According to the rainfall data available with Skymet, Kalingapatnam and Visakhapatnam in Andhra Pradesh received 53 mm and 17 mm of rain, respectively in a span of 24 hours from 8:30 am on Thursday. In Tamil Nadu, Pamban recorded 33 mm of rain, while Chennai and Nagapattinam observed 24 mm and 19 mm of rain, respectively during the same period of 24 hours. Coastal Odisha witnessed light rain at many places.
The cyclonic circulation over North Bay of Bengal is likely to become more prominent in next 24 to 48 hours. However, the low pressure area over Sri Lanka coast will gradually move in a westward direction into the Arabian Sea.
The trough along the East Coast will persist for another 24 to 48 hours and give scattered rain and thundershower over Odisha, Andhra Pradesh and Tamil Nadu coast.
After 48 hours rainfall will decrease significantly over Andhra Pradesh and Odisha coast. However, Tamil Nadu coast will continue to receive good rains.
In the month of October and November cyclonic storms are a common feature in the Bay of Bengal and the Arabian Sea. It is more frequent over Bay of Bengal.
But no prominent weather system has developed in the Bay of Bengal till now. The Arabian Sea is however seeing the first storm of the season called Chapala.
According to meteorologists at Skymet, El Nino could be held responsible for the lack of weather systems in the Bay of Bengal. Due to the El Nino, the Pacific Ocean is warmer and a number of systems have formed in. But the Bay of Bengal is relatively cooler, which is hampering the formation of any good system.
Image Credit: The Hindu