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Typhoon Bualoi, low-pressure system spark heavy rain, landslide warnings across Japan

The forecasted path of Typhoon Bualoi as of 3 p.m. on Oct. 25, 2019. (Image from the Japan Meteorological Agency website)

TOKYO -- The Japan Meteorological Agency (JMA) has warned of heavy rain, flooding in low-lying areas and landslides in eastern and northeastern Japan from Oct. 25 to 26 due largely to a low-pressure system and powerful Typhoon Bualoi.

In particular, the weather agency has urged residents in areas hit hard by Typhoon Hagibis to be on the alert against possible landslides and floods, which the agency says could be triggered even by small amounts of rain.

A low-pressure system situated off the Tokai region in central Japan, cold air in the atmosphere, and moist air around the typhoon will destabilize atmospheric conditions mainly around the Pacific Ocean side of eastern Japan through the night of Oct. 25, the agency said.

Thunderstorms and heavy rain are expected to hit eastern Japan through the night of Oct. 25, and the Pacific Ocean side of northeastern Japan through the predawn hours of Oct. 26, according to the JMA.

The maximum amount of rain over the 24-hour period up to 6 p.m. on Oct. 26 is estimated to reach 150 millimeters in the Tohoku region in northern Japan and 100 millimeters in the Kanto region around Tokyo.

As of 3 p.m. on Oct. 25, Typhoon Bualoi, this year's 21st, was situated above the Pacific Ocean east of the Japanese archipelago and was moving northeast at 35 kilometers per hour. The atmospheric pressure at its center was 980 hectopascals and the tropical storm was packing winds up to 35 meters per second (126 kilometers per hour) near its center. The maximum wind gust speed was 50m/s (180 kph).


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