First published 9/23/2026, 9:07:15 AM · Last updated 9/23/2026, 9:07:15 AM

気象警報・注意報（Ｈ２７）

Japan Meteorological Agency warning for Chiba Prefecture: advises attention for landslides (土砂災害) and dense fog causing reduced visibility (濃霧). It notes inundation of low-lying land in the northwest and rising rivers in the northeast. Dense fog warnings are listed for 東葛飾, 千葉市, 銚子市, 市川市, 船橋市, 松戸市, 野田市, 成田市.

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: 7/10How 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 JMA alert identifies multiple hazards (landslides, dense fog, low-land inundation, river rising) across named municipalities in Chiba Prefecture, indicating risks to visibility, flooding, and slope stability in those areas.

Location

Sources

気象警報・注意報（Ｈ２７）

Report an issue