New Delhi: Widespread rainfall likely to continue over parts of Northeast India, Sub- Himalayan West Bengal & Sikkim, Bihar, East Uttar Pradesh and Uttarakhand till August 29, the IMD said today.
According to India Meteorological Department (IMD), “Widespread rainfall activity with isolated heavy to very heavy falls very likely to continue over Northeast India, Sub-Himalayan West Bengal & Sikkim till 27th August and reduce thereafter with isolated heavy rainfall over the region.”
“Isolated extremely heavy falls also likely over Arunachal Pradesh and Sub-Himalayan West Bengal & Sikkim on 26th August; over Assam & Meghalaya on 26th & 27th August, 2021,” it said.
Fairly widespread to widespread rainfall activity with isolated heavy falls very likely over Coastal & South Interior Karnataka, Tamilnadu and Kerala & Mahe during next 2 days and likely to increase from 28th August with isolated heavy to very heavy falls during 28th- 30th August., it said.
Isolated extremely heavy falls also likely over ghat areas of Tamilnadu and Kerala & Mahe on 29th & 30th August.
Fairly widespread to widespread rainfall activity with isolated heavy falls very likely to continue over Uttarakhand till 29th August and isolated heavy to very heavy falls likely over Bihar and East Uttar Pradesh till 28th August, the IMD said.
Subdued rainfall activity likely to continue over Northwest & Central India till 28th August and increase thereafter, it said.
The monsoon trough at mean sea level runs along the foothills of the Himalayas. In view of the likely formation of a cyclonic circulation over northwest & adjoining westcentral Bay of Bengal on 27th August, the eastern end of the monsoon trough is very likely to shift southwards from 27th August, the IMD said.
The western end likely to shift gradually southwards from 28th August. An off-shore trough at mean sea level runs from Karnataka coast to Kerala coast.
A cyclonic circulation lies over Southeast Arabian Sea off north Kerala coast in lower tropospheric levels, it said.
“Strong southerly/south-westerly winds from Bay of Bengal to northeast India very likely to continue to prevail till 27th August, 2021,” the IMD said.