Houses are being inundated on June 2 in Kainan, Wakayama Prefecture. ASA Kainan Typhoon No. On 2 June, torrential downpours battered the Pacific side of the country and resulted in heavy rain warnings for wide areas from western to eastern Japan through 3 June.
At least 10 people have been injured, which has also disrupted railway operations.
On June 2, the typhoon was moving east-northeast over waters east of Amami city in Kagoshima Prefecture.
Linear rainbands that cause extreme heavy rain over extended periods, have formed over Kochi Prefecture by 8:10 a.m., according to the Japan Meteorological Agency.
linear rainbands were also formed in the afternoon over Shizuoka, Nara, Mie, Aichi and Wakayama prefectures.
The agency urged residents in those areas to take precautions against the rapidly increasing risk of landslides and floods.
The highest evacuation warning for heavy rain was issued for four localities in the Wakayama Prefecture, Kainan, Kimino, Kudoyama and Hirogawa.
The prefectural government said the River Kamenokawa, which flows through Kainan and Wakayama cities, had breached its banks.
In the prefecture of Kainan, the central area near JR Kainan Station was flooded, and some residential districts were inundated.
The city government said around 50 people are taking shelter in at least 10 of the 29 evacuation centers set up at 1 p.m.
The Tokigawa River in Mizunami City temporarily overflowed, but no major damage has been reported.
The JMA ruled that linear rainbands would develop from the night of June 2 to the next morning in the Kanto-Koshin region.
The JMA says the typhoon was a Central pressure of 980 hectopascals, with maximum sustained winds of 83 kph near its center and maximum instantaneous gusts of 126 kph.
The typhoon is forecast to move northeast over waters south of Japan and become an extratropical low-pressure system on June 3.
Fire officials said 10 people were injured by the morning of June 2 mainly due to falls caused by strong winds of the approaching typhoon.
Japan's main island of Honshu is grappling with the typhoon, which has smashed its warm and moist air into a rain front. Thunderstorms are expected over a wide range of regions across the U.S. throughout June.
For the 24-hour period until noon on June 3, the JMA forecasts as much as 250 millimeters of rain in the Kanto-Koshin, Tokai and Shikoku regions, 200 mm in the Kinki region, 150 mm in the Izu island chain, and 100 mm in the Tohoku region.
East Japan Railway Co. JR East said operations on the Keiyo Line were suspended between Tokyo and Soga stations.
The services on the Tokaido Shinkansen Line between Tokyo and Shin-Osaka were also suspended.
The Kinki headquarters of West Japan Railway Co. JR West said it had suspended 88 trains as of June 2, including the Thunderbird, Shirasagi, Super Hakuto and Kuroshio limited express trains.
In some areas of the Keihanshin and Wakayama regions, the number of train services was reduced from around noon, and the departure times of the last trains of the day were moved up. In the morning, operations were suspended on some parts of the Wakayama Line, Kakogawa Line and Sanin Line.
Train services will also be suspended for some sections of the Hokuriku Line, Nara Line, Kansai Line and Gakken-Toshi Line.
The land ministry said at lunch on June 2 that 51 dams in the Chubu, Kansai, Shikoku and Hokuriku regions released water held in reservoirs to increase capacity before the heavy rain.