Hyderabad, Sep 18 : Under the influence of a cyclonic circulation over westcentral Bay of Bengal off Andhra Pradesh coast, a low pressure area is likely to form over the region during next 12 hours, India Meteorological Deprtment (IMD) on Wednesday said.
In a bulletin, it said, subsequently, an east-west trough across Northern parts of peninsular India is likely to get activated during September 18th-20th. Under the above situation, fairly widespread to widespread rainfall with isolated heavy to very heavy rain falls is likely over Maharashtra state (probable isolated extremely heavy falls over ghat areas of Madhya Maharashtra & north Konkan) on Wednesday and Thursday.
Fairly widespread to widespread rainfall with isolated heavy to very heavy falls are also likely over North Tamil Nadu, Andhra Pradesh, Telangana & Interior Karnataka during the next 2-3 days, the bulletin said. Heavy to very heavy rainfall with extremely heavy falls very likely at isolated places over Madhya Maharashtra; Heavy to very heavy rainfall at isolated places over Vidarbha, Konkan & Goa, Coastal Andhra Pradesh & Yanam and Rayalaseema and heavy rainfall at isolated places over East Uttar Pradesh, Andaman & Nicobar Islands, Gujarat region, Marathawada, Telangana, Interior Karnataka and Tamilnadu, Puducherry and Karaikal.
The bulletin said Thunderstorm accompanied with squall (wind speed 50-60 kmph) is very likely to occur at isolated places over Andaman & Nicobar Islands; with lightning at isolated places over Odisha.
Strong winds, speed reaching 40-50 kmph, are likely to prevail over western parts of westcentral & southwest Arabian Sea, Gulf of Mannar and adjoining Tamil Nadu coast during the period.
Squally weather conditions are likely to prevail over south Andhra Pradesh, North Tamil Nadu coasts and Andaman Sea. Fishermen are advised not to venture into these areas, the bulletin said. UNI