Japanese weather officials say severe tropical storm Tapah will bring violent winds and torrential rain to many parts of the country.
The Meteorological Agency estimates that as of 7 p.m. on Sunday, Tapah is over waters 80 kilometers north of Goto city, Nagasaki Prefecture. The storm was moving north-northeast at 30 kilometers per hour.
The agency says the storm is generating sustained winds of 108 kilometers per hour and gusts of 162 kilometers per hour.
Tapah is putting northern Kyushu under its storm zone.
As the storm heads north, strong winds and rough seas are forecast in wide areas from western to northern Japan.
A mudslide alert has been issued for some areas in Nagasaki, Kumamoto, Tokushima and Mie prefectures.
Tapah is also forecast to dump heavy rain. Total rainfall for the 24 hours through Monday afternoon could reach 300 millimeters in Shikoku, 200 millimeters in Tokai, 180 millimeters in northern Kyushu and 150 millimeters in Chugoku and Kinki.
Weather officials are warning of violent winds, high waves, mudslides, swollen rivers, and flooding.