First published Oct 21, 2026, 6:12:15 AM UTC · Last updated Oct 21, 2026, 6:12:15 AM UTC

Thunderstorms and lightning

Thunderstorm This Afternoon in Sumatera Barat

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall were forecast to begin at 12:30 WIB on 21 October 2026 in parts of Sumatera Barat, including IV Jurai, IV Nagari Bayang Utara, and Koto XI Tarusan. The forecast noted possible reduced visibility, strong winds, and localized flooding, with conditions expected to improve by 14:30 WIB.

At a glance

Affected location: Sumatera Barat

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Why it matters

The forecast advises people in the named areas to remain vigilant, limit outdoor activities, and take precautions.

Location

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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: 3/10How 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).
Urgency: 8/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

Indonesia BMKG Weather Alerts Thunderstorm This Afternoon in Sumatera BaratBMKG — Indonesian Agency for Meteorology, Climatology, and Geophysics

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Thunderstorm This Morning in Sumatera BaratOct 21, 2026, 1:42 AM UTC
Thunderstorms and heavy rainfall are forecast from 08:52 to 10:30 WIB on 21 October 2026 in parts of Sumatera Barat, including seven named districts. The advisory warns of possible reduced visibility, strong winds, and localized flooding.
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An official forecast says thunderstorms and heavy rainfall may affect parts of Sumatera Barat from 06:00 to 08:30 WIB on 21 October 2026, with possible reduced visibility, strong winds, and localized flooding. The public is advised to remain vigilant, limit outdoor activities, and take precautions.
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