In hard-hit Sakura city, about 100 mm fell in a single hour. Flooded roads and rails halted trains, stranding hundreds at Chiba Station, and more than 10,000 households lost power.

Authorities kept the highest-level emergency warning in parts of Chiba, cautioning against landslides and further flooding. At least two people were reported in critical condition as rescue and recovery work continued.

East Asia is exposed each summer to concentrated downpours and typhoons. As extreme weather intensifies rainfall, cities’ drainage and disaster-prevention capacities are being tested.

For Chinese travelers and residents moving between Korea and Japan, real-time weather and transport information bears directly on safety. Avoiding unnecessary travel and following official guidance come first.

Hwagyo Sibo neither exaggerates nor downplays disaster. What is confirmed is that Chiba received its first top-level rain warning and that 100 mm/hr rain prompted evacuation advisories for 100,000 households; we report with readers’ safety foremost.