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河川水位 is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.
Access official weather forecasts and disaster warnings from Japan's Meteorological Agency. View rain radar and river protection data, with local weather updates and the ability to save favorite locations.
Access detailed hazard maps for flood and landslide risks. Quickly find links to official maps from local governments across Japan, covering various disaster types and areas. Stay informed about potential dangers in your vicinity.
