Yesterday Morning’s Low Pressure Area over central parts of Andaman Sea with the associated cyclonic circulation extending upto 5.8 km above mean sea level persists. It is likely to move westnorthwestwards and become well marked over north Andaman Sea & adjoining Southeast Bay of Bengal by 15th November. Thereafter it is likely to continue to move west–northwestwards across eastcentral & adjoining southeast Bay of Bengal, concentrate into a Depression over westcentral Bay of Bengal by 17th November and reach near south Andhra Pradesh coast around 18th November 2021.
Morning’s trough from the cyclonic circulation over southeast Arabian sea to southwest Bay of Bengal across north Kerala and cyclonic circulation over South Interior Karnataka & adjoining north Interior Tamilnadu and extends upto 3.1 km above mean sea level persists.
WEATHER FORECAST FOR TAMILNADU AND PUDUCHERRY
- Thunderstorm with light/moderate rain is likely to occur at many places over Tamilnadu.
- Thunderstorm with heavy to very heavy rain is likely to occur at isolated places over Kanyakumari, Nilgiris, Theni, Dindigul and Tiruppur districts of Tamilnadu.
- Thunderstorm with heavy rain is also likely to occur at isolated places over Erode, Tirupattur, Vellore, Ranipet, Tiruvannamalai, Kallakurichi, Villupuram, Coimbatore,
- Salem, Dharmapuri, Cuddalore, Ariyalur, Perambalur, Mayiladuthurai, Chengalpattu, Kancheepuram districts of Tamilnadu, Puducherry & Karaikal.
HEAVY RAINFALL WARNING
Today (15.11.2021): Heavy to very heavy rain is likely to occur at isolated places over Kanyakumari, Nilgiris, Theni, Dindigul and Tiruppur districts of Tamilnadu. Heavy rain is also likely to occur at isolated places over Erode, Tirupattur, Vellore, Ranipet, Tiruvannamalai, Kallakurichi, Villupuram, Coimbatore, Salem, Dharmapuri, Cuddalore, Ariyalur, Perambalur, Mayiladuthurai, Chengalpattu, Kancheepuram districts of Tamilnadu, Puducherry & Karaikal.
Tomorrow (16.11.2021): Heavy rain is likely to occur at isolated places over Nilgiris, Tiruppur, Dindigul, Vellore, Ranipet, Tirupattur, Tiruvannamalai, Dharmapuri, Salem, Namakkal, Ariyalur, Perambalur, Cuddalore, Thanjavur, Tiruchirappalli and Pudukottai districts of Tamilnadu.
Reference: http://imdchennai.gov.in/tn_fc.pdf
http://www.imdchennai.gov.in/hrw_district.htm