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Low Pressure Over Bay of Bengal on 22nd November 2017

The IMD said that the ‘low’ would become ‘well-marked’ by Monday ,November 27 over east coast of Sri lanka and Tamilnadu.

Low pressure over Bay on 22nd November
Wind chart show the system acquiring rapid strength and hitting the Sri Lankan coast first and then South Tamil Nadu by November 30, with a remnant preparing to cross extreme South Peninsula into South-East Arabian Sea.
Early forecasts are of heavy to very heavy rain over Tamil Nadu, Kerala, and parts of adjoining Karnataka and Andhra Pradesh.

December storms are not unusual for the Bay with the North-West Pacific/South China Sea feeding in pulses periodically. Last year, cyclone Vardah had formed in early December, the third and most intense cyclone during the North-East monsoon.

The low pressure area over Andaman sea and neighbourhood with associated cyclonic circulation extending upto 3.1 km above mean sea level persists. It is likely to shift westsouthwestwards gradually and become more marked over southwest Bay of Bengal & neighbourhood around 26th November 2017

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