Yesterday’s Low Pressure Area over Southeast Bay of Bengal now lies over Southeast & adjoining Southwest Bay of Bengal with the associated cyclonic circulation extending upto 5.8 km above mean sea level. Yesterday’s trough from the cyclonic circulation associated with low pressure area over Eastcentral Arabian Sea off Karnataka coast to the Low Pressure Area over Southeast Bay of Bengal now runs from the cyclonic circulation associated with the low pressure area over Eastcentral Arabian Sea off Goa-south Maharashtra coasts to south Tamil Nadu and extends upto 4.5 km above mean sea level.
WEATHER FORECAST FOR TAMILNADU AND PUDUCHERRY
Thunderstorm with heavy to very rain is likely to occur at isolated places over Tiruvallur, Chennai, Kancheepuram, Thoothukudi, Ramanathapuram, Villupuram, Cuddalore and Chengalpattu districts of Tamilnadu & Puducherry. Thunderstorm with heavy rain is likely to occur at isolated places over Madurai, Sivaganga, delta districts, Tiruvannamalai, Salem, Virudhunagar, Pudukottai, Perambalur, Kallakurichi, Theni, Dindigul, Karur, Tiruchirapalli, Thenkasi, Ariyalur districts of Tamilnadu, Puducherry & Karaikal area. Moderate rain is also likely to occur at most places over rest districts of Tamilnadu.
HEAVY RAINFALL WARNING
Today (17.11.2021): Heavy to very rain is likely to occur at isolated places over Tiruvallur, Chennai, Kancheepuram, Thoothukudi, Ramanathapuram, Villupuram, Cuddalore and Chengalpattu districts of Tamilnadu & Puducherry. Heavy rain is likely to occur at isolated places over Madurai, Sivaganga, delta districts, Tiruvannamalai, Salem, Virudhunagar, Pudukottai, Perambalur, Kallakurichi, Theni, Dindigul, Karur, Tiruchirapalli, Thenkasi, Ariyalur districts of Tamilnadu, Puducherry & Karaikal area.
Tomorrow (18.11.2021): heavy to very heavy with isolated extremely heavy rain is likely to occur over Tiruvallur, Chennai, Kancheepuram and Ranipettai districts of Tamilnadu. Heavy to very heavy rain is likely to occur at isolated places over Tiruvannamalai, Villupuram, Cuddalore, Chengalpattu, Tirupattur and Vellore districts of Tamilnadu. Heavy rain is likely to occur at isolated places over Salem, Dharmapuri, Krishnagiri, Kallakurichi and Puducherry.
THUNDERSTORM WARNING:
Day 1(17.11.2021) to Day 5 (21.11.2021): Thunderstorm with lightning is likely to occur at isolated places over Tamil Nadu, Puducherry and Karaikal area.
LOCAL FORECAST FOR CHENNAI CITY AND NEIGHBOURHOOD:
For next 24 HRS: Sky condition is likely to be generally cloudy. Heavy to very heavy rain is likely to
occur at isolated places. Maximum and minimum temperature is likely to be around 30 ˚C and 24 ˚C respectively
Reference:
http://imdchennai.gov.in/tn_fc.pdf
http://www.imdchennai.gov.in/hrw_district.htm