The State might proceed to expertise moist climate for the following six days (File photograph)

Two prevailing climate techniques near the Tamil Nadu area are anticipated to affect heavy rainfall throughout many districts until October 13. The Regional Meteorological Centre (RMC) has issued an orange warning, indicating the potential of remoted very heavy rainfall over Nilgiris district on Saturday.

While the northeast monsoon is prone to arrive round October 16-18, the RMC has famous that districts like Tirunelveli and Tenkasi in excessive southern T.N. might expertise below-normal rainfall in the course of the upcoming season. In distinction, northern districts might obtain above-normal rainfall, in response to the long-range forecast.

The State might proceed to expertise moist climate for the following six days. On Saturday, heavy rainfall might cowl 10 districts, together with Tiruppur, Coimbatore, Sivaganga, and Salem.

Two higher air cyclonic circulations- one over north coastal T.N. and one other over north coastal Andhra Pradesh and neighbourhood- would carry rainfall to a number of elements of the State.

Officials of the RMC famous that simultaneous withdrawal of southwest monsoon and onset of easterly/ northeasterly winds that herald the NE monsoon are doubtless between October 16 and 18.

B. Amudha, Head (Additional in-charge), RMC stated prior to now 15 years, Tamil Nadu has recorded above regular NE monsoon in most years besides for 2. This yr, NE monsoon over T.N., Puducherry, and Karaikal is predicted to be regular to above-normal, with a seasonal rainfall of 44 cm-50 cm.

Rainfall has been poor in some districts, together with Chengalpattu, Pudukottai, and Kanniyakumari, for the reason that begin of October.

On the forecast of cloudbursts, Ms. Amudha famous that rainfall of about 10 cm obtained inside an hour over a selected space qualifies as cloudburst. While the precise quantum of rainfall notably throughout intense thunderstorm exercise can’t all the time be predicted with 100% accuracy, the rainfall depth was moderately forecast throughout latest occasions in Chennai.

The RMC has forecast thunderstorms, which is typical in the course of the transition section between monsoons, to happen in some areas of Chennai on Saturday.

Published – October 11, 2025 05:30 am IST