Chennai: In Tamil Nadu, heavy to very heavy rain with thunderstorms may occur today, Tuesday (Oct. 20), at one or two places in 10 districts — Chennai, Tiruvallur, Chengalpattu, Cuddalore, Villupuram, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, and Ramanathapuram — as well as in Puducherry and Karaikal.
In addition, the Chennai Meteorological Department has said that very heavy rain may occur tomorrow (Oct. 21) at one or two places in 3 districts, including Thoothukudi, and heavy rain may occur in 19 districts.
Regarding this, the press release issued by senior official and scientist V.R. Durai of the Chennai Meteorological Department states: In the past 24 hours, moderate rain has occurred in many places across Tamil Nadu, as well as in Puducherry and Karaikal. The highest rainfall recorded was 9 cm in Amaravathi Pudur, Sivaganga district.
An atmospheric circulation persists over the southwest Bay of Bengal and adjoining Tamil Nadu coastal areas. As a result, there is a possibility that a low-pressure area may form in the same region within the next 24 hours.
Furthermore, a low-pressure trough extends from the cyclonic circulation prevailing over the southwest Bay of Bengal and adjoining Tamil Nadu coastal areas to the north coastal Andhra Pradesh region.
As a result, heavy to very heavy rain accompanied by thunder may occur at one or two places in 10 districts—Chennai, Tiruvallur, Chengalpattu, Cuddalore, Villupuram, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, and Ramanathapuram—as well as in Puducherry and Karaikal today, Tuesday (Oct. 20).
Heavy rain with thunderstorms may occur in 12 districts: Ranipet, Kanchipuram, Kallakurichi, Tiruchirappalli, Ariyalur, Perambalur, Pudukkottai, Sivaganga, Tenkasi, Thoothukudi, Tirunelveli, and Kanyakumari. Moderate rain may occur in many places in the rest of Tamil Nadu.
On Oct. 21, heavy to very heavy rain may occur at one or two places in the districts of Thoothukudi, Tirunelveli, and Kanyakumari. Heavy rain may also occur at one or two places in 19 districts — Nilgiris, Coimbatore, Erode, Tiruppur, Namakkal, Karur, Theni, Dindigul, Tenkasi, Madurai, Virudhunagar, Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Pudukkottai, Sivaganga, and Ramanathapuram — as well as in Karaikal. Moderate rain may occur at many places in the rest of Tamil Nadu.
On Oct. 22, heavy to very heavy rain may occur at one or two places in 6 districts: Thoothukudi, Tirunelveli, Kanyakumari, Tenkasi, Virudhunagar, and Ramanathapuram. Heavy rain may also occur at one or two places in 14 districts: Nilgiris, Coimbatore, Theni, Dindigul, Madurai, Sivaganga, Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Ariyalur, Cuddalore, and Viluppuram, as well as in Puducherry and Karaikal. In the rest of Tamil Nadu, moderate rain may occur in many places.
On Oct. 23, heavy rain may occur at one or two places in 25 districts: Nilgiris, Coimbatore, Erode, Salem, Namakkal, Karur, Tiruchirappalli, Theni, Tenkasi, Dindigul, Madurai, Virudhunagar, Sivaganga, Pudukkottai, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Ramanathapuram, Thoothukudi, Tirunelveli, Kanyakumari, Ariyalur, Cuddalore, and Villupuram, as well as in Puducherry and Karaikal.
On Oct. 24, heavy rain may occur at one or two places in 20 districts — Nilgiris, Coimbatore, Tiruppur, Erode, Tiruchirappalli, Tiruvannamalai, Ariyalur, Perambalur, Pudukkottai, Madurai, Dindigul, Cuddalore, Villupuram, Kallakurichi, Thanjavur, Tiruvarur, Nagapattinam, Mayiladuthurai, Sivaganga, and Kanyakumari — as well as in Puducherry and Karaikal.
In Chennai and suburban areas, the sky will generally remain cloudy on Tuesday and Wednesday (Oct. 20, 21). There is a possibility of moderate to heavy rain in a few parts of the city.
Warning for fishermen: Strong cyclonic winds will blow over the Andaman Sea areas on Oct. 23 and 24, and over the Kerala-Karnataka coastal areas and the Lakshadweep areas on Oct. 22 and 23. Therefore, fishermen have been advised not to go to these areas on the above-mentioned dates.