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台風発生予想 シルバーウィークに本州方面へ 次に発生すると「台風25号」
N3 disaster Original · 2 min read · 34 views · 24 words

台風25号が12時間以内に発生へ シルバーウィークに本州接近のおそれ

Typhoon No. 25 expected to form within 12 hours: potential approach to Honshu during Silver Week

気象庁きしょうちょうは、マリアナ諸島マリアナしょとう付近で発達はったつしている熱帯低気圧ねったいていきあつについて、12時間以内に台風へ発達する見込みみこみだと発表しました。発生すれば今月2つ目で、「台風25号」となります。この熱帯低気圧は18日から19日ごろに小笠原諸島おがさわらしょとうへ接近せっきんし、その後シルバーウィークにかけて本州方向へ北上ほくじょうするおそれがあります。

The Japan Meteorological Agency announced that a tropical depression developing near the Mariana Islands is expected to become a typhoon within 12 hours. If formed, it will be the second typhoon this month and designated as "Typhoon No. 25". It is likely to approach the Ogasawara Islands around September 18–19 and move north toward Honshu during the Silver Week holidays.

熱帯低気圧は勢力せいりょくを強めながら西寄りに進み、20日までに強い台風になる予報よほうです。5日先となる21日の予報円の直径ちょっけいは1040キロと大きく、進路の不確実ふかくじつ性が高くなっています。太平洋高気圧たいへいようこうきあつや気象条件じょうけんによって移動の向きが変化へんかするため、最新情報に注意が必要です。

The tropical depression is expected to intensify while tracking westward, becoming a strong typhoon by September 20. The forecast circle for September 21, five days out, has a large diameter of 1,040 km, indicating high uncertainty in its path. Since its course may shift depending on the Pacific High and other atmospheric conditions, staying updated with the latest information is essential.

気象庁によると、5日以内に暴風域ぼうふういきに入る確率かくりつは小笠原諸島で88%と最も高くなっています。また、伊豆諸島いずしょとう南部で14%、三重県や和歌山県で9%、東京都や静岡県、奈良県で8%となっています。広い範囲はんいで強い風への警戒けいかいが求められています。

According to the Japan Meteorological Agency, the probability of entering the storm zone within five days is highest in the Ogasawara Islands at 88%. Additionally, it is 14% in the southern Izu Islands, 9% in Mie and Wakayama prefectures, and 8% in Tokyo, Shizuoka, and Nara prefectures. Caution against strong winds is advised over a wide area.

日本付近には秋雨前線あきさめぜんせんが停滞ていたいしており、台風から湿った空気が流入りゅうにゅうする見込みです。これにより前線の活動が活発かっぱつになり、台風が近づく前から西日本や東日本で雨が強まる危険があります。台風の影響えいきょうや進路次第では、総雨量が非常に多くなる地域が出る可能性もあります。

An autumn rain front is hovering near Japan, and moist air from the typhoon is expected to flow into it. This will activate the front, bringing a risk of heavy rainfall to western and eastern Japan even before the typhoon arrives. Depending on the typhoon's trajectory, cumulative rainfall could become extremely high in certain regions.

2026年は台風の発生ペースが非常に早く、8月末までの累計るいけい数が平年へいねんより約10個多く発生しました。特に8月は10個の台風が発生し、1966年以来60年ぶりの記録きろくとなりました。秋の台風は移動速度が速く、被害ひがいが大きくなりやすいため、事前に対策たいさくを整えておくことが重要です。

In 2026, typhoons have been forming at an unusually rapid pace, with about 10 more than the annual average recorded by the end of August. August alone saw 10 typhoon formations, a milestone last reached 60 years ago in 1966. Since autumn typhoons travel quickly and easily cause extensive damage, advance preparation is essential.

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Frequently asked questions

Bão số 25 (Typhoon 25) được dự báo hình thành khi nào?

Cục Khí tượng Nhật Bản thông báo áp thấp nhiệt đới ở quần đảo Mariana có khả năng mạnh lên thành bão số 25 trong vòng 12 giờ tính từ 3 giờ sáng ngày 16 tháng 9 năm 2026.

Vòng dự báo (予報円) kích thước lớn trên bản đồ bão có nghĩa là gì?

Vòng dự báo lớn thể hiện độ không chắc chắn cao về hướng di chuyển của tâm bão trong tương lai, chứ không phải biểu thị kích thước hay cường độ sức gió của bão.

Vì sao mưa lớn có thể xảy ra ở Nhật Bản ngay cả khi bão còn ở xa?

Vì không khí ẩm từ bão di chuyển vào và kích hoạt dải frông mưa thu (秋雨前線) đang ngưng trệ gần Nhật Bản, khiến mưa lớn xuất hiện ở miền Tây và miền Đông từ trước khi bão áp sát.

Source: Bài luyện đọc do JNews biên soạn

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