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Cyclone Nilam likely to cross north TN, south AP coast by Wednesday evening
New Delhi, October 30, 2012
The cyclonic storm Nilam is expcted to cross north Tamil Nadu and adjoining south Andhra Pradesh coast between Cuddalore and Nellore near Chennai by tomorrow evening, the India Meteorological Department (IMD) said.
The storm remained practically stationary and lay centred at 1430 hours today near latitude 9.5 degrees North and longitude 82 degrees East and would move north-northwestwards, a bulletin from the IMD, issued at 1730 hours, said.
Under the influence of this system, rainfall at most places, with isolated heavy to very heavy rainfall, would occur over coastal Tamil Nadu and Puducherry during the next 12 hours, it said.
The intensity of rainfall would increase thereafter, with scattered heavy to very heavy rainfall and isolated extremely heavy rainfall (25 cm or more) for the subsequent 24 hours, the bulletin said.
According to it, squally winds, with speed reaching 45-55 kmph gusting to 65 kmph, would prevail along and off north Tamil Nadu, Puducherry and south Andhra Pradesh coasts during the next 12 hours.
The wind speed would gradually increase thereafter as the system comes closer to the coast, it said.
The bulletin said the sea conditions would be very rough to high along and off north Tamil Nadu, Puducherry and south Andhra Pradesh coasts during the next 48 hours.
Fishermen along north Tamil Nadu, Puducherry and south Andhra Pradesh coasts have advised not to venture into the sea.
A storm surge of about 1 to 1.5 metres over the astronomical tide is likely to inundate the low-lying areas of Chennai, Kanchipuram and Tiruvallur of Tamil Nadu and Nellore district of Andhra Pradesh.
As the cyclone approaches the coast, it is expected to cause damage thatched huts and uproot small trees and break tree branches, causing minor damage to power and communication lines at the time of landfall.
"The system is under constant surveillance and the concerned state Governments are being warned," the bulletin added.