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Geographical Survey Institute
|
Leaflet
| River and watershed delineation based on MLIT (Ministry of Land, Infrastructure, Transport and Tourism) data processed by CTI Engineering Co., Ltd.
Leaflet
Flood risk forecast
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Translucency
Map display
River
Watershed
Administrative District
Sequential rainfall
forecast
Flood risk
Flood risk forecast
Virtual water’s
surface
"Guerilla rainstorm"
forecast
危険度
高
低
Stormwater flooding predicted area
Currently announced warning
(
Japan Meteorological Agency
)