The IMD said: “The area of low pressure over the northern Andaman Sea and adjacent areas of the southern Andaman Sea and southeastern Bay of Bengal persists. It is very likely that ‘It moves west-northwestward and concentrates in a depression over the southeast and adjacent central east. October 22.’
It will then move northwestward and further intensify into a deep low over the east-central and adjacent southeast Bay of Bengal on October 23rd. of Bengal by October 24. Thereafter, it is likely to move north-northeast and reach the coasts of West Bengal and Bangladesh on October 25, skirting the coast of Odisha,” the MeT department said.
The IMD has predicted rainfall over several southern states including Tamil Nadu. The meteorological agency said: “Fairly widespread/widespread light/moderate rainfall with isolated heavy falls and thunderstorms/lightning most likely over Tamil Nadu, Puducherry & Karaikal and Kerala & Mahe from 21-23 October 2022. Very heavy isolated rains also very likely over Tamil Nadu, Pondicherry and Karaikal on October 21, 2022.”
Isolated heavy showers are also expected over several eastern states. “Scattered/fairly widespread rain with isolated heavy falls and thunderstorms/lightning most likely over Odisha on 23-25th and Gangetic West Bengal from 24-26 October 2022. Isolated very heavy rain also most likely over Odisha on 24th and Gangetic West Bengal on October 25, 2022,” IMD said in a press release.
Northeastern states are also likely to receive heavy falls through October 26. The MeT department said: “Fairly widespread/widespread light/moderate rain with isolated heavy falls and thunderstorms/lightning most likely over Assam and Meghalaya and Nagaland, Manipur, Mizoram and Tripura for 24-26 and Arunachal Pradesh on October 25, 2022.”
Meanwhile, isolated very heavy rains are also highly likely over Assam and Meghalaya and Nagaland, Manipur, Mizoram and Tripura on October 25-26. Widespread light to moderate rain with isolated heavy falls is expected over the Andaman and Nicobar Islands through Sunday.
The western Himalayan region is expected to receive light rain or snowfall through Saturday. Dry weather is very likely to prevail over most parts of North West and Central India.