Friday, December 30, 2011: The cyclonic storm Thane has moved westwards and lay centred about 130 km east of Puducherry and 150 km southeast of Chennai, the weather office said on Thursday night. The system is likely to move westwards and cross north Tamil Nadu coast between Nagapattinam and Chennai, close toPuducherry around early morning of Friday, a weather bulletin said.
Under the influence of this system, north Tamil Nadu and Puducherry would experience isolated extremely heavy rainfall of 25 cm or more, while isolated heavy to very heavy rainfall would occur over south coastal Andhra Pradesh and Rayalseema in the next 36 hours beginning 2030 hrs, it said.
Isolated heavy rainfall would occur over south Tamil Nadu.
Gale winds speed reaching 110-120 kmph gusting to 135 kmph is likely along and off north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts during next 24 hours.
Storm surge of about 1-1.5 metre height above the astronomical tide would inundate the low lying areas of Puducherry and Chennai, Tiruvallur, Kanchipuram and Villupuram districts of north Tamil Nadu at the time of landfall.
“Sea condition is phenomenal along and off north Tamil Nadu, Puducherry and adjoining south Andhra Pradesh coasts. Fishermen along north Tamil Nadu, Puducherry & south Andhra Pradesh coasts are advised not to venture into sea during next 24 hrs,” it said.
The system is likely to maintain its intensity for 12 hours even after landfall and weaken gradually.Under its influence rainfall at most places with heavy to very heavy falls at a few places and isolated extremely heavy fall is likely to continue over north Tamil Nadu and Puducherry in next 24 hours.
Gale or squally wind speed reaching 80-90 kmph gusting to 100 kmph is likely over north Tamil Nadu and Puducherry during 12 hours after the landfall.
No comments:
Post a Comment