Gale winds speed reaching 60-70 kmph gusting to 80 kmph is very likely to move over & around Lakshadweep Islands during next 12 hours and increase thereafter.
5 Navy ships have been deployed from Kochi, two ships are on standby in Lakshadweep.
Over 270 fishermen have not returned to the Thiruvananthapuram coast, triggering widespread panic in the coastal belt.
The navy has deployed four ships and two aircraft to assist in the search and rescue of fishermen onboard six boats and a marine engineering vessel reported to be missing near Vizhinjam. The system also had the potential of intensifying into a cyclonic storm around the latter part of the first week of December. The IMD recorded an "isolated very heavy rainfall" of 15 cm in Aryankavu in Kollam district.
Collector K.S. Kandasamy has declared a holiday for schools in Tiruvannamalai district due to heavy rain.
Southern Kerala on Thursday afternoon was lashed by heavy rain and strong winds, causing trees to be uprooted at several places in Thiruvananthapuram and Kollam districts that blocked traffic. Hence, schools in Chennai, Kanyakumari, Tuticorin, Kancheepuram, Villupuram, Madurai, Theni, Thanjavur and Thiruvarur will remain closed today.
Heavy showers are likely to continue for the next 24 hours. Squally winds speed reaching 55-65 km gusting to 75 km/hour likely along and off Kerala coast.
A deep depression in the Bay of Bengal near Tamil Nadu has turned into a cyclone named Ockhi. Fishermen in the southern part of these states have also been advised not to venture into sea for 24 hours.