Tropical storm Krosa is expected to bring heavy rain to northern Japan through Saturday. Officials are warning of landslides, strong winds, high waves and swollen rivers.
The Meteorological Agency says Krosa was 400 kilometers northwest of the city of Sado in Niigata Prefecture at noon on Friday.
The storm is moving at 35 kilometers per hour, and is expected to approach Japan's northernmost prefecture of Hokkaido on Saturday.
Up to 250 millimeters of rain is forecast in the 24-hour period through noon on Saturday in Hokkaido and 150 millimeters in the Tohoku region.
Very strong winds are also likely in these regions after Friday evening. Strong winds are still being observed in western and eastern Japan.
Some areas of western Japan have had up to 800 millimeters of rain. Officials have issued landslide warnings for Nara Prefecture.
The storm had left two people dead and 49 injured as of 11 a.m. on Friday.