Abstract
A very severe Cyclone Yaas hit the Digha Coast and adjoining coastal areas in West Bengal on 26.5.2021. Process of landfall commenced from 8.30 A.M and it continued for about four hours to complete the whole process. Maximum Storm Surge Level recorded at Digha was about 7.20 m. Maximum wind velocity observed at Digha was about 150 km/h with direction s-s-e. Many places in Howrah, North 24 Parganas, South 24 Parganas and East Midnapore districts got marooned on 26.5.2021 after sea water and river water gushed into villages following damage to river embankments due to high storm surge soon after Cyclone Yaas made a landfall near Dharma Port in Odisha on 26.5.2021. About 156 km of river embankments in these districts were either damaged or breached. Embankments along rivers Hooghly, Rupnarayan and Haldi were damaged at several places causing the disaster. A number of villages and settlements in the riverine areas of these districts were inundated. Affected areas include Digha, Tajpur, Mandermoni, Haldia of East Midnapore district. Breaches in river embankments left thousands of villages and settlements inundated in areas like Kakdip, Sagar, Ghoramara island, Patharpratima, Bakkhali, Sandeshkhali, Mousuni island, Fraserganj and Hingalganj in South 24 Parganas. In East Midnapore, nearly 12 blocks were marooned due to surge in sea water and river water levels. Water overtops Guard Wall at Digha and New Digha on 26.5.2021 morning with embankment breach and destruction of Guard Wall at several places. Entire Sea Embankment from Sankarpur to Tajpur was badly affected due to cyclone. In Mandermoni, several hotels and shops were destroyed. This paper reports damage caused due to Cyclone Yaas in West Bengal. Preventive measures to be taken in case of future storms to minimize damage and loss of life have been discussed. also.
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