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Heavy Rains Lash Chennai As Northeast Monsoon Activates Across Tamil Nadu
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News18•18-10-2026, 09:45
Heavy Rains Lash Chennai As Northeast Monsoon Activates Across Tamil Nadu
- •Heavy rains lashed Chennai and neighbouring districts, marking the first spell of the northeast monsoon.
- •North Chennai recorded between 6 cm and 10 cm of rainfall in less than an hour, causing waterlogging and traffic disruptions.
- •Uthiramerur in Kancheepuram district received the maximum rainfall of 15 cm over a 24-hour period.
- •The heavy downpour is driven by an upper-air cyclonic circulation and a trough extending towards the Bay of Bengal.
- •The India Meteorological Department issued a yellow alert for 17 districts, including Chennai, valid until October 23.
Key Questions Answered
The heavy rainfall was driven by an upper-air cyclonic circulation over north Tamil Nadu and coastal Andhra Pradesh, along with a trough extending from Lakshadweep to the southwest Bay of Bengal.
Uthiramerur in Kancheepuram district received the maximum rainfall of 15 cm, followed by Manalurpet in Kallakurichi with a 12 cm downpour.
The India Meteorological Department has issued a yellow alert for 17 districts, including Chennai, until October 23, indicating expected rainfall between 6 cm and 11 cm.
