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| Tropical Cyclone strength classification [1] |
| Category |
Wind speed |
|
Knots (km/h) |
|
| Deep Depression |
28–33
(52–61) |
| Cyclonic Storm |
34–47
(62–87) |
| Severe Cyclonic Storm |
48–63
(88–117) |
| Very Severe Cyclonic Storm |
64–119
(118–221) |
| Super Cyclonic Storm |
≥120
(≥222) |
The 2006 North Indian cyclone season has no 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.
[edit] Season summary
[edit] Tropical Cyclone 01A/01B
On January 13, an area of convection organized into Tropical Cyclone 01A (also designated Tropical Cyclone 01B) to the southwest of the southern tip of India. Shortly after forming, conditions quickly became unfavorable, and the storm dissipated on January 14 over open waters.
[edit] Very Severe Cyclonic Storm Mala (02B)
- Main article: Cyclone Mala
An area of disturbed weather developed into Tropical Cyclone 02B on April 24 in the central Bay of Bengal. It later intensified into Cyclonic Storm Mala on April 25. Convection steadily increased, and under a favorable environment, the storm attained very severe cyclone strength, the equivalent to a Category 1 hurricane on the Saffir-Simpson hurricane scale, on the 27th. It accelerated to the northeast, and intensified rapidly into an equivalent Category 4 cyclone on the Saffir-Simpson scale with wind speeds of over 185 km/h (115 mph) on the 28th, its peak intensity. It quickly weakened after peaking, made landfall on the 29th, and quickly dissipated over Myanmar.
Prior to making landfall, the cyclone lashed the western Myanmar coastline with powerful waves. Upon hitting the country, Mala caused severe structural damage. The area hardest hit was just outside of Yangon, with the strong winds damaging 150 buildings. The cyclone also downed numerous power lines, leaving many without electricity. [3] Mala dropped heavy rainfall throughout Myanmar, stopping drains in Yangon and causing flooding of up to 1 meter (3.28 feet) in depth. [4] The cyclone killed at least 22 people during its onslaught.
Cyclone Mala was the third intense cyclone to form in April; the other two were in 1991 and in 1994. Coincidentally, Cyclone Mala and the cyclones in 1991 and 1994 were all numbered as "02B", they are the only cyclones ever to form in April, and all of them made very destructive landfalls on the Asian mainland. [5]
[edit] Tropical Cyclone 03B
An area of disturbed weather formed near the coastline of eastern India on around June 30, 2006. It slowly developed until it was classified as a tropical cyclone on July 2 by the Joint Typhoon Warning Center. The system made landfall in Orissa between Paradip and Chandbali at around 2030 IST on July 2 and dissipated over land two days later.
The India Meteorological Department upgraded a well-marked low pressure area near Jamshedpur, India to a depression on September 21. The United States Naval Research Laboratory monitored the system as an area of interest. Soon after it formed, the depression made landfall near the border of India and Bangladesh. The depression degenerated into a low pressure area on September 24 and dissipated later that day. Torrential downpours caused flooding that killed more than 170 people and left around 375,000 homeless in eastern India and Bangladesh. [7]
[edit] Severe Cyclonic Storm Mukda (04A)
An area of disturbed weather in the Arabian Sea was classified as Tropical Cyclone 04A by the Joint Typhoon Warning Center on September 21. The India Meteorological Department began monitoring the system as a deep depression later that day, and designated it Cyclonic Storm Mukda early on September 22. Mukda slowly and erratically meandered to the northeast and intensified into a severe cyclonic storm later that day. On September 24, Mukda weakened into a depression under increasing wind shear. The remnant circulation lingered for four more days before dissipating on September 28. Mukda was never forecast to make landfall.
[edit] Tropical Cyclone 05B
Tropical Cyclone 05B formed on September 28 approximately 250 nautical miles south of Kolkata, India. It made landfall on September 29 near Brahampur, India before dissipating overland.
[edit] Cyclonic Storm Ogni
On October 29, a deep depression that had formed in the past day off the coast of Andhra Pradesh strengthened and was named Ogni, a name contributed by Bangladesh. It weakened back into a deep depression on October 30 and made landfall near Bapatla at around 1300 IST (0730 UTC).
[edit] List of North Indian storm names
These are the next four names of the List of North Indian storm names as well as names used so far this season. The names will be used sequentially and once only. Bold names are currently active.
- Mala
- Mukda
- Ogni
- Akash (unused)
- Gonu (unused)
- Yemyin (unused)
- Sidr (unused)
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[edit] See also
[edit] References
