Storm Activity: Nov 7, 1971 - Nov 17, 1971
Nov 17 · 09:00 GMT -- 1,003 mb Extratropical
| Nov 17 | 09:00 GMT | 32.4 | 178.11 | -- | 1,003 mb | Extratropical | -- |
| Nov 17 | 06:00 GMT | 32 | 175 | -- | 1,002 mb | Extratropical | -- |
| Nov 17 | 03:00 GMT | 31.94 | 171.5 | -- | 1,001 mb | Extratropical | -- |
| Nov 17 | 00:00 GMT | 32 | 168 | -- | 1,000 mb | Extratropical | -- |
| Nov 16 | 21:00 GMT | 31.88 | 164.95 | -- | 1,000 mb | Extratropical | -- |
| Nov 16 | 18:00 GMT | 31.8 | 162.2 | -- | 1,000 mb | Extratropical | -- |
| Nov 16 | 15:00 GMT | 31.88 | 159.66 | -- | 997 mb | Extratropical | -- |
| Nov 16 | 12:00 GMT | 32 | 157.2 | -- | 994 mb | Extratropical | -- |
| Nov 16 | 09:00 GMT | 32.03 | 154.71 | -- | 991 mb | Unknown | -- |
| Nov 16 | 06:00 GMT | 32 | 152 | -- | 988 mb | Unknown | -- |
| Nov 16 | 03:00 GMT | 31.89 | 148.66 | -- | 984 mb | Unknown | -- |
| Nov 16 | 00:00 GMT | 31.7 | 145.5 | -- | 980 mb | Unknown | -- |
| Nov 15 | 21:00 GMT | 31.52 | 143.29 | -- | 977 mb | Unknown | -- |
| Nov 15 | 18:00 GMT | 31.3 | 141.5 | -- | 975 mb | Unknown | -- |
| Nov 15 | 15:00 GMT | 31.02 | 139.59 | -- | 972 mb | Unknown | -- |
| Nov 15 | 12:00 GMT | 30.6 | 137.8 | -- | 970 mb | Unknown | -- |
| Nov 15 | 09:00 GMT | 29.97 | 136.14 | -- | 967 mb | Unknown | -- |
| Nov 15 | 06:00 GMT | 29.2 | 134.6 | -- | 965 mb | Unknown | -- |
| Nov 15 | 03:00 GMT | 28.33 | 133.07 | -- | 965 mb | Unknown | -- |
| Nov 15 | 00:00 GMT | 27.5 | 131.7 | -- | 965 mb | Unknown | -- |
| Nov 14 | 21:00 GMT | 26.89 | 130.52 | -- | 962 mb | Unknown | -- |
| Nov 14 | 18:00 GMT | 26.4 | 129.6 | -- | 960 mb | Unknown | -- |
| Nov 14 | 15:00 GMT | 25.96 | 128.97 | -- | 960 mb | Unknown | -- |
| Nov 14 | 12:00 GMT | 25.5 | 128.5 | -- | 960 mb | Unknown | -- |
| Nov 14 | 09:00 GMT | 24.91 | 127.95 | -- | 957 mb | Unknown | -- |
| Nov 14 | 06:00 GMT | 24.3 | 127.5 | -- | 955 mb | Unknown | -- |
| Nov 14 | 03:00 GMT | 23.78 | 127.25 | -- | 952 mb | Unknown | -- |
| Nov 14 | 00:00 GMT | 23.3 | 127.1 | -- | 950 mb | Unknown | -- |
| Nov 13 | 21:00 GMT | 22.83 | 126.91 | -- | 947 mb | Unknown | -- |
| Nov 13 | 18:00 GMT | 22.4 | 126.8 | -- | 945 mb | Unknown | -- |
| Nov 13 | 15:00 GMT | 22.04 | 126.87 | -- | 942 mb | Unknown | -- |
| Nov 13 | 12:00 GMT | 21.7 | 127 | -- | 940 mb | Unknown | -- |
| Nov 13 | 09:00 GMT | 21.31 | 127.04 | -- | 935 mb | Unknown | -- |
| Nov 13 | 06:00 GMT | 20.9 | 127.1 | -- | 930 mb | Unknown | -- |
| Nov 13 | 03:00 GMT | 20.44 | 127.29 | -- | 927 mb | Unknown | -- |
| Nov 13 | 00:00 GMT | 20 | 127.5 | -- | 925 mb | Unknown | -- |
| Nov 12 | 21:00 GMT | 19.64 | 127.58 | -- | 920 mb | Unknown | -- |
| Nov 12 | 18:00 GMT | 19.3 | 127.7 | -- | 915 mb | Unknown | -- |
| Nov 12 | 15:00 GMT | 18.89 | 128.02 | -- | 910 mb | Unknown | -- |
| Nov 12 | 12:00 GMT | 18.5 | 128.4 | -- | 905 mb | Unknown | -- |
