Overview
- Extremely intense rainfall produced record hourly and 24‑hour totals in parts of Chiba, with some locations reporting more than 35 centimeters in 24 hours and hourly peaks above 11 centimeters.
- The Japan Meteorological Agency issued its highest (level 5) warning for parts of Chiba, an unprecedented move for the prefecture that signaled immediate danger to life.
- Rescue and relief operations remain active after floods and transport failures left thousands stranded or displaced, including about 7,000 people temporarily at Narita Airport and hundreds sheltered in evacuation centers.
- Casualty reports are still changing: media outlets cite differing totals of at least four to eight deaths and one or more people missing, while local officials continue search and rescue efforts.
- Infrastructure was heavily hit with widespread power outages affecting tens of thousands of households, large-scale JGSDF evacuations of commuters, and partial restoration of flights and rail as authorities urge early evacuation and vigilance.