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Back台風25号が関東接近、土砂災害特別警報発表
台風25号が関東接近、土砂災害特別警報発表
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時事通信yesterdayWeather2 min readJapanView translation

台風25号が関東接近、土砂災害特別警報発表

Quick Look

台風25号は21日午後、伊豆諸島・八丈島北の海上を北東に進み関東に接近。東京都大島町に土砂災害特別警報(警戒レベル5)が発表され、関東では線状降水帯の予測情報も。羽田・成田空港で欠航、JRや高速道路で運転見合わせ・通行止めが発生。中心気圧960hPa、最大風速40m/sの強い台風となっている。

AI-generated summary

Why It Matters

台風25号は大型で強い勢力を維持し、伊豆諸島から関東へ接近。大島町では7日から8日にも土砂災害特別警報が出されており、今年2回目の発表となった。

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大型で強い台風25号は21日午後、伊豆諸島・八丈島の北海上を北東へ進み、関東に接近した。同諸島北部や神奈川、千葉両県などは大荒れとなり、気象庁は午後0時40分に東京都大島町(伊豆大島)に警戒レベル5の土砂災害特別警報を発表した。25号は同日夜に房総半島南東沖を経て、22日未明以降は東へ遠ざかる見込み。

【時事ドットコム 天気予報】

大島町では7日から8日にかけて前線の影響で土砂災害特別警報が出されたことがあり、今年2回目。同町の午後2時40分までの48時間雨量は740.5ミリに上った。同庁の細見卓也予報課長は記者会見で「土砂災害警戒区域などでは何らかの災害が既に発生している可能性が極めて高く、直ちに身の安全を確保してほしい」と呼び掛けた。

関東などでは線状降水帯の予測情報が出された。伊豆諸島と神奈川、山梨両県は21日午後9時ごろまで、東京都(島しょ部除く)と茨城、埼玉、千葉各県は夜遅くまで発生する可能性がある。

風雨の影響で羽田、成田両空港の発着便が多数欠航。千葉県内ではJRが総武線や内房線、外房線などの一部区間で運転を取りやめ、圏央道や東関東道などの一部区間が通行止めとなった。

25号は午後2時、八丈島の北北西約50キロの海上を時速30キロで北東へ進んだ。中心気圧は960ヘクトパスカル、最大風速40メートル、最大瞬間風速55メートル。半径185キロ以内が風速25メートル以上の暴風域、東側650キロ以内と西側440キロ以内が風速15メートル以上の強風域。

What to Watch

AI outlook — possibilities, not facts

  • 台風25号は22日未明以降は東へ遠ざかる見込み

    Likely · Within hours

  • 関東では線状降水帯が発生し、夜遅くまで大雨の可能性がある

    Possible · Within hours

Open Questions

  • 土砂災害の実際の被害状況はどうか
  • 交通機関の復旧見込みはいつか
  • 線状降水帯による降雨量はどの程度になるか

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This article was originally published by 時事通信.

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