Typhoon approaches eastern Japan, prompting flood and landslide warnings
Typhoon Dujuan is approaching Japan's Pacific coast, bringing heavy rain and high winds to the Kanto region, including Tokyo. Authorities have issued warnings for potential landslides and flash floods, leading to the postponement of some sporting events.
Why it matters
Extreme weather events are becoming more frequent, posing significant risks to public safety and infrastructure in densely populated regions.
A powerful typhoon was approaching Japan’s Pacific coast on Monday (September 21, 2026), bringing torrential rain, violent winds and a heightened risk of landslides across the Kanto region and other parts of eastern Japan, the weather agency said.
The Japan Meteorological Agency (JMA) warned that conditions could deteriorate rapidly as Typhoon Dujuan was forecast to pass close to the Tokyo metropolitan area later in the day.
Heavy rain has already drenched parts of the Izu Islands, Chiba Prefecture and other Pacific coastal areas, with some locations recording more than 300 mm (12 inches) of rainfall since Saturday (September 19, 2026).
The JMA said downpours could intensify from Monday afternoon as the typhoon nears the Kanto region, an area that includes Tokyo and surrounding prefectures.
At the Asian Games in central Japan’s Aichi Prefecture, organisers postponed the equestrian eventing competition until Tuesday (September 22, 2026) due to the approaching typhoon.
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