First published 9/18/2026, 6:22:15 PM · Last updated 9/27/2026, 6:48:30 PM

Tropical cyclone DUJUAN-26 (Green notification) active 15–18 Sep 2026

From 2026-09-15 to 2026-09-18 Tropical Storm DUJUAN-26 (max wind 120 km/h, Category 1) was active in the NW Pacific near 25.4, 141.7. GDACS lists Japan (vulnerability: Low) as an affected country and estimates population affected by Category 1 winds or higher: 0.

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: 9/10How 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: 3/10The 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: 3/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Why it matters

Tropical cyclones are hazardous weather events capable of causing wind, sea, and secondary impacts. The reporting agency currently indicates no population affected and low vulnerability for Japan, but ongoing monitoring is warranted while the cyclone is active and conditions can change.

Location

Sources

Green notification for tropical cyclone DUJUAN-26. Population affected by Category 1 (120 km/h) wind speeds or higher is 0 (0 in Tropical Storm).

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