First published Oct 16, 2026, 9:14:15 PM UTC · Last updated Oct 16, 2026, 9:14:15 PM UTC

Thunderstorm Tonight in Sumatera Utara

Thunderstorms and heavy rainfall are forecast from 04:00 to 07:00 WIB on 17 October 2026 in parts of Sumatera Utara. The alert warns of possible reduced visibility, strong winds, and localized flooding, and advises vigilance and limiting outdoor activities.

Why it matters

The forecast covers multiple localities in Sumatera Utara and includes a public safety advisory.

Location

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: 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).
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).

Primary official sources

Indonesia BMKG Weather Alerts Thunderstorm Tonight in Sumatera UtaraBMKG — Indonesian Agency for Meteorology, Climatology, and Geophysics

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