Typhoon Dujuan approached Japan's eastern coast on Monday with sustained winds of 144 kilometers per hour, prompting the Japan Meteorological Agency (JMA) to issue warnings of record-breaking rainfall, flash floods, and landslides. The storm was located about 110 kilometers from Hachijojima, a remote island in the Izu chain, and was forecast to pass close to the Tokyo metropolitan area. The JMA warned that total rainfall through Tuesday could surpass the average monthly total for September, creating conditions for linear rain bands that produce prolonged, intense downpours over narrow regions.
Over 4,000 households in Chiba Prefecture lost power, and parts of Aichi Prefecture, hosting the Asian Games, postponed an equestrian eventing competition. The Tokyo Game Show closed early on Monday, cutting short its final day. More than 250 flights were canceled, including 120 domestic and 15 international flights by Japan Airlines and 140 domestic flights by All Nippon Airways. Rail services in Tokyo and surrounding areas were suspended on some lines. The storm struck during Japan's "Silver Week" holiday, a peak period for domestic travel.
The timing of Typhoon Dujuan's approach during a major holiday amplifies disruption to travel and public events, despite advanced warnings. With power outages, flight cancellations, and large gatherings affected, the strain on emergency response and infrastructure is immediate. The postponement of an Asian Games event and shutdown of a major trade fair show how natural hazards can interrupt both sport and commerce at critical moments.
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