First published 9/21/2026, 10:22:15 PM · Last updated 9/21/2026, 10:22:15 PM

Moderate Rain with Thunderstorm and Lightning is very likely to occur at a few places over Chennai in next 3 hours.

IMD-Chennai issued a bulletin saying moderate rain with thunderstorm and lightning is very likely at a few places over Chennai district of Tamil Nadu within the next 3 hours. The excerpt states: Issuer: IMD-Chennai; Please follow SDMA guidelines; Area: Chennai district of Tamil Nadu; Severity: Severe; Urgency: Expected.

Categories: severe-weather-and-natural-disasters

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 6/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 2/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 7/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

An official IMD-Chennai warning classed the event as 'Severe' for the Chennai district and directs people to follow SDMA guidelines, indicating an immediate local weather hazard for residents of Chennai.

Location

Sources

Moderate Rain with Thunderstorm and Lightning is very likely to occur at a few places over Chennai in next 3 hours.

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