First published 9/23/2026, 8:10:15 AM · Last updated 9/23/2026, 8:10:15 AM

気象特別警報・警報・注意報

Japan Meteorological Agency (JMA) warning for Chiba Prefecture: pay attention to landslide (土砂災害) risk and visibility impairment due to dense fog. In the northwest, watch for inundation of low-lying land; in the northeast, watch for river water level rises. Dense fog warnings listed for multiple municipalities including Tokatsu, Chiba City, Choshi, Ichikawa, Funabashi, Matsudo, Noda, and Narita.

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: 4/10The 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 advisory identifies multiple hazards (landslides, lowland inundation, river rises, and dense fog causing reduced visibility) affecting parts of Chiba Prefecture and lists several municipalities under dense fog warnings.

Location

Sources

気象特別警報・警報・注意報

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