Record-breaking rainfall in Japan's Chiba prefecture leads to casualties

Unprecedented torrential rainfall struck Japan's Chiba prefecture, east of Tokyo, starting on the evening of Thursday, August 13, 2026. The extreme weather resulted in severe flooding, widespread power outages, and major disruptions to both road and rail infrastructure, leaving thousands stranded at Narita International Airport. Meteorological authorities issued their highest level of emergency alerts, citing rare and intense weather patterns that included at least three major storm fronts.

Reports regarding the casualties vary slightly between sources. Sigma Live reports four confirmed deaths, while OmegaLive cites five fatalities and one person remaining missing. Among the identified victims was a 66-year-old woman trapped in her vehicle by rising floodwaters. Official data indicates record-breaking precipitation levels, with Chiba City recording 11.5 centimeters of rain in a single hour and over 350 millimeters within a 24-hour period. Sakura also experienced heavy rainfall measuring 9.7 centimeters in one hour. Disaster management teams continue to search for missing individuals, as authorities express concerns that the total death toll could rise further as recovery efforts proceed.