Though oceanic and atmospheric conditions over Bay of Bengal are favourable for intensification of Yaas, experts hope it will not intensify to an extremely severe cyclone because it has formed close to the coast and has less time over the unusually warm ocean
The depression over eastcentral Bay of Bengal has intensified into cyclonic storm, Yaas, and is likely to intensify further into a very severe cyclonic storm (wind speed of 118 to 166 kmph) during the subsequent 24 hours, according to India Meteorological Department.
Yaas would continue to move north-northwestwards, intensify further and reach northwest Bay of Bengal near north Odisha and West Bengal coasts by Wednesday morning. It is very likely to cross north Odisha -West Bengal coasts between Paradip and Sagar islands by Wednesday evening as a very severe cyclonic storm.
Though oceanic and atmospheric conditions over Bay of Bengal are favourable for intensification of Yaas, experts hope it will not intensify to an extremely severe cyclone because it has formed close to the coast and has less time over the unusually warm ocean.
“The north Bay of Bengal where the cyclone is forming, is very warm, with the temperatures reaching up to 32 degrees Celsius (°C), 1-2°C above normal. The subsurface ocean heat content is also warm and conducive for the system to intensify into a cyclone. However, since the distance between the location of cyclogenesis and landfall is short, the cyclone won’t spend much time over the ocean. This will prevent it from intensifying to an extremely severe cyclone. In contrast, Cyclone Tauktae spent several days in the Arabian Sea, drawing the energy in the form of heat and moisture from the warm waters below. We won’t see this happening for cyclone Yaas,” said Matthew Roxy Koll, a climate scientist at the Indian Institute of Tropical Meteorology.
Source - HT
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