Storm Activity: Aug 25, 1974 - Sep 5, 1974
Sep 5 · 00:00 GMT -- 1,002 mb Extratropical
| Sep 5 | 00:00 GMT | 44 | 142.9 | -- | 1,002 mb | Extratropical | -- |
| Sep 4 | 21:00 GMT | 44 | 142.26 | -- | 1,002 mb | Extratropical | -- |
| Sep 4 | 18:00 GMT | 44 | 141.7 | -- | 1,002 mb | Extratropical | -- |
| Sep 4 | 15:00 GMT | 44 | 141.29 | -- | 1,002 mb | Extratropical | -- |
| Sep 4 | 12:00 GMT | 44 | 140.9 | -- | 1,002 mb | Extratropical | -- |
| Sep 4 | 09:00 GMT | 44 | 140.48 | -- | 1,001 mb | Extratropical | -- |
| Sep 4 | 06:00 GMT | 44 | 139.9 | -- | 1,000 mb | Extratropical | -- |
| Sep 4 | 03:00 GMT | 43.98 | 138.96 | -- | 1,000 mb | Extratropical | -- |
| Sep 4 | 00:00 GMT | 44 | 138 | -- | 1,000 mb | Extratropical | -- |
| Sep 3 | 21:00 GMT | 44.17 | 137.44 | -- | 997 mb | Extratropical | -- |
| Sep 3 | 18:00 GMT | 44.3 | 136.9 | -- | 994 mb | Extratropical | -- |
| Sep 3 | 15:00 GMT | 44.21 | 135.96 | -- | 993 mb | Extratropical | -- |
| Sep 3 | 12:00 GMT | 44 | 135.1 | -- | 992 mb | Extratropical | -- |
| Sep 3 | 09:00 GMT | 43.76 | 134.7 | -- | 990 mb | Extratropical | -- |
| Sep 3 | 06:00 GMT | 43.5 | 134.5 | -- | 988 mb | Extratropical | -- |
| Sep 3 | 03:00 GMT | 43.32 | 134.24 | -- | 988 mb | Extratropical | -- |
| Sep 3 | 00:00 GMT | 43.1 | 134 | -- | 988 mb | Extratropical | -- |
| Sep 2 | 21:00 GMT | 42.75 | 133.74 | -- | 986 mb | Unknown | -- |
| Sep 2 | 18:00 GMT | 42.3 | 133.5 | -- | 985 mb | Unknown | -- |
| Sep 2 | 15:00 GMT | 41.8 | 133.34 | -- | 985 mb | Unknown | -- |
| Sep 2 | 12:00 GMT | 41.2 | 133.2 | -- | 985 mb | Unknown | -- |
| Sep 2 | 09:00 GMT | 40.49 | 133.06 | -- | 985 mb | Unknown | -- |
| Sep 2 | 06:00 GMT | 39.7 | 132.9 | -- | 985 mb | Unknown | -- |
| Sep 2 | 03:00 GMT | 38.86 | 132.69 | -- | 985 mb | Unknown | -- |
| Sep 2 | 00:00 GMT | 38 | 132.5 | -- | 985 mb | Unknown | -- |
| Sep 1 | 21:00 GMT | 37.24 | 132.31 | -- | 982 mb | Unknown | -- |
| Sep 1 | 18:00 GMT | 36.4 | 132.3 | -- | 980 mb | Unknown | -- |
| Sep 1 | 15:00 GMT | 35.25 | 132.67 | -- | 977 mb | Unknown | -- |
| Sep 1 | 12:00 GMT | 34.1 | 133.1 | -- | 975 mb | Unknown | -- |
| Sep 1 | 09:00 GMT | 33.19 | 133.29 | -- | 965 mb | Unknown | -- |
| Sep 1 | 06:00 GMT | 32.5 | 133.4 | -- | 955 mb | Unknown | -- |
| Sep 1 | 03:00 GMT | 31.97 | 133.48 | -- | 955 mb | Unknown | -- |
| Sep 1 | 00:00 GMT | 31.6 | 133.6 | -- | 955 mb | Unknown | -- |
| Aug 31 | 21:00 GMT | 31.29 | 133.8 | -- | 955 mb | Unknown | -- |
| Aug 31 | 18:00 GMT | 31.1 | 134.1 | -- | 955 mb | Unknown | -- |
| Aug 31 | 15:00 GMT | 31.02 | 134.53 | -- | 952 mb | Unknown | -- |
| Aug 31 | 12:00 GMT | 31 | 135 | -- | 950 mb | Unknown | -- |
| Aug 31 | 09:00 GMT | 30.95 | 135.39 | -- | 950 mb | Unknown | -- |
| Aug 31 | 06:00 GMT | 30.9 | 135.8 | -- | 950 mb | Unknown | -- |
| Aug 31 | 03:00 GMT | 30.87 | 136.29 | -- | 952 mb | Unknown | -- |
| Aug 31 | 00:00 GMT | 30.8 | 136.8 | -- | 955 mb | Unknown | -- |
| Aug 30 | 21:00 GMT | 30.62 | 137.24 | -- | 955 mb | Unknown | -- |
| Aug 30 | 18:00 GMT | 30.4 | 137.7 | -- | 955 mb | Unknown | -- |
| Aug 30 | 15:00 GMT | 30.22 | 138.27 | -- | 957 mb | Unknown | -- |
| Aug 30 | 12:00 GMT | 30 | 138.8 | -- | 960 mb | Unknown | -- |
| Aug 30 | 09:00 GMT | 29.69 | 139.18 | -- | 957 mb | Unknown | -- |
