Guwahati: A cyclonic circulation lies over northeast Assam in lower tropospheric levels.
Strong southwesterly/southerly winds are prevailing from the Bay of Bengal to northeast India in lower tropospheric levels.
Under their influence, widespread light to moderate rainfall accompanied by thunderstorms, lightning and gusty winds (30-40 kmph) is likely over Arunachal Pradesh, Assam and Meghalaya, Nagaland, Manipur, Mizoram and Tripura and Sub Himalayan West Bengal during next five days.
Isolated heavy to very heavy rainfall very likely over Sub-Himalayan West Bengal, Assam, Meghalaya, Arunachal Pradesh during June 19-21; Nagaland, Manipur, Mizoram & Tripura on June 19 and 22 with isolated one extremely heavy rainfall over Assam and Meghalaya and Sub-Himalayan West Bengal, Arunachal Pradesh on June 19 and isolated exceptionally heavy rainfall over Meghalaya on June 19.
Widespread light to moderate rainfall with isolated heavy to very heavy rainfall is likely over Sikkim on June 19 and heavy rainfall during June 20-22.
Scattered to fairly widespread light to moderate rainfall accompanied by thunderstorms, lightning and gusty winds (30-40 kmph) is very likely over Gangetic West Bengal, Bihar, Jharkhand, and Odisha during the next five days.