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What is the News?
Cyclone Yaas hit the coastal areas of Odisha and West Bengal. Upon landfall, the cyclone weakened.
About Cyclone Yaas:
- Cyclone Yaas is a Tropical Cyclone. It has been named by Oman. Yaas means a tree bearing fragrant flowers.
- Cyclone Yaas is the first cyclonic storm to develop over the Bay of Bengal in 2021.
- Cyclone Yaas crossed the northern Odisha coast around 20 km south of Balasore at its peak intensity as a very severe cyclonic storm.
Click Here to Read how Cyclones are Named
Classification of Cyclones: The Indian Meteorological Department(IMD)’s criterion to classify the cyclones is based upon the method adopted by the World Meteorological Organisation(WMO). The classification is:
Type of Disturbances (and Associated Wind Speed in the Circulation):
- Firstly, Low-pressure Area: Wind Speed less than 17 knots (<31 kmph)
- Secondly, Depression: 17 to 27 knots (31 to 49 kmph)
- Thirdly, Deep Depression: 28 to 33 knots (50 to 61 kmph)
- Fourthly, Cyclonic storm: 34 to 47 knots (62 to 88 kmph)
- Fifthly, Severe Cyclonic Storm: 48 to 63 knots (89 to 118 kmph)
- Sixthly, Very Severe Cyclonic Storm: 64 to 119 knots (119 to 221 kmph)
- Seventhly, Super Cyclonic Storm: 119 knots and above (221 kmph and above).
Source: The Hindu
