It said a low-pressure area is likely to form over the Bay of Bengal in the next 24 hours.
"A cyclonic circulation extending up to 7.6 km above mean sea level tilting southwestwards with height lies over northwest Bay of Bengal off West Bengal-Odisha coasts. Under its influence a low-pressure area is very likely to develop over northwest Bay of Bengal and neighbourhood during next 24 hours " said an IMD statement.
It said rain/thundershowers is very likely to occur at many places over districts of Odisha during next 24 hours and in subsequent 48 hours.
The low pressure is likely to trigger heavy rainfall in the districts of Malkangiri Koraput Kalahandi Kandhamal Rayagada Ganjam Gajapati Puri Khordha Cuttack Jagatsinghpur on Saturday.
Isolated heavy to very heavy rainfall is likely to occur over Gajapati Ganjam Puri Khordha Nayagarh Balasore Cuttack Rayagada Kalahandi Kandhamal Nabarangpur and Balangir districts on Sunday the IMD statement said.
Moreover isolated heavy to very heavy rainfall is likely to occur over Balasore Bhadrak Keonjhar Mayurbhanj Dhenkanal Angul Deogarh Sundargarh Sambalpur Jajpur Jagatsinghpur Kendrapara Cuttack Kalahandi and Nuapada districts on August 20.
It has advised the fishermen not to venture into deep sea on August 19 and 20.
--IANS cd/pgh/vm
