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2008 North Indian Ocean cyclone season

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2008 North Indian Ocean cyclone season
Seasonal boundaries
First system formedApril 27, 2008
Last system dissipatedSeason Currently Active
Strongest storm
NameNargis
 • Maximum winds165 km/h (105 mph)
(3-minute sustained)
 • Lowest pressure962 hPa (mbar)
Seasonal statistics
Deep depressions4
Cyclonic storms1
Severe cyclonic storms1
Total fatalitiesat least 140,000
Total damage~ $10 billion (2008 USD)
North Indian Ocean tropical cyclone seasons
2006, 2007, 2008, Post-2008

The 2008 North Indian cyclone season is an ongoing event in the annual cycle of tropical cyclone formation. The North Indian cyclone season has no official bounds, but cyclones tend to form between April and December, with peaks in May and November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean.

The scope of this basin is north of the Equator and west of the Malaysian Peninsula. The IMD and JTWC monitor tropical cyclones in this basin. This basin is divided into two different seas by India; the Arabian Sea to the west, abbreviated ARB by the IMD, and the Bay of Bengal to the east, abbreviated BOB by the IMD. On average, about 4 to 6 storms form in this basin every season.

Storms

Very Severe Cyclonic Storm Nargis

Extremely severe cyclonic storm (IMD)
Category 4 tropical cyclone (SSHWS)
 
DurationApril 27 – May 3
Peak intensity165 km/h (105 mph) (3-min);
962 hPa (mbar)
Main article: Cyclone Nargis

An area of disturbed weather formed east of the Nicobar Islands on April 24. It slowly started moving in a northwesterly direction into an area of low vertical wind shear. The JTWC started issuing statements on the system on April 25.[1] On April 27, the Indian Meteorological Department upgraded it to a depression,[2] and the next day it was upgraded to Cyclonic Storm Nargis.[3] A few hours later it was upgraded to a Severe Cyclonic Storm.[4] The next day it was given the status of a Very Severe Cyclonic Storm with winds up to 90 knots (based on IMD observations) although the JTWC observed peak winds of 115 knots, or 135 mph (215 km/h).[5] Nargis hit southern Burma with 135 mph winds winds and then gradually started dissipating.[6][7]

Damage in Myanmar was extensive, where 243 people have been reported dead according to United Nations officials. Later, there were nearly 4,000 deaths confirmed. It became likely that 15,000 or even 22,000[8] deaths occurred, but this was disputed by officials. Later, 22,980 deaths have been blamed on Nargis and more than 40,000 other people were missing. If they were all killed, then Nargis would be the 6th deadliest cyclone in this basin on record, and the 3rd deadliest in this basin in modern history. The Labutta Township alone reportedly had a toll of 80,000 deaths; 10,000 more were in Bogale, and some estimate the death toll from Nargis being well over 100,000, and is at least as of now around 146,000. So far, Nargis is ranked as the 8th deadliest cyclone of all time, the deadliest named cyclone in this basin, and the second deadliest named cyclone of all time, after Typhoon Nina of 1975.[9] Thousands of homes and businesses throughout the country, including in Yangon, were damaged or destroyed by the winds and storm surge. The Irrawaddy Delta also suffered severely from the storm surge. Damage is estimated at nearly $10 billion (USD).[10][11]

Depression ARB 01

Depression (IMD)
 
DurationJune 5 – June 7
Peak intensity45 km/h (30 mph) (3-min);
994 hPa (mbar)

An area of convection formed north west of India on June 4.[12] The IMD designated it as a Depression the next day.[13] Although it was forecast to intensify further,[14] it did not develop as it turned away from the coast.[15] The IMD downgraded it to an active area of low pressure on June 7 as it weakened over the Arabian Sea.[16]

Depression BOB 02

Depression (IMD)
 
DurationJune 16 – June 18
Peak intensity45 km/h (30 mph) (3-min);
1004 hPa (mbar)

On June 16 a depression formed in the Bay of Bengal about 220 km southeast of Kolkata,[17] and made landfall over Bangladesh the next day.[18] It dissipated over Jharkhand on June 18.[19]

Depression BOB 03

Depression (IMD)
 
DurationAugust 9 – August 10
Peak intensity45 km/h (30 mph) (3-min);
1004 hPa (mbar)

On August 9th, a tropical depression formed in the North Indian Ocean, south of Orissa, India. [20] Early the next day, the depression made landfall on the Orissa coast. [21] Later in the day, the IMD issued its final advisory on the depression as it weakened into a low pressure area. [22]

Timeline of recent events

Main article: Timeline of the 2008 North Indian Ocean cyclone season

August

August 9
1200 UTC - The IMD designates a low pressure area, off the coast of Orissa, India, as Depression BOB 03-2008. [20]
August 10
  • c. 0330 UTC - Depression BOB 03 makes landfall on the coast of Orissa, India [21]
1200 UTC - The IMD issues its last advisory on Depression BOB 03, weakening inland over north Orissa. [22]

Storm names

These are the names during the season, as well as the next four names of the list of North Indian Ocean storm names. The names will be used sequentially and once only.

  • Nargis
  • Abe (unused)
  • Khai-Muk (unused)
  • Nisha (unused)
  • Bijli (unused)

See also

Template:Tcportal

References

  1. ^ ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2008042518-ABIO.PGTW
  2. ^ http://www.webcitation.org/5XO85b97r
  3. ^ http://www.webcitation.org/5XPQAjkzn
  4. ^ http://www.webcitation.org/5XQ3nNFym
  5. ^ http://www.webcitation.org/5XR3dt6mQ
  6. ^ http://www.webcitation.org/5XWv3llQa
  7. ^ http://www.webcitation.org/5XWvIrKQm
  8. ^ http://news.yahoo.com/s/ap/20080506/ap_on_re_as/myanmar_cyclone
  9. ^ Burmese Storm Toll 'tops 10,000'. BBC News. May 5 2008. Retrieved on 2008-05-05
  10. ^ http://news.yahoo.com/s/ap/20080504/ap_on_re_as/myanmar_cyclone
  11. ^ Win, Aye Aye (2008-05-04). "Cyclone kills at least 351 in Myanmar, state-run TV reports". Associated Press. Archived from the original on 2008-05-04.
  12. ^ ftp://ftp.met.fsu.edu/pub/weather/tropical/GuamStuff/2008060404-ABIO.PGTW
  13. ^ http://www.webcitation.org/5YLEJxuI4
  14. ^ http://www.webcitation.org/5YLSYgxvs
  15. ^ http://www.webcitation.org/5YMxFd8l2
  16. ^ http://www.webcitation.org/5YS0cC394
  17. ^ http://www.webcitation.org/5YcBGMEsX
  18. ^ http://www.webcitation.org/5Ycs8dzJ4
  19. ^ http://www.webcitation.org/5YftErsca
  20. ^ a b "IMD Tropical Weather Outlook 09-08-08 12z". IMD. Retrieved 2008-08-11.
  21. ^ a b "IMD Tropical Weather Outlook 10-08-08 06z". IMD. Retrieved 2008-08-11. Cite error: The named reference "IMD Tropical Weather Outlook 10-08-08 06z" was defined multiple times with different content (see the help page).
  22. ^ a b "IMD CWIND advisory 10-08-08 12z". IMD. Retrieved 2008-08-11.
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