Chennai
oi-Prakash KL
Chennai and several parts of Tamil Nadu are likely to receive heavy rain over the next three days, with the Regional Meteorological Centre (RMC) issuing a yellow alert for the state capital on Monday, October 19.
The weather department has forecast heavy rain at isolated places in 21 districts on Monday, including Chennai, Tiruvallur, Kancheepuram and Chengalpattu.
Tamil Nadu, including Chennai, is forecast to receive heavy rain over the next three days from October 19, with the Regional Meteorological Centre issuing yellow and orange alerts for various districts due to a cyclonic circulation over the Bay of Bengal.
While seven districts are under an orange alert for heavy to very heavy rain, the remaining 14 districts, including the Tamil Nadu capital, are under a yellow alert.
Chennai and the neighbouring districts are expected to get heavy rains on Tuesday as well, with the RMC forecasting heavy showers in 22 districts across Tamil Nadu.
Chennai, Tiruvallur, Kancheepuram and Chengalpattu are among the districts under a yellow alert. Seven other districts are under an orange alert.
On Wednesday, the focus of the heavy rain forecast is expected to shift towards southern Tamil Nadu, with 15 districts under a yellow alert. The list includes Kanyakumari, Tirunelveli, Thoothukudi, Ramanathapuram, Tenkasi, Virudhunagar, Theni, Dindigul, Madurai, Sivagangai, Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam and Mayiladuthurai.
What Is Causing Rain In Chennai?
In its daily bulletin, the RMC said that an upper air cyclonic circulation over the west-central Bay of Bengal and adjoining coastal areas of Andhra Pradesh and Tamil Nadu has shifted over the southwest Bay of Bengal, off the north Tamil Nadu coast.
The circulation extends up to 5.8 km above mean sea level. A trough associated with the system also extends over the southwest Bay of Bengal off the north Tamil Nadu coast, supporting the likelihood of rainfall across parts of the state.
Rainfall Recorded Across Tamil Nadu
Rainfall was recorded at isolated places across Tamil Nadu in the 24 hours ending at 8.30 am on Monday. Puducherry also received light rain, while Karaikal remained dry.
Periyanaickenpalayam in Coimbatore district recorded the highest rainfall at 184 mm.
Maximum temperatures fell by 2-3 degrees Celsius at a few places across Tamil Nadu and Puducherry, while there was no significant change elsewhere in Tamil Nadu and Karaikal. Temperatures were around normal in most places, although isolated locations in Tamil Nadu recorded maximum temperatures about 2 degrees Celsius below normal.
Palayamkottai recorded the highest maximum temperature in Tamil Nadu at 34.1 degrees Celsius. Coimbatore Airport registered the lowest minimum temperature in the state’s plains at 22.6 degrees Celsius, while Kodaikanal recorded 12.9 degrees Celsius in the hill areas, the press release from the weather agency said.
