The Indian Meteorological Department (IMD) on Monday said a depression over the Bay of Bengal is likely to concentrate into a cyclonic storm during the next 48 hours.
Under its impact, several parts of Odisha will receive heavy rainfall starting from October 9.
Fishermen have been advised not to venture into deep sea areas of the Bay of Bengal from October 9 to 12 as the sea condition would be rough.
While rainfall at many places with heavy downpour at isolated places over south coastal Odisha is likely to occur on Tuesday, heavy to very heavy rainfall at a few places and extremely heavy rainfall at isolated places over coastal Odisha is likely to occur on Wednesday.
It further predicted rainfall at most places with heavy to very heavy downpours at a few places and extremely heavy downpour at isolated places over coastal and adjoining interior Odisha on Thursday.
The IMD said squally winds with speeds reaching 45-55 kmph to 65 kmph are very likely along and off north Andhra Pradesh, Odisha, and West Bengal coasts from October 9.
It is very likely to increase gradually, reaching 70-80 kmph to 90 kmph from October 10 evening onwards along and off south Odisha and adjoining districts of north Andhra Pradesh coasts, said HR Biswas, Bhubaneswar Met centre Director.