1981年のハリケーン・熱帯低気圧 Dennis
最低気圧995 hPa
このサイトは記録のアーカイブであり、予報や警報ではありません。現在の台風情報は気象庁など各国の気象機関の発表をご確認ください。
最大風速70 kt (36 m/s)1分平均
期間14.8日1981-08-07 – 1981-08-22
1981年の中での強さ7 / 12風速の強い順
記録全体での順位421 / 9861950–2025
最大風速の推移(kt)
中心気圧の推移(hPa)
1981年の他の嵐との比較(最大風速)
105 kt
100 kt
90 kt
80 kt
75 kt
70 kt
60 kt
60 kt
50 kt
50 kt
45 kt
6時間ごとの経路(UTC)
| 日時 | 緯度 | 経度 | 風速 kt | 気圧 hPa |
|---|---|---|---|---|
| 1981-08-07 06:00 | 10.5 | -25.7 | 30 | 1,009 |
| 1981-08-07 12:00 | 10.8 | -28.1 | 30 | 1,008 |
| 1981-08-07 18:00 | 11.0 | -29.6 | 30 | 1,007 |
| 1981-08-08 00:00 | 11.3 | -31.3 | 35 | 1,006 |
| 1981-08-08 06:00 | 11.7 | -33.1 | 35 | 1,005 |
| 1981-08-08 12:00 | 12.0 | -35.0 | 35 | 1,004 |
| 1981-08-08 18:00 | 12.5 | -36.7 | 40 | 1,003 |
| 1981-08-09 00:00 | 12.8 | -38.7 | 40 | 1,002 |
| 1981-08-09 06:00 | 13.1 | -40.8 | 40 | 1,001 |
| 1981-08-09 12:00 | 13.3 | -43.0 | 40 | 1,001 |
| 1981-08-09 18:00 | 13.5 | -45.0 | 40 | 1,001 |
| 1981-08-10 00:00 | 13.5 | -47.0 | 40 | 1,001 |
| 1981-08-10 06:00 | 13.5 | -49.0 | 40 | 1,002 |
| 1981-08-10 12:00 | 13.5 | -51.0 | 40 | 1,004 |
| 1981-08-10 18:00 | 13.6 | -52.9 | 35 | 1,006 |
| 1981-08-11 00:00 | 13.8 | -54.9 | 30 | 1,007 |
| 1981-08-11 06:00 | 14.0 | -56.5 | 30 | 1,008 |
| 1981-08-11 12:00 | 14.3 | -58.3 | 30 | 1,009 |
| 1981-08-11 18:00 | 14.6 | -60.1 | 30 | 1,010 |
| 1981-08-12 00:00 | 14.9 | -61.9 | 25 | 1,010 |
| 1981-08-12 06:00 | 15.2 | -63.8 | 25 | 1,011 |
| 1981-08-12 12:00 | 15.4 | -65.7 | 25 | 1,011 |
| 1981-08-12 18:00 | 15.6 | -67.6 | 25 | 1,011 |
| 1981-08-13 00:00 | 15.8 | -69.5 | 15 | – |
| 1981-08-13 06:00 | 15.9 | -71.2 | 15 | – |
| 1981-08-13 12:00 | 16.1 | -72.8 | 15 | – |
| 1981-08-13 18:00 | 16.4 | -74.4 | 15 | – |
| 1981-08-14 00:00 | 16.8 | -75.7 | 15 | – |
| 1981-08-14 06:00 | 17.4 | -77.0 | 15 | – |
| 1981-08-14 12:00 | 18.0 | -78.0 | 15 | – |
| 1981-08-14 18:00 | 18.8 | -78.8 | 15 | – |
| 1981-08-15 00:00 | 19.5 | -79.5 | 15 | – |
| 1981-08-15 06:00 | 20.3 | -80.0 | 15 | – |
| 1981-08-15 12:00 | 21.0 | -80.5 | 15 | – |
| 1981-08-15 18:00 | 21.7 | -80.8 | 30 | 1,007 |
| 1981-08-16 00:00 | 22.4 | -81.0 | 35 | 1,005 |
| 1981-08-16 06:00 | 23.0 | -81.2 | 35 | 1,003 |
| 1981-08-16 12:00 | 23.8 | -81.4 | 35 | 1,001 |
| 1981-08-16 18:00 | 24.5 | -81.3 | 35 | 1,000 |
| 1981-08-17 00:00 | 24.9 | -81.3 | 35 | 998 |
| 1981-08-17 06:00 | 25.2 | -81.2 | 35 | 999 |
| 1981-08-17 12:00 | 25.8 | -81.2 | 35 | 999 |
| 1981-08-17 18:00 | 26.2 | -81.2 | 35 | 1,001 |
| 1981-08-18 00:00 | 26.5 | -81.2 | 35 | 1,003 |
| 1981-08-18 06:00 | 26.8 | -81.1 | 35 | 1,004 |
| 1981-08-18 12:00 | 27.2 | -81.0 | 35 | 1,005 |
| 1981-08-18 18:00 | 27.6 | -81.0 | 35 | 1,005 |
| 1981-08-19 00:00 | 28.7 | -80.8 | 35 | 1,004 |
| 1981-08-19 06:00 | 29.7 | -80.8 | 40 | 1,003 |
| 1981-08-19 12:00 | 31.0 | -80.8 | 40 | 1,002 |
| 1981-08-19 18:00 | 32.2 | -79.9 | 45 | 1,001 |
| 1981-08-20 00:00 | 33.4 | -78.8 | 50 | 999 |
| 1981-08-20 06:00 | 34.7 | -77.0 | 55 | 998 |
| 1981-08-20 12:00 | 35.5 | -75.2 | 60 | 997 |
| 1981-08-20 18:00 | 36.3 | -73.0 | 65 | 995 |
| 1981-08-21 00:00 | 37.1 | -70.4 | 70 | 995 |
| 1981-08-21 06:00 | 37.8 | -68.0 | 55 | 998 |
| 1981-08-21 12:00 | 38.1 | -65.4 | 45 | 1,000 |
| 1981-08-21 18:00 | 38.4 | -62.8 | 40 | 1,003 |
| 1981-08-22 00:00 | 37.8 | -59.7 | 35 | 1,005 |
風速は米国ハリケーンセンター(NHC)の1分間平均の最大風速です。台風の10分間平均とは直接比べられません。