean,...
- Timeline of the 2008-09 South-West Indian Ocean cyclone season
- Timeline of the 2008-09 South Pacific cyclone season
- Timeline of the 2008-09 Australian region cyclone season