The storm Shanshan, which has brought record rainfall to wide areas, weakened from a typhoon to a tropical depression around noon on Sunday. As warm and moist air continues to flow in, localized downpours with thunder are possible in the Tokai, Kinki and Kanto regions through Monday.

The Meteorological Agency is calling on people to be on heightened alert for landslides and urging caution against flooding in low-lying areas and swollen rivers, as well as lightning strikes and violent gusts, including tornadoes.

The storm has caused extended periods of rainfall. In central Japan, Shizuoka Prefecture's Atami City saw a record 654 millimeters in the 72 hours through 11 a.m. Sunday. That's more than three times the average amount of rain the area has for the entire month of August.

Atmospheric conditions remain unstable in eastern and western Japan. Some parts of northern Japan may see extremely heavy rain.
24-hour rainfall until Monday evening could reach 150 millimeters in the Tokai region, 120 millimeters in Tohoku and Kinki, and 100 millimeters in Kanto-Koshin.

The risk of landslides is also heightened in various areas. Landslide alerts are in effect in parts of Kanagawa, Shizuoka and Saitama prefectures.

The operator of the Tokaido Shinkansen resumed partial operations on all lines soon after 6 p.m. on Sunday, but services could be interrupted by heavy rain.

The Sanyo Shinkansen, linking Osaka and Fukuoka, has been running with services reduced from the first train on Sunday. The operator says it will run as usual starting with the first train scheduled for Monday.

Major carriers Japan Airlines and All Nippon Airways are operating flights almost as usual on Sunday.
They plan to operate as usual on Monday. The carriers are calling on passengers to check their websites for the latest flight information.

Some sections of expressways are also closed.