First published 9/23/2026, 7:37:15 AM · Last updated 9/23/2026, 7:37:15 AM

JMA thunder advisory for Kamikawa and Rumoi regions

The Japan Meteorological Agency issued a 雷注意報 (thunder advisory) for 上川 (Kamikawa) and 留萌 (Rumoi) regions warning: 竜巻などの激しい突風や急な強い雨、落雷に注意してください (beware of tornadoes/violent gusts, sudden heavy rain, and lightning). The advisory lists subregions: 上川地方, 上川北部, 上川中部, 上川南部, 留萌北部, 留萌中部, 留萌南部.

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: 8/10How 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).

Why it matters

The official JMA advisory explicitly warns of tornadoes or violent gusts, sudden heavy rain, and lightning for multiple subregions—conditions that the source advises people in the named areas to watch for now.

Location

Sources

気象警報・注意報（Ｒ０６）（その他注意報）

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