1981 Storm Archive: Hurricane Dennis (08/07/1981 - 08/22/1981)
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Storm Coordinates
| Date: | Time: | Lat: | Lon: | Wind(mph): | Pressure: | Storm Type: |
| 08/07 | 06 GMT | 10.5 | 25.7 | 35 | 1009 | Tropical Depression |
| 08/07 | 12 GMT | 10.8 | 28.1 | 35 | 1008 | Tropical Depression |
| 08/07 | 18 GMT | 11.0 | 29.6 | 35 | 1007 | Tropical Depression |
| 08/08 | 00 GMT | 11.3 | 31.3 | 40 | 1006 | Tropical Storm |
| 08/08 | 06 GMT | 11.7 | 33.1 | 40 | 1005 | Tropical Storm |
| 08/08 | 12 GMT | 12.0 | 35.0 | 40 | 1004 | Tropical Storm |
| 08/08 | 18 GMT | 12.5 | 36.7 | 45 | 1003 | Tropical Storm |
| 08/09 | 00 GMT | 12.8 | 38.7 | 45 | 1002 | Tropical Storm |
| 08/09 | 06 GMT | 13.1 | 40.8 | 45 | 1001 | Tropical Storm |
| 08/09 | 12 GMT | 13.3 | 43.0 | 45 | 1001 | Tropical Storm |
| 08/09 | 18 GMT | 13.5 | 45.0 | 45 | 1001 | Tropical Storm |
| 08/10 | 00 GMT | 13.5 | 47.0 | 45 | 1001 | Tropical Storm |
| 08/10 | 06 GMT | 13.5 | 49.0 | 45 | 1002 | Tropical Storm |
| 08/10 | 12 GMT | 13.5 | 51.0 | 45 | 1004 | Tropical Storm |
| 08/10 | 18 GMT | 13.6 | 52.9 | 40 | 1006 | Tropical Storm |
| 08/11 | 00 GMT | 13.8 | 54.9 | 35 | 1007 | Tropical Depression |
| 08/11 | 06 GMT | 14.0 | 56.5 | 35 | 1008 | Tropical Depression |
| 08/11 | 12 GMT | 14.3 | 58.3 | 35 | 1009 | Tropical Depression |
| 08/11 | 18 GMT | 14.6 | 60.1 | 35 | 1010 | Tropical Depression |
| 08/12 | 00 GMT | 14.9 | 61.9 | 30 | 1010 | Tropical Depression |
| 08/12 | 06 GMT | 15.2 | 63.8 | 30 | 1011 | Tropical Depression |
| 08/12 | 12 GMT | 15.4 | 65.7 | 30 | 1011 | Tropical Depression |
| 08/12 | 18 GMT | 15.6 | 67.6 | 30 | 1011 | Tropical Depression |
| 08/13 | 00 GMT | 15.8 | 69.5 | 15 | 0 | Unknown |
| 08/13 | 06 GMT | 15.9 | 71.2 | 15 | 0 | Unknown |
| 08/13 | 12 GMT | 16.1 | 72.8 | 15 | 0 | Unknown |
| 08/13 | 18 GMT | 16.4 | 74.4 | 15 | 0 | Unknown |
| 08/14 | 00 GMT | 16.8 | 75.7 | 15 | 0 | Unknown |
| 08/14 | 06 GMT | 17.4 | 77.0 | 15 | 0 | Unknown |
| 08/14 | 12 GMT | 18.0 | 78.0 | 15 | 0 | Unknown |
| 08/14 | 18 GMT | 18.8 | 78.8 | 15 | 0 | Unknown |
| 08/15 | 00 GMT | 19.5 | 79.5 | 15 | 0 | Unknown |
| 08/15 | 06 GMT | 20.3 | 80.0 | 15 | 0 | Unknown |
| 08/15 | 12 GMT | 21.0 | 80.5 | 15 | 0 | Unknown |
| 08/15 | 18 GMT | 21.7 | 80.8 | 35 | 1007 | Tropical Depression |
| 08/16 | 00 GMT | 22.4 | 81.0 | 40 | 1005 | Tropical Storm |
| 08/16 | 06 GMT | 23.0 | 81.2 | 40 | 1003 | Tropical Storm |
| 08/16 | 12 GMT | 23.8 | 81.4 | 40 | 1001 | Tropical Storm |
| 08/16 | 18 GMT | 24.5 | 81.3 | 40 | 1000 | Tropical Storm |
| 08/17 | 00 GMT | 24.9 | 81.3 | 40 | 998 | Tropical Storm |
| 08/17 | 06 GMT | 25.2 | 81.2 | 40 | 999 | Tropical Storm |
| 08/17 | 12 GMT | 25.8 | 81.2 | 40 | 999 | Tropical Storm |
| 08/17 | 18 GMT | 26.2 | 81.2 | 40 | 1001 | Tropical Storm |
| 08/18 | 00 GMT | 26.5 | 81.2 | 40 | 1003 | Tropical Storm |
| 08/18 | 06 GMT | 26.8 | 81.1 | 40 | 1004 | Tropical Storm |
| 08/18 | 12 GMT | 27.2 | 81.0 | 40 | 1005 | Tropical Storm |
| 08/18 | 18 GMT | 27.6 | 81.0 | 40 | 1005 | Tropical Storm |
| 08/19 | 00 GMT | 28.7 | 80.8 | 40 | 1004 | Tropical Storm |
| 08/19 | 06 GMT | 29.7 | 80.8 | 45 | 1003 | Tropical Storm |
| 08/19 | 12 GMT | 31.0 | 80.8 | 45 | 1002 | Tropical Storm |
| 08/19 | 18 GMT | 32.2 | 79.9 | 50 | 1001 | Tropical Storm |
| 08/20 | 00 GMT | 33.4 | 78.8 | 60 | 999 | Tropical Storm |
| 08/20 | 06 GMT | 34.7 | 77.0 | 65 | 998 | Tropical Storm |
| 08/20 | 12 GMT | 35.5 | 75.2 | 70 | 997 | Tropical Storm |
| 08/20 | 18 GMT | 36.3 | 73.0 | 75 | 995 | Category 1 Hurricane |
| 08/21 | 00 GMT | 37.1 | 70.4 | 80 | 995 | Category 1 Hurricane |
| 08/21 | 06 GMT | 37.8 | 68.0 | 65 | 998 | Tropical Storm |
| 08/21 | 12 GMT | 38.1 | 65.4 | 50 | 1000 | Tropical Storm |
| 08/21 | 18 GMT | 38.4 | 62.8 | 45 | 1003 | Tropical Storm |
| 08/22 | 00 GMT | 37.8 | 59.7 | 40 | 1005 | Extratropical Storm |
