The IMD also said that the conditions are favourable for further advancement of the southwest monsoon.

New Delhi: The India Meteorological Department (IMD) on Tuesday said that the southwest monsoon has reached Karnataka and parts of Bengaluru may receive rain, thundershowers in the next 48 hours.
In a bulletin, the weathermen said, “Isolated heavy to very heavy rainfall occurred over Kerala and Mahe, Assam and Meghalaya and heavy rainfall over Tamilnadu, Coastal & North interior Karnataka and Sub-Himalayan West Bengal and Sikkim.” It added, “Isolated hailstorms (have been) observed over Kashmir.”
The IMD also said that the conditions are favourable for further advancement of the southwest monsoon. “Conditions are favourable for further advance of Southwest monsoon into some more parts of central Arabian Sea, some more parts of Karnataka, some parts of Konkan and Goa, some more parts of Tamil Nadu, remaining parts of southwest Bay of Bengal, some more parts of westcentral Bay of Bengal, northeast Bay of Bengal, northeastern states and Sub-Himalayan West Bengal and Sikkim during next two days.”
Due to cyclonic circulation over south Bangladesh & adjoining North Bay of Bengal and strong southwesterly winds from Bay of Bengal to northeast India “Widespread light/moderate rainfall with isolated heavy falls very likely over northeast India and Sub-Himalayan West Bengal and Sikkim during the next five days”, the IMD said.
“Isolated very heavy rainfall is also very likely over Assam & Meghalaya and Sub-Himalayan West Bengal & Sikkim during June 2 to 4 and over Arunachal Pradesh on June 2 and 3. Isolated extremely heavy falls also likely over Meghalaya on June 2.”
“Isolated/scattered rainfall with thunderstorm/lightning/gusty winds very likely over Bihar, Jharkhand, Odisha and Gangetic West Bengal next five days,” the weathermen said.
Under the influence of monsoonal westerly winds from Arabian Sea over the south peninsular India, the IMD said, “Widespread light/moderate rainfall with thunderstorm/lightning very likely over Kerala and Mahe and Lakshadweep and scattered to fairly widespread rainfall over Karnataka and isolated to scattered over Andhra Pradesh, Telangana and Tamil Nadu, Puducherry and Karaikal during next five days. Isolated heavy rainfall also likely over coastal Karnataka on June 1, over Tamil Nadu and south interior Karnataka on June 1 and 2; over Kerala and Mahe on June 2 and 3 with isolated heavy to very heavy rainfall over Kerala and Mahe on June 1.”
“Squally weather (wind speed 40-50 kmph gusting to 60 kmph) very likely over north Bay of Bengal on June 1 and 2; over Southeast Arabian Sea along and off Kerala coast, Lakshadweep and Comorin area. Strong Winds (wind speed 40-50 kmph gusting to 60 kmph) over Southwest Arabian Sea during next five days; over Southeast Arabian Sea on June 1 and 2; Southwest Bay of Bengal, Gulf of Mannar on June 1 and 2 and Southwest Bay of Bengal on June 3 and 4. Fishermen are advised not to venture into these areas,” the IMD said.