IMD said, “Isolated heavy rainfall is also likely over Arunachal Pradesh and Nagaland, Manipur, Mizoram and Tripura on 25th and 29th and over Assam-Meghalaya on 25th, 26th, 28th and 29th May.”

New Delhi: The India Meteorological Department (IMD) on Wednesday predicted an advancement of the Southwest Monsoon. In a statement, the weather department said, conditions are favourable for further advance of Southwest Monsoon over some parts of Southwest Arabian Sea, some more parts of Southeast Arabian Sea, Maldives and Comorin area, South and Eastcentral Bay of Bengal and some parts of Northeast Bay of Bengal during the next 48 hours.
The IMD also predicted rainfall and thunderstorm and issued warnings. The statement added, “Under the influence of a trough from east Bihar to north Coastal Andhra Pradesh and southwesterly winds from Bay of Bengal to northeast and adjoining east India in lower tropospheric levels, scattered to fairly widespread light/moderate rainfall very likely over Northeast India and isolated to scattered rainfall with isolated thunderstorm/lightning/gusty winds over Bihar, Jharkhand, Odisha and West Bengal and Sikkim during the next five days.”
It added, “Isolated heavy rainfall is also likely over Arunachal Pradesh and Nagaland, Manipur, Mizoram and Tripura on 25th and 29th and over Assam-Meghalaya on 25th, 26th, 28th and 29th May.”
Under the influence of a north-south trough and westerly winds from Arabian Sea over the south peninsular India in lower tropospheric levels, the IMD said, “Widespread light/moderate rainfall with thunderstorm/lightning very likely over Kerala and Mahe and Lakshadweep and isolated to scattered rainfall over Andhra Pradesh, Telangana, Karnataka and Tamil Nadu, Puducherry and Karaikal during the next five days. Isolated heavy rainfall also likely over Kerala and Mahe today (May 25) and over Tamil Nadu on 25th and 26th May.”
It added, “Squally weather (wind speed 40-50 kmph gusting to 60 kmph) very likely over southwest Arabian Sea during next five days and over northeast Arabian Sea and adjoining Gujarat coast during 27th-29th May.”
Meanwhile, under the influence of a fresh approaching Western Disturbance, the IMD said, “Scattered light/moderate rainfall with isolated thunderstorm/lightning/gusty winds very likely over Jammu and Kashmir, Himachal Pradesh and isolated rainfall over Uttarakhand, Punjab, Haryana, Chandigarh and Delhi, Uttar Pradesh, Rajasthan on 28th and 29th May. Isolated hailstorm likely over Jammu & Kashmir, Himachal Pradesh on 28th May. Duststorm activity at isolated places very likely over West Rajasthan on 28th and 29th May.”