Japanese weather officials say a tropical storm may bring heavy rain to Pacific coastal areas of Japan from Saturday through Sunday. They are warning people to be on the alert for possible landslides and floods.
The Meteorological Agency says Tropical Storm Nari was over waters south of Japan as of Friday morning and is moving north-northwest at 20 kilometers per hour.
Agency officials say some Pacific coastal areas of the Kansai region and eastern Japan could have more than 50 millimeters of rainfall, accompanied by localized thunderstorms.
They say up to 180 millimeters of rain may fall in the Tokai region in the 24 hours until Saturday noon, 150 millimeters in the Kansai region, and 80 millimeters in the Kanto-Koshin region.
The officials also say unstable atmospheric conditions over Hokkaido may bring heavy downpours on Friday evening and Saturday.
They are urging people to brace themselves for possible mudslides, floods, strong winds and high waves.