Storm Activity: Dec 9, 1964 - Dec 18, 1964
Dec 18 · 06:00 GMT -- 1,000 mb Extratropical
| Dec 18 | 06:00 GMT | 27.1 | 139.3 | -- | 1,000 mb | Extratropical | -- |
| Dec 18 | 03:00 GMT | 26.71 | 138.65 | -- | 1,000 mb | Extratropical | -- |
| Dec 18 | 00:00 GMT | 26.3 | 137.7 | -- | 1,000 mb | Extratropical | -- |
| Dec 17 | 21:00 GMT | 25.88 | 136.26 | -- | 1,000 mb | Extratropical | -- |
| Dec 17 | 18:00 GMT | 25.5 | 134.5 | -- | 1,000 mb | Extratropical | -- |
| Dec 17 | 15:00 GMT | 25.29 | 132.66 | -- | 999 mb | Extratropical | -- |
| Dec 17 | 12:00 GMT | 25 | 130.8 | -- | 998 mb | Extratropical | -- |
| Dec 17 | 09:00 GMT | 24.49 | 129.12 | -- | 997 mb | Extratropical | -- |
| Dec 17 | 06:00 GMT | 23.7 | 127.5 | -- | 996 mb | Extratropical | -- |
| Dec 17 | 03:00 GMT | 22.5 | 125.69 | -- | 998 mb | Extratropical | -- |
| Dec 17 | 00:00 GMT | 21.3 | 124.2 | -- | 1,000 mb | Extratropical | -- |
| Dec 16 | 21:00 GMT | 20.53 | 123.43 | -- | 1,000 mb | Unknown | -- |
| Dec 16 | 18:00 GMT | 20 | 123 | -- | 1,000 mb | Unknown | -- |
| Dec 16 | 15:00 GMT | 19.59 | 122.49 | -- | 999 mb | Unknown | -- |
| Dec 16 | 12:00 GMT | 19.2 | 122 | -- | 998 mb | Unknown | -- |
| Dec 16 | 09:00 GMT | 18.58 | 121.47 | -- | 998 mb | Unknown | -- |
| Dec 16 | 06:00 GMT | 18 | 121 | -- | 998 mb | Unknown | -- |
| Dec 16 | 03:00 GMT | 17.71 | 120.63 | -- | 998 mb | Unknown | -- |
| Dec 16 | 00:00 GMT | 17.5 | 120.4 | -- | 998 mb | Unknown | -- |
| Dec 15 | 21:00 GMT | 17.16 | 120.29 | -- | 994 mb | Unknown | -- |
| Dec 15 | 18:00 GMT | 16.8 | 120.3 | -- | 990 mb | Unknown | -- |
| Dec 15 | 15:00 GMT | 16.5 | 120.39 | -- | 990 mb | Unknown | -- |
| Dec 15 | 12:00 GMT | 16.2 | 120.5 | -- | 990 mb | Unknown | -- |
| Dec 15 | 09:00 GMT | 15.8 | 120.47 | -- | 990 mb | Unknown | -- |
| Dec 15 | 06:00 GMT | 15.5 | 120.5 | -- | 990 mb | Unknown | -- |
| Dec 15 | 03:00 GMT | 15.46 | 120.75 | -- | 990 mb | Unknown | -- |
| Dec 15 | 00:00 GMT | 15.5 | 121.1 | -- | 990 mb | Unknown | -- |
| Dec 14 | 21:00 GMT | 15.46 | 121.44 | -- | 985 mb | Unknown | -- |
| Dec 14 | 18:00 GMT | 15.4 | 121.8 | -- | 980 mb | Unknown | -- |
| Dec 14 | 15:00 GMT | 15.38 | 122.17 | -- | 972 mb | Unknown | -- |
| Dec 14 | 12:00 GMT | 15.3 | 122.5 | -- | 965 mb | Unknown | -- |
| Dec 14 | 09:00 GMT | 15.07 | 122.73 | -- | 962 mb | Unknown | -- |
| Dec 14 | 06:00 GMT | 14.8 | 123 | -- | 960 mb | Unknown | -- |
| Dec 14 | 03:00 GMT | 14.6 | 123.44 | -- | 960 mb | Unknown | -- |
| Dec 14 | 00:00 GMT | 14.4 | 124 | -- | 960 mb | Unknown | -- |
| Dec 13 | 21:00 GMT | 14.15 | 124.64 | -- | 950 mb | Unknown | -- |
| Dec 13 | 18:00 GMT | 13.9 | 125.3 | -- | 940 mb | Unknown | -- |
| Dec 13 | 15:00 GMT | 13.71 | 125.86 | -- | 935 mb | Unknown | -- |
