A severe tropical storm is expected to make landfall in western Japan on Thursday, bringing torrential rains, violent winds and rough seas.
Meteorological Agency officials estimate that Krosa was situated 60 kilometers west of Cape Ashizuri in Kochi Prefecture at 9 a.m. on Thursday.
The agency says the storm is moving north, producing violent winds.
It says Krosa is nearing Shikoku. It adds that the storm may sweep through western Japan on Thursday.
The officials say violent winds are making their way to some parts of Kyushu and Shikoku.
Rainfall for the 24 hours through Friday morning is expected to reach 800 millimeters in Shikoku, 500 in Tokai and Kinki.
The overall precipitation may exceed 1,200 millimeters in some areas.
Weather officials are warning of landslides in the prefectures of Nara, Oita, Ehime and Tokushima.
Krosa is also expected to bring strong winds to the Pacific side of western and eastern Japan.
The seas are already rough. Expected wave heights are 10 meters along the coastal areas of Shikoku and 9 meters along the shores of Tokai and Kinki.
People are advised to stay on the alert for violent winds, high waves, and storm surges, as well as mudslides, floods and swollen rivers.