The well-marked low pressure area over southwest Bay of Bengal and adjoining Equatorial Indian Ocean has moved north-northwestwards and concentrated into a depression, the India Meteorological Department (IMD) said on Thursday.
The system is about 420 km east-northeast of Trincomalee (Sri Lanka), 600 km south-southeast of Nagappattinam (Tamil Nadu) and 690 km southeast of Chennai (Tamil Nadu).
“It is likely to continue to move north-northwestwards during the next 24 hours and thereafter gradually recurve west-southwestwards towards Comorin Area across Sri Lanka during subsequent 48 hours,” said IMD.
Weather Forecast and Warning
Light to moderate rainfall at many places with heavy rainfall at isolated places is likely over south coastal Tamil Nadu on December 25 and 26, 2022. Light to moderate rainfall at a few places with heavy rainfall at isolated places is likely over south Kerala on December 26, 2022.
Southwest Bay of Bengal along & off Tamil Nadu and Sri Lanka coasts: Squally wind speed reaching 45-55 kmph gusting to 65 kmph is likely to prevail till December 25 morning becoming 40-50 kmph gusting to 60 kmph till 26th morning and decrease thereafter.
Adjoining areas of southeast & westcentral Bay of Bengal: Squally weather with wind speed reaching 40-50 kmph gusting to 60 kmph is likely to prevail till December 24 morning and decrease thereafter.
Fishermen are advised not to venture into Southwest Bay of Bengal and along & off Sri Lanka coast during 22nd – 25th December. Gulf of Mannar and Comorin Area along & off south Tamil Nadu and west Sri Lanka coasts during 23rd-26th December.