First published 9/22/2026, 8:01:15 AM · Last updated 9/22/2026, 8:01:15 AM

気象警報・注意報（Ｒ０６）（大雨）

Source (JMA) reports heavy rain warnings/advisories for Chiba Prefecture. The headline: “In the northwest and northeast, pay attention to inundation of low-lying land and rises in rivers.” Listed advisories (Level 2) cover Chiba Prefecture and subregions including Northwest, Northeast, Inba, Higashi-Katsushika, Sambu & Chosei; advisories for Southern part and Isumi & Awa are noted as lifted in the source text.

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: 6/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

The JMA excerpt explicitly warns of inundation of low-lying areas and rising rivers in the northwest and northeast of Chiba Prefecture, indicating localized flood risk where the advisory applies.

Location

Sources

気象警報・注意報（Ｒ０６）（大雨）

Report an issue