Northeast Monsoon Expected to Begin in Tamil Nadu on October 15
12 Oct 2026Updated 2 hr ago1 source
AI translation — this coverage was originally reported in Tamil; the translation may contain errors. Read the original reports below.
The India Meteorological Department announced that the Southwest Monsoon will withdraw in the next two to three days, paving the way for the Northeast Monsoon to start on October 15. According to weather expert Hemachandar, a low-pressure area forming over the Bay of Bengal will trigger rainfall starting in the Cauvery Delta on October 14 before spreading statewide.
NIKAN Intelligence
What happened
The Southwest Monsoon is in its withdrawal phase, and the Northeast Monsoon is forecasted to commence over Tamil Nadu, Puducherry, and Kerala around October 15. A low-pressure system is expected to develop over the Bay of Bengal, steering rain-bearing winds toward the coast.
Why it matters
The Northeast Monsoon is the primary source of rainfall for Tamil Nadu. Its timely onset is critical for agricultural activities and replenishing reservoirs after a period of intense heat and below-average precipitation.
What we know
- The Southwest Monsoon will fully withdraw in the next 2 to 3 days.
- The Northeast Monsoon is expected to begin on October 15.
- A low-pressure area is anticipated to form over the south-central Bay of Bengal within 36 hours.
- Rain is predicted to hit the Cauvery Delta first on October 14, followed by coastal districts and Chennai, then interior districts by October 16.
What we don't know
- The exact intensity of the upcoming low-pressure system.
- Whether any specific districts will face extreme flooding or severe weather warnings beyond moderate to heavy rainfall.
What's next
The formation of the low-pressure area around October 13-14 and the anticipated start of monsoon rains on October 15.
Generated by NIKAN's analysis engine from the cited reports only. Nothing here is invented; gaps are shown as unknowns. Always read the original coverage linked below.
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AI translation — may contain errors
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