A severe tropical storm may make landfall in western Japan on Thursday, bringing torrential rains, violent winds and rough seas.
Meteorological Agency officials estimate that Krosa was situated 110 kilometers south-southwest of Cape Ashizuri in Kochi Prefecture at 4 a.m. on Thursday morning.
The agency says the storm is moving north, producing violent winds.
It says Krosa may approach the western regions of Kyushu and 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 Thursday night is expected to reach 1,000 millimeters in Shikoku, 700 in Tokai, and 500 in Kinki, and 400 in northern Kyushu.
The overall precipitation may exceed 1,200 millimeters in some areas.
Krosa is also expected to bring strong winds to the Pacific side of western Japan, with speeds of 108 kilometers per hour for Shikoku and 97 kilometers per hour for northern Kyushu.
The seas are already rough. Expected wave heights are 10 meters along the coastal areas of Shikoku and 9 meters along the shores of Kyushu, Kinki and Tokai.
People are advised to stay on the alert for violent winds, high waves, and storm surges, as well as mudslides, floods and swollen rivers.