Syllabus Section: Geography of India & World
Why in news?
The Deep Depression over the southeast and adjoining southwest Bay of Bengal has been intensified into a cyclonic storm. This has been named as ‘Burevi’ by the Maldives.
• The Meteorological Department has highlighted that the cyclonic system is currently centered at about 400 km east-southeast of Trincomalee in Sri Lanka. It will cross the Sri Lankan coast near Trincomalee by December 2.
• It will emerge into the Gulf of Mannar and its adjoining Comorin area.
• It will also cross the shores between Pamban and Kanyakumari in southern Tamil Nadu.
• Tamil Nadu, Kanyakumari, Tirunelveli, Thoothukudi, Tenkasi, Ramanathapuram and Sivagangai districts will get heavy to very heavy rainfall at a few places.
About Tropical Cyclones
• The tropical cyclone is an intense circular storm which originates over the warm tropical oceans.
• Tropical cyclone is characterized by low atmospheric pressure, high winds and heavy rain.
• The characteristic feature of tropical cyclones is the eye which is the central region of clear skies, warm temperatures and low atmospheric pressure.
• These storms rotate anticlockwise in the northern hemisphere while clockwise in the southern hemisphere. These storms have different names in different regions:
1. Hurricanes in the North Atlantic and eastern Pacific
2. Typhoons in South East Asia and China.
3. Tropical cyclones in southwest Pacific and Indian Ocean region
4. Willy-willies in north-western Australia.