Typhoon Dujuan brings record rainfall to eastern Japan, JMA issues Level 5 landslide warning for Oshima
Rainfall on Oshima reached 600 mm (23.6 inches) in the 24 hours ending at 14:00 LT (05:00 UTC) on September 21, 2026, as Typhoon Dujuan passed the Izu Islands and approached eastern Japan. The record September rainfall prompted a Level 5 landslide special warning, while flooding, landslides and transport disruption affected parts of the Kanto region.