| Dec 13 | 12:00 GMT | 13.5 | 126.4 | -- | 930 mb | Unknown | -- |
| Dec 13 | 09:00 GMT | 13.15 | 127 | -- | 925 mb | Unknown | -- |
| Dec 13 | 06:00 GMT | 12.8 | 127.6 | -- | 920 mb | Unknown | -- |
| Dec 13 | 03:00 GMT | 12.59 | 128.16 | -- | 915 mb | Unknown | -- |
| Dec 13 | 00:00 GMT | 12.4 | 128.7 | -- | 910 mb | Unknown | -- |
| Dec 12 | 21:00 GMT | 12.14 | 129.26 | -- | 905 mb | Unknown | -- |
| Dec 12 | 18:00 GMT | 11.8 | 129.8 | -- | 900 mb | Unknown | -- |
| Dec 12 | 15:00 GMT | 11.33 | 130.27 | -- | 900 mb | Unknown | -- |
| Dec 12 | 12:00 GMT | 10.9 | 130.8 | -- | 900 mb | Unknown | -- |
| Dec 12 | 09:00 GMT | 10.71 | 131.54 | -- | 900 mb | Unknown | -- |
| Dec 12 | 06:00 GMT | 10.5 | 132.3 | -- | 900 mb | Unknown | -- |
| Dec 12 | 03:00 GMT | 9.95 | 132.93 | -- | 900 mb | Unknown | -- |
| Dec 12 | 00:00 GMT | 9.5 | 133.5 | -- | 900 mb | Unknown | -- |
| Dec 11 | 21:00 GMT | 9.55 | 134.05 | -- | 910 mb | Unknown | -- |
| Dec 11 | 18:00 GMT | 9.7 | 134.6 | -- | 920 mb | Unknown | -- |
| Dec 11 | 15:00 GMT | 9.61 | 135.19 | -- | 930 mb | Unknown | -- |
| Dec 11 | 12:00 GMT | 9.3 | 135.8 | -- | 940 mb | Unknown | -- |
| Dec 11 | 09:00 GMT | 8.63 | 136.39 | -- | 950 mb | Unknown | -- |
| Dec 11 | 06:00 GMT | 8 | 137 | -- | 960 mb | Unknown | -- |
| Dec 11 | 03:00 GMT | 7.87 | 137.63 | -- | 967 mb | Unknown | -- |
| Dec 11 | 00:00 GMT | 7.9 | 138.4 | -- | 975 mb | Unknown | -- |
| Dec 10 | 21:00 GMT | 7.8 | 139.46 | -- | 975 mb | Unknown | -- |
| Dec 10 | 18:00 GMT | 7.7 | 140.5 | -- | 975 mb | Unknown | -- |
| Dec 10 | 15:00 GMT | 7.67 | 141.19 | -- | 975 mb | Unknown | -- |
| Dec 10 | 12:00 GMT | 7.6 | 141.8 | -- | 975 mb | Unknown | -- |
| Dec 10 | 09:00 GMT | 7.36 | 142.58 | -- | 977 mb | Unknown | -- |
| Dec 10 | 06:00 GMT | 7.1 | 143.4 | -- | 980 mb | Unknown | -- |
| Dec 10 | 03:00 GMT | 6.93 | 144.19 | -- | 982 mb | Unknown | -- |
| Dec 10 | 00:00 GMT | 6.8 | 145 | -- | 985 mb | Unknown | -- |
| Dec 9 | 21:00 GMT | 6.68 | 145.81 | -- | 987 mb | Unknown | -- |
| Dec 9 | 18:00 GMT | 6.6 | 146.7 | -- | 990 mb | Unknown | -- |
| Dec 9 | 15:00 GMT | 6.54 | 147.73 | -- | 994 mb | Tropical Depression | -- |
| Dec 9 | 12:00 GMT | 6.5 | 148.8 | -- | 998 mb | Tropical Depression | -- |
| Dec 9 | 09:00 GMT | 6.51 | 149.82 | -- | 999 mb | Tropical Depression | -- |
| Dec 9 | 06:00 GMT | 6.5 | 150.8 | -- | 1,000 mb | Tropical Depression | -- |
| Dec 9 | 03:00 GMT | 6.42 | 151.76 | -- | 1,002 mb | Tropical Depression | -- |
| Dec 9 | 00:00 GMT | 6.3 | 152.7 | -- | 1,004 mb | Tropical Depression | -- |
Learn more about Tropical Depression Opal and the 1964 Western Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones