Skymet weather

Twin depressions, one over the Bay of Bengal, another over the Arabian Sea

November 22, 2020 9:00 AM |

Depression in Bay of Bengal

The well-marked low-pressure area over the South Central Arabian Sea will soon intensify into a depression. It will keep moving in a westerly direction away from the Indian coast. As this depression is moving away westwards, therefore, its impact on the Indian mainland will be negligible. The weather of the South Peninsula will become almost dry with isolated rain. The depression is taking away the moisture from the South Peninsula leading to subdued Northeast Monsoon conditions.

A cyclonic circulation is over the equatorial Indian Ocean and the adjoining Southwest Bay of Bengal. A low-pressure area has formed over the same region. This low-pressure area will further intensify into a well-marked low and subsequently into a depression. It is expected to move in a westerly direction towards Tamil Nadu. Northeast Monsoon will once again get activated by this depression. By the night of November 23rd, rain activities will commence over Tamil Nadu coast. On November 24 and 25th, rain activities will intensify and there may be heavy to very heavy flooding rain over many parts of Tamil Nadu coast. Interior parts of Tamil Nadu will get moderate showers. Sri Lanka will also receive heavy to very heavy rain on November 23 and 24. Sea conditions will be rough to very rough along Tamil Nadu Coast and South Andhra coast between November 23 and 26. There may be flooding rains over Nagapattinam, Pudukkottai, Sivaganga, Ramanathapuram, Karaikal, Pamban, and Tirunelveli on November 23 and 24. Chennai and Puducherry may get heavy rain and thundershowers on November 25 and 26. Rain activities may also occur with moderate intensity over Andhra Coast and Rayalaseema on November 25 and 26.

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