| Nov 12 | 09:00 GMT | 18.28 | 128.66 | -- | 900 mb | Unknown | -- |
| Nov 12 | 06:00 GMT | 18 | 129 | -- | 895 mb | Unknown | -- |
| Nov 12 | 03:00 GMT | 17.43 | 129.53 | -- | 892 mb | Unknown | -- |
| Nov 12 | 00:00 GMT | 16.8 | 130.2 | -- | 890 mb | Unknown | -- |
| Nov 11 | 21:00 GMT | 16.34 | 130.95 | -- | 887 mb | Unknown | -- |
| Nov 11 | 18:00 GMT | 15.9 | 131.7 | -- | 885 mb | Unknown | -- |
| Nov 11 | 15:00 GMT | 15.38 | 132.31 | -- | 897 mb | Unknown | -- |
| Nov 11 | 12:00 GMT | 14.9 | 132.9 | -- | 910 mb | Unknown | -- |
| Nov 11 | 09:00 GMT | 14.56 | 133.59 | -- | 927 mb | Unknown | -- |
| Nov 11 | 06:00 GMT | 14.3 | 134.3 | -- | 945 mb | Unknown | -- |
| Nov 11 | 03:00 GMT | 14.05 | 134.97 | -- | 955 mb | Unknown | -- |
| Nov 11 | 00:00 GMT | 13.8 | 135.6 | -- | 965 mb | Unknown | -- |
| Nov 10 | 21:00 GMT | 13.52 | 136.19 | -- | 970 mb | Unknown | -- |
| Nov 10 | 18:00 GMT | 13.2 | 136.8 | -- | 975 mb | Unknown | -- |
| Nov 10 | 15:00 GMT | 12.85 | 137.56 | -- | 977 mb | Unknown | -- |
| Nov 10 | 12:00 GMT | 12.4 | 138.3 | -- | 980 mb | Unknown | -- |
| Nov 10 | 09:00 GMT | 11.82 | 138.9 | -- | 982 mb | Unknown | -- |
| Nov 10 | 06:00 GMT | 11.2 | 139.4 | -- | 985 mb | Unknown | -- |
| Nov 10 | 03:00 GMT | 10.61 | 139.85 | -- | 985 mb | Unknown | -- |
| Nov 10 | 00:00 GMT | 10.1 | 140.2 | -- | 985 mb | Unknown | -- |
| Nov 9 | 21:00 GMT | 9.78 | 140.41 | -- | 985 mb | Unknown | -- |
| Nov 9 | 18:00 GMT | 9.5 | 140.6 | -- | 985 mb | Unknown | -- |
| Nov 9 | 15:00 GMT | 9.07 | 140.99 | -- | 982 mb | Unknown | -- |
| Nov 9 | 12:00 GMT | 8.6 | 141.3 | -- | 980 mb | Unknown | -- |
| Nov 9 | 09:00 GMT | 8.1 | 141.28 | -- | 982 mb | Unknown | -- |
| Nov 9 | 06:00 GMT | 7.8 | 141.2 | -- | 985 mb | Unknown | -- |
| Nov 9 | 03:00 GMT | 7.96 | 141.31 | -- | 989 mb | Unknown | -- |
| Nov 9 | 00:00 GMT | 8.2 | 141.5 | -- | 994 mb | Unknown | -- |
| Nov 8 | 21:00 GMT | 8.1 | 141.75 | -- | 994 mb | Unknown | -- |
| Nov 8 | 18:00 GMT | 7.9 | 142 | -- | 994 mb | Unknown | -- |
| Nov 8 | 15:00 GMT | 7.74 | 142.17 | -- | 994 mb | Unknown | -- |
| Nov 8 | 12:00 GMT | 7.6 | 142.3 | -- | 994 mb | Unknown | -- |
| Nov 8 | 09:00 GMT | 7.51 | 142.4 | -- | 993 mb | Unknown | -- |
| Nov 8 | 06:00 GMT | 7.4 | 142.5 | -- | 992 mb | Unknown | -- |
| Nov 8 | 03:00 GMT | 7.21 | 142.65 | -- | 996 mb | Tropical Depression | -- |
| Nov 8 | 00:00 GMT | 7 | 142.8 | -- | 1,000 mb | Tropical Depression | -- |
| Nov 7 | 21:00 GMT | 6.83 | 142.9 | -- | 1,001 mb | Tropical Depression | -- |
| Nov 7 | 18:00 GMT | 6.7 | 143 | -- | 1,002 mb | Tropical Depression | -- |
| Nov 7 | 15:00 GMT | 6.59 | 143.14 | -- | 1,003 mb | Tropical Depression | -- |
| Nov 7 | 12:00 GMT | 6.5 | 143.3 | -- | 1,004 mb | Tropical Depression | -- |
Learn more about Tropical Depression Irma and the 1971 Central Pacific hurricane season in our hurricane archive.
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