Cyclonic storm Komen will hit the Bangladesh coast on July 30, bringing with it heavy rainfall in Gangetic West Bengal and Odisha, the India Meteorological Department informed.

Komen currently lies 300 km East-Southeast of Kolkata. After making landfall in Bangladesh, it will move West-North-Westwards and weaken gradually.

"Rainfall would occur at most places, with heavy to very heavy rainfall at a few places and extremely heavy at isolated places over the Gangetic West Bengal on July 30-31 and heavy to very heavy rainfall at a few places on August 1. Isolated places in Odisha will also witness heavy to very heavy rainfall at most places today and heavy to very heavy rains at a few places with isolated extremely heavy rains on July 31 and August 1," said IMD's Cyclone Warning Division.

North-eastern states of Mizoram, Tripura and South Assam will experience heavy and rain rainfall on July 30 and 31. Jharkhand will also witness rainfall from July 31 to August 1.

"Squally wind speed reaching 50-60 kmph gusting to 70 kmph would prevail along and off West Bengal and north Odisha coasts during next 48 hours. Squally wind speed reaching 40-50 kmph gusting to 60 kmph would prevail over Mizoram and Tripura commencing from this evening for next 24 hours and over Gangetic West Bengal from tomorrow morning. Sea condition would be high over north Bay of Bengal during the same period," said the Cyclone Warning Division.