| Aug 30 | 06:00 GMT | 29.3 | 139.5 | -- | 955 mb | Unknown | -- |
| Aug 30 | 03:00 GMT | 28.82 | 139.87 | -- | 955 mb | Unknown | -- |
| Aug 30 | 00:00 GMT | 28.3 | 140.2 | -- | 955 mb | Unknown | -- |
| Aug 29 | 21:00 GMT | 27.82 | 140.41 | -- | 955 mb | Unknown | -- |
| Aug 29 | 18:00 GMT | 27.3 | 140.6 | -- | 955 mb | Unknown | -- |
| Aug 29 | 15:00 GMT | 26.67 | 140.86 | -- | 952 mb | Unknown | -- |
| Aug 29 | 12:00 GMT | 26 | 141.1 | -- | 950 mb | Unknown | -- |
| Aug 29 | 09:00 GMT | 25.39 | 141.27 | -- | 950 mb | Unknown | -- |
| Aug 29 | 06:00 GMT | 24.8 | 141.4 | -- | 950 mb | Unknown | -- |
| Aug 29 | 03:00 GMT | 24.19 | 141.51 | -- | 950 mb | Unknown | -- |
| Aug 29 | 00:00 GMT | 23.6 | 141.6 | -- | 950 mb | Unknown | -- |
| Aug 28 | 21:00 GMT | 23.03 | 141.69 | -- | 950 mb | Unknown | -- |
| Aug 28 | 18:00 GMT | 22.5 | 141.8 | -- | 950 mb | Unknown | -- |
| Aug 28 | 15:00 GMT | 22.04 | 141.98 | -- | 950 mb | Unknown | -- |
| Aug 28 | 12:00 GMT | 21.6 | 142.2 | -- | 950 mb | Unknown | -- |
| Aug 28 | 09:00 GMT | 21.09 | 142.42 | -- | 955 mb | Unknown | -- |
| Aug 28 | 06:00 GMT | 20.6 | 142.7 | -- | 960 mb | Unknown | -- |
| Aug 28 | 03:00 GMT | 20.24 | 143.08 | -- | 960 mb | Unknown | -- |
| Aug 28 | 00:00 GMT | 19.8 | 143.5 | -- | 960 mb | Unknown | -- |
| Aug 27 | 21:00 GMT | 19.06 | 143.9 | -- | 962 mb | Unknown | -- |
| Aug 27 | 18:00 GMT | 18.3 | 144.3 | -- | 965 mb | Unknown | -- |
| Aug 27 | 15:00 GMT | 17.79 | 144.73 | -- | 970 mb | Unknown | -- |
| Aug 27 | 12:00 GMT | 17.4 | 145.1 | -- | 975 mb | Unknown | -- |
| Aug 27 | 09:00 GMT | 17.02 | 145.32 | -- | 975 mb | Unknown | -- |
| Aug 27 | 06:00 GMT | 16.7 | 145.5 | -- | 975 mb | Unknown | -- |
| Aug 27 | 03:00 GMT | 16.44 | 145.76 | -- | 980 mb | Unknown | -- |
| Aug 27 | 00:00 GMT | 16.2 | 146 | -- | 985 mb | Unknown | -- |
| Aug 26 | 21:00 GMT | 15.93 | 146.18 | -- | 987 mb | Unknown | -- |
| Aug 26 | 18:00 GMT | 15.7 | 146.3 | -- | 990 mb | Unknown | -- |
| Aug 26 | 15:00 GMT | 15.58 | 146.36 | -- | 991 mb | Unknown | -- |
| Aug 26 | 12:00 GMT | 15.5 | 146.4 | -- | 992 mb | Unknown | -- |
| Aug 26 | 09:00 GMT | 15.36 | 146.5 | -- | 994 mb | Tropical Depression | -- |
| Aug 26 | 06:00 GMT | 15.3 | 146.6 | -- | 996 mb | Tropical Depression | -- |
| Aug 26 | 03:00 GMT | 15.44 | 146.58 | -- | 999 mb | Tropical Depression | -- |
| Aug 26 | 00:00 GMT | 15.7 | 146.7 | -- | 1,003 mb | Tropical Depression | -- |
| Aug 25 | 21:00 GMT | 16 | 147.19 | -- | 1,003 mb | Tropical Depression | -- |
| Aug 25 | 18:00 GMT | 16.3 | 147.8 | -- | 1,004 mb | Tropical Depression | -- |
| Aug 25 | 15:00 GMT | 16.53 | 148.25 | -- | 1,004 mb | Tropical Depression | -- |
| Aug 25 | 12:00 GMT | 16.7 | 148.7 | -- | 1,004 mb | Tropical Depression | -- |
| Aug 25 | 09:00 GMT | 16.82 | 149.23 | -- | 1,004 mb | Tropical Depression | -- |
| Aug 25 | 06:00 GMT | 16.9 | 149.8 | -- | 1,004 mb | Tropical Depression | -- |
| Aug 25 | 03:00 GMT | 16.96 | 150.4 | -- | 1,006 mb | Tropical Depression | -- |
| Aug 25 | 00:00 GMT | 17 | 151 | -- | 1,008 mb | Tropical Depression | -- |
Learn more about Tropical Depression Polly and the 1974 Western Pacific hurricane season in our hurricane archive.
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