The Regional Meteorological Centre has forecast heavy rainfall and strong thunderstorms across seven Tamil Nadu districts on Monday.
Atmospheric disturbances continue to trigger severe weather conditions throughout the southern coastal state.
Weather officials expect Thanjavur, Tiruvarur, Mayiladuthurai, Nagapattinam, Pudukkottai, Sivaganga, and Ramanathapuram to face heavy downpours at isolated places.
Forecasters also issued a similar rain alert for the neighboring Karaikal region of Puducherry.
An atmospheric circulation over the Comorin Sea currently drives these intense regional weather patterns.
A persistent weather trough extending toward the east-central Arabian Sea further amplifies atmospheric instability.
These combined weather systems will generate widespread thunderstorms, dangerous lightning, and sudden gusty winds across multiple regions.
The meteorological centre has warned that strong winds will hit isolated areas in the Nilgiris and Coimbatore districts.
Similar stormy conditions will also affect Tiruppur, Virudhunagar, Dindigul, Madurai, and Theni districts throughout the day.
Southern districts including Thoothukudi, Tenkasi, Tirunelveli, and Kanniyakumari can also expect intense isolated showers.
Meanwhile, light rainfall will cover other remaining parts of Tamil Nadu and Puducherry at a few places.
Chennai and its surrounding urban suburbs will experience generally cloudy skies throughout the entire day.
Local weather offices expect light rain or brief thundershowers at isolated locations across the capital region.
This latest weather warning follows heavy precipitation recorded across northern Tamil Nadu over the past 24 hours.
Parimunai and Maduravoyal in Chennai recorded the state’s highest rainfall measuring nine centimeters by Sunday morning.
Nungambakkam, Tondiarpet, and Kayalpattinam each recorded approximately eight centimeters of rainfall during the exact same period.
The continuous precipitation has created unstable atmospheric conditions across several key coastal and interior districts.
Forecasters indicate that heavy rainfall activity will remain heavily concentrated within the Cauvery delta districts.
Intermittent thunderstorms will likely continue to strike adjoining coastal areas throughout the upcoming hours.
Meteorologists advise residents in high-risk districts to exercise extreme caution during heavy winds and dangerous lightning strikes.
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