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Typhoon Aere weakens to tropical cyclone, rain forecast across Japan

A road is seen buried by a landslide caused by heavy rain in Nakatosa, Kochi Prefecture, on July 5, 2022. (Photo courtesy of Tosa National Highway Office)

TOKYO (Kyodo) -- Typhoon Aere has been downgraded to an extratropical cyclone after making landfall in southwestern Japan's Kyushu region early Tuesday, bringing torrential rain primarily to the country's west and raising concerns of destabilized conditions nationwide through Wednesday, the weather agency said.

    The extratropical low-pressure system is moving slowly eastward toward the western and central parts of the country, and the Japan Meteorological Agency is asking people to remain vigilant for potential landslides and overflowing rivers.

    Amid hot and humid conditions in the area around the cyclone, 200 millimeters of rain is forecast for the western main island of Shikoku and the central Tokai region in the 24 hours through Wednesday noon, and 150 mm for the western Kinki region and Kanto-Koshin regions in central and east Japan.

    In the southern Kyushu region, 100 mm is forecast to fall, while the Hokkaido and the Tohoku region are expected to receive 80 mm. The following 24 hours are projected to see 50 to 100 mm of rain in Tokai and Kanto-Koshin. Lightning and hurricanes could also develop, the agency said.

    The agency also confirmed the year's first linear rainbands in west Japan's Kochi Prefecture, where more than 50 homes have flooded. Elsewhere in the prefecture, the city of Susaki recorded 85 mm of rain in an hour, and the town of Nakatosa saw a major road closed due to landslides.

    In Kyushu, the Fukuoka Prefecture city of Omuta received 85 mm of rain in an hour, with the city's roads, as well as those in Kumamoto Prefecture's Arao, blocked by flooding. Some of the Kyushu Railway Co. express services have been suspended, and local lines are also experiencing delays.

    In west Japan's Kinki region, Wakayama Prefecture's Cape Shionomisaki saw 46.5 mm of rainfall, and an artificial slope by a prefectural road in the town of Kushimoto also collapsed.

    Typhoon Aere weakened into an extratropical low-pressure system about three hours after making landfall close to Sasebo, Nagasaki Prefecture, at around 6 a.m. Tuesday. It was the first typhoon in 2022 to make landfall on the Japanese archipelago.

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