The India Meteorological Department (IMD) in its weather bulletin warned of deep depression over southwest Bay of Bengal. The weather agency issued an orange alert for heavy rainfall on Tuesday in Tiruvarur, Nagapattinam, Mayiladuthurai and Cuddalore districts of Tamil Nadu, Puducherry and Karaikal area.
The prevailing weather system is expected to bring heavy to very rainfall at isolated places over Tamil Nadu on 10 January and heavy rainfall at isolated places over the same region on 11 January, IMD said.
The Meteorological Department also issued a yellow alert for Chennai, Chengalpattu, Tiruvallur, Kancheepuram, Villupuram, Kallakurichi, Ariyalur, Thanjavur, Pudukkottai and Ramanathapuram districts of Tamil Nadu. Moreover, IMD’s yellow alert for thunderstorm and lightning is in place today over Tamil Nadu, Puducherry and Karaikal area.
As per the latest location of the deep depression, it lay centered near “latitude 8.5°N and longitude 82.2°E, about 100 km north-northeast of Batticaloa (Sri Lanka),100 km east of Trincomalee (Sri Lanka), 180 km north-northeast of Pottuvil (Sri Lanka), 370 km southeast of Karaikal (Puducherry) and 550 km south-southeast of Chennai (Tamil Nadu).
IMD warns of rough sea and strong surface wind
Strong surface wind of around 35-45 kmph is likely over Coastal Tamil Nadu, Puducherry and Karaikal area under the influence of the current atmospheric conditions. IMD forecasted that the deep depression will weaken into a depression during its northwestwards movement. The depression is likely to cross north Sri Lanka coast between Trincomalee and Jaffna around noon or afternoon today.
Predicting rough sea condition, IMD warned of “squally weather with wind speed reaching 40 – 50 gusting to 60 kmph is very likely to prevail till 10th evening. It would gradually decrease thereafter. Squally weather with wind speed reaching 35-45 gusting to 55 kmph is very likely to prevail along and off North Tamil Nadu & Puducherry coasts on 10th January and decrease. thereafter.”
