Alerts issued as tropical storm Yun-yeung approaching Japan

Tropical storm Yun-yeung is approaching eastern Japan. The storm is expected to make landfall Friday afternoon, but some areas are already under alert.

Japan's weather agency reported Yun-yeung was south-southwest of Shizuoka Prefecture Friday morning. The storm will likely move north throughout the day.

The Chiba and Ibaraki prefectures, as well as the Izu Islands, have issued mudslide alerts. Chiba Prefecture in particular is dealing with heavy rain. Katsuura City has triggered its highest-level emergency alert over rising river levels in the area.

In Tokyo, rain poured in from the ceiling at Shinjuku Station. Staff were on the scene trying to contain the water.

Thunderstorms are also forecast for eastern Japan.

Weather officials are asking residents to watch out for mudslides, flooding in low-lying areas and swollen rivers. Strong winds, high waves and lightning are also expected.