First published Oct 20, 2026, 6:15:15 AM UTC · Last updated Oct 20, 2026, 6:15:15 AM UTC

Thunderstorms and lightning

Thunderstorm This Afternoon in Kep. Riau

Reported by Indonesia BMKG Weather Alerts

A forecast identifies thunderstorms and heavy rainfall across listed localities in Kepulauan Riau from 12:17 to 14:00 WIB on 20 October 2026. It warns of reduced visibility, strong winds and localized flooding, and advises vigilance and precautions.

At a glance

Affected location: Kepulauan Riau

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Why it matters

The forecast calls for prompt precautions during a short period of potentially hazardous weather in the named area.

Location

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Highlighted marker: this event.

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 Kep. RiauBMKG — Indonesian Agency for Meteorology, Climatology, and Geophysics

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Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Nearby · within 200 km
Thunderstorm This Morning in Kep. RiauOct 20, 2026, 3:32 AM UTC
3 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm Tonight in Kep. RiauOct 19, 2026, 1:39 PM UTC
Thunderstorms and heavy rainfall were forecast to begin at 20:50 WIB on 19 October 2026 in parts of Kepulauan Riau, especially Jemaja Timur, with conditions expected to improve by 23:00 WIB. The forecast cited reduced visibility, strong winds, and localized flooding, and advised the public to limit outdoor activities and take precautions.
Nearby · within 200 km
Thunderstorm This Afternoon in Kep. RiauOct 19, 2026, 7:45 AM UTC
3 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm This Morning in Kep. RiauOct 19, 2026, 1:08 AM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm This Afternoon in Kep. RiauOct 18, 2026, 5:51 AM UTC
Thunderstorms and heavy rain are forecast in parts of Kepulauan Riau on 18 October 2026, from 14:55 to 17:15 WIB. The forecast names areas including Bunguran Barat, Galang and Jemaja.
Nearby · within 200 km
Thunderstorm This Morning in Kep. RiauOct 17, 2026, 11:20 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.

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