Sea conditions would be rough and wind speeds are likely to increase gradually from Nov. 22, the Met department bulletin said.
Various weather models and forecasters have predicted that, as of Tuesday, northern parts of Tamil Nadu, including Chennai, Kancheepuram, Tiruvallur, and as far as Cuddalore and beyond, are likely to receive heavy rains, possibly making landfall (from a storm) between Karaikal. and Mamallapuram in the latter part of Wednesday. There will be rain in some places on Monday.
According to the Indian Meteorological Department (IMD), isolated and extremely heavy rains are likely to occur in most places in Tamil Nadu and Puducherry during Tuesday and Wednesday.
Also read: Cyclonic circulation causes rain in Chennai
This is due to the well-marked low-pressure area over the southwest of the Bay of Bengal that is most likely to concentrate in a depression during the next 24 hours and further intensify into a cyclonic storm during the next 24 hours.
The Chennai Regional Meteorological Office has predicted that the cyclone is most likely to move northwestward and cross the coast between Karaikal and Mamallapuram around noon or Wednesday afternoon. He predicted rough weather along the coast with wind speeds reaching 45-55 km / h, with gusts of 65 km / h, as of Monday.
Wind speed is expected to reach 80-90 km / h, with gusts of 100 km / h, over the southwest of the Bay of Bengal and along and off the coast of Tamil Nadu and Puducherry and the Gulf of Mannar on Wednesday.
Senior meteorologist YEA Raj said that in the past 50 years, 11 systems had been developed where the current one was forming and nine of them crossed the state’s coast. But not all of them became cyclones; some remained deep depressions. None of them developed beyond the severe cyclones.
Also read: Forecast of heavy rains until November 18
“This system is expected to turn north. Given that the rains from this monsoon are 23% deficient, this system is likely to bring a decent amount of rainfall and cover the deficit, ”he said.
Weather blogger Pradeep John said Monday would shed more light on the cyclone’s movement and where it would cross the coast. “The city is going to receive rain, we know, but how much we are going to get depends on how close it will cross,” he said.
“We can expect the rains over the state to start from Tuesday. American model says he would be stronger than Thane [cyclone] and shows rainfall of around 200-300mm per day. We can definitely expect extreme rains in some places. It looks like a rain-filled system. Since this is the northeast monsoon, the north side of the cyclone will bring more bands of rain, ”the official said.
Meanwhile, quelling Chennai residents’ doubts about the opening of the reservoirs, official sources from the Department of Public Works said they were closely monitoring various reservoirs around Chennai and tanks upstream. “Adequate precautionary measures have been taken. We are confident in handling any emergency, ”said an official. A former official said the reservoirs would not be a problem. “Only if the rain exceeds 50 cm, could there be a problem,” he said.
With the meteorological department forecasting a very rough sea in these regions, fishermen have been warned not to go out to sea until after Thursday.
Fisheries Department sources said that based on the formal notices issued by the districts, messages have been relayed to the owners of all the vessels. “It has been recommended that traditional boats and mechanized boats remain on land. Meetings have been held with various associations, ”said an official.
“All the trawlers that went to sea from Chennai port have returned and some multi-day fishing boats, especially gillnet boats, that left Chennai port are in transit and expected to arrive. to Chennai or ports near them soon. They are in northern waters and their movement is being monitored, ”said the official.
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