Water conditions are improving
strongAround 326mm of rain has fallen over the past 14 days — above the 18mm typical for this period. A healthier water balance is restoring across this area.
hydro operators · agriculture · reservoir ops
Daily brief · Japan
Tokyo 2026-09-17
Verification pending
Weather-risk signals · signal engine (Open-Meteo)
A heavy rain day could hit
extremeA single day could bring around 144.6mm of rain on 2026-09-20 — above the local heavy-rain reference for this time of year (around 35.9mm in a day). Construction, drainage, and outdoor events should review schedules.
outdoor events · drainage operators · agriculture
What people were seeing · community field reports
No field observations were posted for this place on 2026-09-17.