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Rain from Typhoon Chan-hom lashes western, eastern Japan; landslide threat rises

The forecasted path of Typhoon Chan-hom is shown as of 8 a.m. on Oct. 11, 2020. (Image from the Japan Meteorological Agency website)

TOKYO -- Heavy rain lashed Japan's Pacific coast as Typhoon Chan-hom drew closer to the country, with the Izu Islands south of Tokyo facing an extremely high risk of landslides, the Japan Meteorological Agency (JMA) said.

    The agency on Oct. 10 issued an emergency heavy rain warning for the villages of Miyake and Mikurajima in the Izu Islands south of the Japanese capital. It has warned people to be on their guard against landslides through Oct. 11, and has also warned of violent winds and rough seas, as well as the possibility of flooding in low-lying areas and swelling or flooding rivers.

    As of 8 p.m. on Oct. 10, Typhoon Chan-hom, the 14th typhoon of the year, was about 180 kilometers west-southwest of the island of Hachijojima south of Tokyo's special wards, and was heading east at a speed of about 20 kilometers per hour. It has a central atmospheric pressure of 985 hectopascals and was packing maximum sustained wind speeds near its center of 30 meters per second (108 kph), with gusts hitting up to 40 m/s (144 kph), the agency said.

    Many areas across Japan face heavy rain from the typhoon. Over the 24-hour period up to 6 a.m. on Oct. 11, up to 300 millimeters of rain is expected in the Izu Islands, up to 150 mm in the Tokai region in central Japan, and up to 120 mm in the Kinki region in western Japan and eastern Japan's Kanto region.

    Waves hit Suruga Bay in the central Japan city of Shizuoka as Typhoon Chan-hom approaches, on the morning of Oct. 10, 2020. (Mainichi/Koichiro Tezuka)

    Through Oct. 11, strong winds of up to 28 m/s (100.8 kph) with gusts of up to 40 m/s (144 kph) are predicted to lash the Izu Islands. In the Kinki and Tokai regions, winds of up to 25 m/s (90 kph) with gusts of up to 35 m/s (126 kph) are forecast, while the Shikoku region in western Japan could be hit with sustained winds of up to 23 m/s (82.8 kph) and gusts reaching 35 m/s (126 kph). Sustained winds reaching up to 20 m/s (72 kph) with gusts of up to 30 m/s (108 kph) are forecast for the Kanto-Koshin region.

    The typhoon is expected to head east with violent winds through the evening of Oct. 10, before weakening and heading south.


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