Chennai: The northeast monsoon is likely to begin in Tamil Nadu today. As a result, the Meteorological Department has said that heavy rain may occur in 19 districts today.
In this regard, the Chennai Meteorological Department said in a press release:
Conditions are developing for the southwest monsoon to completely withdraw from the rest of the country today. At the same time, favorable conditions are being seen for the northeast monsoon to begin today in the southern parts of South India.
Furthermore, an atmospheric circulation persists over central Kerala and adjoining areas at an altitude of about 4.5 km. Another atmospheric circulation persists over the Kanyakumari Sea areas and adjoining areas up to an altitude of about 1.5 km.
From the atmospheric circulation prevailing over the Kanyakumari Sea areas, a low-pressure trough extends up to about 1.5 km in altitude through the Mannar Gulf, the southwest Bay of Bengal areas, and to the northwest Bay of Bengal areas off the Odisha coast.
As a result, today in Tamil Nadu, heavy to very heavy rain is likely at one or two places in the districts of Nilgiris, Coimbatore, Theni, and Virudhunagar. Heavy rain is also likely at one or two places in the delta districts of Thanjavur, Tiruvarur, Nagapattinam, and Mayiladuthurai, as well as in Cuddalore, Tenkasi, Kanniyakumari, Kallakurichi, Salem, Tiruchirappalli, Kanchipuram, Chengalpattu, Ranipet, Tiruppur, and Dindigul districts. Moderate rain is likely in most places in the other districts.
On the 16th (tomorrow), heavy rain may occur at one or two places in the Nilgiris, Coimbatore, Erode, Tiruppur, Dindigul, Theni, Virudhunagar, Tenkasi, Kanniyakumari, Ramanathapuram, Sivagangai, Tiruchirappalli, Namakkal, Dharmapuri, Krishnagiri, Salem, Tiruvannamalai, Kallakurichi, Viluppuram, Chengalpattu, Kanchipuram, Chennai, Tiruvallur, Ranipet, Cuddalore, and the delta districts, while moderate rain may occur at most places in the other districts. In Chennai and the suburban areas, the sky will remain cloudy today. There is a possibility of moderate rain in some parts of the city.
In the 24 hours until 8:30 a.m. yesterday, the highest rainfall was 5 cm in Kodiyakkarai, Nagapattinam district; Pamban in Ramanathapuram district; Virudhunagar; and Gummidipoondi in Tiruvallur district.
In Nagapattinam district, 4 cm was recorded in Thirupoondi; 3 cm each in Puducherry, Tiruchendur in Thoothukudi district, and Palamore in Kanyakumari district. It was stated thus in the report.