1983 North Indian Ocean cyclone season

The 1983 North Indian Ocean cyclone season was part of the annual cycle of tropical cyclone formation. 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.[1] Cyclones occurring between the meridians 45°E and 100°E are included in the season by the IMD.[2]

1983 North Indian Ocean cyclone season
Season summary map
Seasonal boundaries
First system formedAugust 8, 1983
Last system dissipatedNovember 9, 1983
Seasonal statistics
Depressions7
Deep depressions4
Cyclonic storms2
Severe cyclonic storms1
Very severe cyclonic storms1
Extremely severe cyclonic storms1
Total fatalitiesUnknown
Total damageUnknown
Related articles

Systems

Tropical Storm Aurora (1A)
Deep depression (IMD)
Tropical storm (SSHWS)
 
DurationAugust 4 – August 10
Peak intensity55 km/h (35 mph) (3-min)  985 hPa (mbar)

On August 9 a tropical depression developed in the northwest Arabian Sea. It tracked westward, becoming a tropical storm later that day. Aurora reached a peak of 50 mph winds before hitting eastern Oman on the 10th, where it dissipated shortly thereafter. The system was unofficially named as Aurora by the JTWC.[3]

On Masirah Island, the storm dropped 46 mm (1.8 in) of rainfall.[4]

Tropical Storm Two (2B)
Tropical storm (SSHWS)
 
DurationOctober 1 – October 4
Peak intensity95 km/h (60 mph) (1-min)  990 hPa (mbar)

Tropical Storm Two, which began its life on October 1 in the central Bay of Bengal, hit northeastern India on the 3rd as a 60 mph tropical storm, dissipating the next day.

Tropical Depression Kim (16W)
Main article: Tropical Storm Kim (1983)
Tropical depression (SSHWS)
 
DurationOctober 18 (entered basin) – October 20
Peak intensity55 km/h (35 mph) (1-min)  994 hPa (mbar)

The remnants of Western Pacific Tropical Storm Kim redeveloped in the northeastern Bay of Bengal near Myanmar. It paralleled the coastline, hit western Myanmar, and dissipated on the 20th.

Tropical Storm Three (3B)
Extremely severe cyclonic storm (IMD)
Tropical storm (SSHWS)
 
DurationNovember 5 – November 9
Peak intensity165 km/h (105 mph) (3-min)  980 hPa (mbar)

65 mph Tropical Storm Three, which developed on November 5 in the central Bay of Bengal, hit southeastern Bangladesh on the 9th. The storm quickly dissipated without causing any reported damage.

See also

References
  1. "Frequently Asked Questions: What is the annual frequency of Cyclones over the Indian Seas? What is its intra-annual variation?". Indian Meteorological Department. 2012. Archived from the original on May 21, 2015. Retrieved June 8, 2012.
  2. "Bulletins Issued by Regional Specialized Meteorological Centre (RSMC) – Tropical Cyclones, New Delhi" (PDF). India Meteorological Department. May 25, 2009. Archived from the original (PDF) on 2012-04-12. Retrieved July 16, 2012.
  3. https://www.usno.navy.mil/NOOC/nmfc-ph/RSS/jtwc/atcr/1983atcr.pdf
  4. Ghazanfar, S. A.; Fisher, M. (2013-04-17). Vegetation of the Arabian Peninsula. ISBN 9789401736374.
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