A low-pressure area brewing over the Bay of Bengal is likely to bring heavy rain across Gangetic West Bengal and Odisha during this weekend, the IMD said.
It said that a low-pressure area is likely to form over east-central and adjoining northeast Bay of Bengal by Friday and intensify thereafter into a well-marked low-pressure area, moving northwestwards in the direction of north Odisha and Gangetic West Bengal.
The weather system is likely to cause heavy rain over Gangetic West Bengal on September 29 and September 30, it said on Thursday.
The Regional Meteorological Centre, Bhubaneswar issued a Yellow Warning' (Be Updated) for heavy rainfall (7-11 cm) at one or two places in the districts of Keonjhar, Mayurbhanj, Balasore and Bhadrak on Friday.
It also forecast thunderstorm with lightning to occur at a few places in Balasore, Bhadrak, Jajpur, Kendrapada, Jagatsinghpur, Cuttack, Khordha, Puri, Nayagarh and Ganjam.
Heavy rainfall is likely across Odisha for the next four days from September 30, the Met Department said.