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1987 North Indian Ocean cyclone season

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Field	Value
Basin	NIO
Year	1987
Track	1987 North Indian Ocean cyclone season summary.jpg
First storm formed	January 30, 1987
Last storm dissipated	December 23, 1987
Strongest storm name	One
Strongest storm pressure	970
Strongest storm winds	75
Average wind speed	3
Total disturbances	9
Total depressions	6
Total storms	8
five seasons	[1985](1985-north-indian-ocean-cyclone-season), [1986](1986-north-indian-ocean-cyclone-season), 1987, [1988](1988-north-indian-ocean-cyclone-season), [1989](1989-north-indian-ocean-cyclone-season)
Atlantic season	1987 Atlantic hurricane season
East Pacific season	1987 Pacific hurricane season
West Pacific season	1987 Pacific typhoon season

The 1987 North Indian Ocean cyclone season was at the time, the most active cyclone season on record, taking the record from 1975 until it was beaten out 5 years later. The season has no official bounds but cyclones tend to form between April and December. These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean. There are two main seas in the North Indian Ocean—the Bay of Bengal to the east of the Indian subcontinent and the Arabian Sea to the west of India. The official Regional Specialized Meteorological Centre in this basin is the India Meteorological Department (IMD), while the Joint Typhoon Warning Center (JTWC) releases unofficial advisories. An average of five tropical cyclones form in the North Indian Ocean every season with peaks in May and November. Cyclones occurring between the meridians 45°E and 100°E are included in the season by the IMD.

Systems

Very Severe Cyclonic Storm One (01B)

|3-min winds=75 |1-min winds=55 Tropical Storm One, which developed in the central Bay of Bengal on January 30, turned to the north and reached a peak of 65 mph winds on the 2nd. Vertical shear weakened it to a tropical depression before it hit northern Myanmar on the 4th.

Cyclonic Storm Two (02B)

|3-min winds=45 |1-min winds=55 On June 4 65 mph Tropical Storm Two hit Bangladesh, causing little damage or loss of life.

Cyclonic Storm Three (04B)

|3-min winds=45 |1-min winds=45 A monsoon depression became more tropical on October 14 in the Bay of Bengal. It traveled northwestward, becoming a tropical storm on the 15th and hitting southeastern India as a 50 mph storm that night. It rapidly dissipated over land.

Severe Cyclonic Storm Four (05B)

|3-min winds=55 |1-min winds=55 65 mph Tropical Storm Five, which developed on October 30 in the Bay of Bengal, made landfall at Nellore on the 2nd, dissipating shortly thereafter. 50 people and 26,000 cattle were reported to be died and 700,000 people were affected by the storm.

Severe Cyclonic Storm Five (06B)

|3-min winds=55 |1-min winds=50 The monsoon trough spawned a tropical depression on November 8 in the southeastern Bay of Bengal. It tracked northward, then turned westward, strengthening to a 60 mph tropical storm before hitting eastern India on the 12th.

Tropical Storm Seven (7A)

Tropical Storm Seven, which developed in the western Bay of Bengal on December 2, strengthened in the eastern Arabian Sea to a 50 mph storm. It turned to the northeast, where upper-level winds weakened it to a tropical depression. The depression hit western India, 90 miles south of Bombay, on the 12th, and dissipated the next day without causing any damage.

Deep Depression Six (08B)

|3-min winds=30 |1-min winds=35 The eighth and final storm of the season formed on December 17 northeast of Sri Lanka. It moved westward, and executed an elongated loop lasting 4 days. It briefly reached tropical storm strength before vertical shear weakened it again, and the system hit eastern India on the 23rd.

Other systems

During the season, the JTWC monitored two systems which were not recognized as tropical cyclones by the IMD.

Tropical Storm 03B: June 4-16
Tropical Storm 07B: December 2-13

References

(2012). "Frequently Asked Questions: What is the annual frequency of Cyclones over the Indian Seas? What is its intra-annual variation?". India Meteorological Department.
(May 25, 2009). "Bulletins Issued by Regional Specialized Meteorological Centre (RSMC) – Tropical Cyclones, New Delhi". India Meteorological Department.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

1987-north-indian-ocean-cyclone-season tropical-cyclones-in-1987

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