Cyclonic Storms:
1. A Cyclonic storm is a strong wind circulating around a low pressure area in the atmosphere.
2. It rotates in anti – clockwise direction in Northern Hemisphere and clockwise in the southern Hemisphere.
3. Tropical Cyclones are characterized by destructive winds, storms surges and exceptional levels of rainfall, which may cause flooding.
4. Wind speed may reach upto 200 Km/h and rainfall may record upto 50 cm/ day for several consecutive days.
5. A sudden rise of seawater due to tropical cyclone is called storm surge.
6. It is more common in the regions of shallow coastal water.
East Coastal areas vulnerable to storm surges:
1. North Odisha and West Bengal coasts. ,
2. Andhra Pradesh coast between Ongole and Machilipatnam.
3. Tamil Nadu coast (among 13 coastal districts, Nagapattinam and Cuddalore districts are frequently affected).
West Coastal areas vulnerable to storm surges:
1. The west coast of India is less vulnerable to storm surges than the east coast.
2. Maharashtra coast, North of Hamai and adjoining South Gujarat coast and the coastal belt around the Gulf of Cambay.
3. The coastal belt around the Gulf of Kutch.