Agri Business

Weather: IMD puts Bay under watch for depression yet again

Vinson Kurian Thiruvananthapuram | Updated on October 22, 2020

The low-pressure area over the Bay of Bengal is forecast to become a depression by Friday.   -  The Weather Company

Rain belt to move from AP to Odisha, West Bengal

The India Meteorological Department (IMD) has declared a watch for a depression off the Odisha-West Bengal coasts by Friday, the second during post-monsoon this year, as a prevailing low-pressure area over the Central Bay of Bengal undergoes gradual intensification.


Fairly widespread to widespread rainfall with isolated heavy falls is forecast over Coastal Andhra Pradesh, Rayalaseema, Telangana and Odisha until Friday; and over the plains of West Bengal on Thursday; and over North-East India from Thursday to Saturday.

Isolated very heavy rainfall is also likely over Coastal Odisha and adjoining Coastal West Bengal on Friday. Isolated heavy to very heavy rainfall with extremely heavy falls are forecast over Nagaland, Manipur, Mizoram and Tripura on Friday and over Assam and Meghalaya on Saturday.

Fishermen warning in Bay

Fairly widespread to widespread rainfall with isolated heavy falls very likely over Karnataka during next 2-3 days. Fishermen are advised not to venture into Central Bay and along and off North Andhra Pradesh-South Odisha coasts until Thursday; over the North Bay until Saturday; and along and off the North Odisha-West Bengal-Bangladesh coasts from Thursday to Saturday.

The low-pressure area has been persisting over the central parts of the Bay from Tuesday, which is expected to intensify a round to become ‘well-marked’ on Thursday over the West-Central Bay off the Andhra Pradesh coast, the IMD said on Wednesday afternoon.

In the process, it would start recurving away from the Andhra Pradesh coast and move to the North-East over the West-Central Bay towards the North-West Bay off the Odisha-West Bengal coasts and concentrate into a depression by Friday while still based on the waters.

N-E monsoon prospects

This away-movement would allow the easterly to North-Easterly winds from the brewing depression and the North-Westerly-to-Northerly winds from the resident anticyclone over North-West India to align and set up a helpful environment for monsoon transition both over land and the Arabian Sea.

Published on October 21, 2020

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