2007 North Indian Ocean cyclone season
| 2007 North Indian Ocean cyclone season |
Season summary map
|
| Seasonal boundaries |
| First system formed |
May 1, 2007 |
| Last system dissipated |
November 16, 2007 |
| Strongest storm |
|
| Name |
Gonu |
| • Maximum winds |
235 km/h (145 mph)
(3-minute sustained) |
| • Lowest pressure |
920 hPa (mbar) |
| Seasonal statistics |
| Depressions |
11 |
| Deep depressions |
8 |
| Cyclonic storms |
4 |
| Very severe cyclonic storms |
2 |
| Super cyclonic storms |
1 |
| Total fatalities |
At least 16,248 |
| Total damage |
~ $6.4 billion (2007 USD) |
| Related article |
|
|
North Indian Ocean tropical cyclone seasons
2005, 2006, 2007, 2008, 2009, |
| Depression (IMD) |
|
|
| Duration |
May 1 – May 5 |
| Peak intensity |
45 km/h (30 mph) (3-min) 998 hPa (mbar) |
| Cyclonic storm (IMD) |
| Category 1 tropical cyclone (SSHWS) |
|
|
| Duration |
May 13 – May 15 |
| Peak intensity |
85 km/h (50 mph) (3-min) 988 hPa (mbar) |
| Super cyclonic storm (IMD) |
| Category 5 tropical cyclone (SSHWS) |
|
|
| Duration |
June 1 – June 7 |
| Peak intensity |
235 km/h (145 mph) (3-min) 920 hPa (mbar) |
| Cyclonic storm (IMD) |
| Tropical storm (SSHWS) |
|
|
| Duration |
June 21 – June 26 |
| Peak intensity |
65 km/h (40 mph) (3-min) 986 hPa (mbar) |
| Deep depression (IMD) |
| Tropical storm (SSHWS) |
|
|
| Duration |
June 28 – June 30 |
| Peak intensity |
55 km/h (35 mph) (3-min) 989 hPa (mbar) |
| Deep depression (IMD) |
|
|
| Duration |
July 4 – July 9 |
| Peak intensity |
55 km/h (35 mph) (3-min) 988 hPa (mbar) |
| Deep depression (IMD) |
|
|
| Duration |
August 5 – August 7 |
| Peak intensity |
55 km/h (35 mph) (3-min) 984 hPa (mbar) |
| Depression (IMD) |
|
|
| Duration |
September 21 – September 24 |
| Peak intensity |
45 km/h (30 mph) (3-min) 990 hPa (mbar) |
| Depression (IMD) |
|
|
| Duration |
October 27 – October 29 |
| Peak intensity |
45 km/h (30 mph) (3-min) 1004 hPa (mbar) |
The 2007 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. These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean.
The scope of this article is limited to the Indian Ocean in the Northern Hemisphere, east of the Horn of Africa and west of the Malay Peninsula. There are two main seas in the North Indian Ocean — the Arabian Sea to the west of the Indian subcontinent, abbreviated ARB by the India Meteorological Department (IMD); and the Bay of Bengal to the east, abbreviated BOB by the IMD.
The official Regional Specialized Meteorological Centre in this basin is the India Meteorological Department (IMD), while the Joint Typhoon Warning Center releases unofficial advisories. The tropical cyclone scale for this basin is detailed on the right. On average, 4 to 6 storms form in this basin every season.
2007 was an active year for this basin; it was the most destructive season in known history at this time, only for the 2008 season to surpass it the next year. 2007 was also the first season to have multiple Category 5 cyclones (by the Saffir Simpson Scale), and the two Category 5's , Sidr and Gonu, were also the first named Category 5 cyclones to form in their respective seas; Gonu in the Arabian Sea, and Sidr in the Bay of Bengal. Other notable storms of the season include Akash and Yemyin, both of which caused substantial damage and deaths. At least 4,545 deaths were reported, and damage was about 6.4 billion dollars.
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