First published 9/23/2026, 9:21:15 PM · Last updated 9/23/2026, 9:21:15 PM

Dense fog advisory — Saitama Prefecture (JMA)

The Japan Meteorological Agency (JMA) issued a dense fog advisory for Saitama Prefecture, warning of visibility impairment due to dense fog. The advisory lists Saitama Prefecture and its subregions: southern, northern, Chichibu region, south-central, southeast, southwest, and northeast. Published: 2026-09-23T20:48:00.000Z.

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: 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).
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

JMA's advisory explicitly warns of visibility impairment from dense fog across Saitama Prefecture and multiple subregions, indicating conditions that can affect people and transport within the prefecture.

Location

Sources

気象警報・注意報（Ｒ０６）（その他注意報）

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