All timelines
Chiba rainfall: the storm and the later report
Separate the August rainfall event from the meteorological agency's September publication.
Reviewed 9/20/2026
August 13-14 rainfall and the September 16 report. Meteorological records only; not a complete account of damage or recovery.
Dates without a time use the local date of the event.
From the beginningThrough 9/16/2026
August 13-14 rainfall and the September 16 report. Meteorological records only; not a complete account of damage or recovery.