Storm Activity: Dec 23, 1959 - Jan 3, 1960
Jan 3 · 18:00 GMT -- 1,006 mb Tropical Depression
| Jan 3 | 18:00 GMT | 8 | 111 | -- | 1,006 mb | Tropical Depression | -- |
| Jan 3 | 15:00 GMT | 8 | 111.5 | -- | 1,006 mb | Tropical Depression | -- |
| Jan 3 | 12:00 GMT | 8 | 112 | -- | 1,006 mb | Tropical Depression | -- |
| Jan 3 | 09:00 GMT | 8 | 112.5 | -- | 1,006 mb | Tropical Depression | -- |
| Jan 3 | 06:00 GMT | 8 | 113 | -- | 1,006 mb | Tropical Depression | -- |
| Jan 3 | 03:00 GMT | 8 | 113.5 | -- | 1,007 mb | Tropical Depression | -- |
| Jan 3 | 00:00 GMT | 8 | 114 | -- | 1,008 mb | Tropical Depression | -- |
| Jan 2 | 21:00 GMT | 7.96 | 114.5 | -- | 1,008 mb | Tropical Depression | -- |
| Jan 2 | 18:00 GMT | 8 | 115 | -- | 1,008 mb | Tropical Depression | -- |
| Jan 2 | 15:00 GMT | 8.15 | 115.55 | -- | 1,008 mb | Tropical Depression | -- |
| Jan 2 | 12:00 GMT | 8.5 | 116 | -- | 1,008 mb | Tropical Depression | -- |
| Jan 2 | 09:00 GMT | 9.15 | 116.21 | -- | 1,006 mb | Unknown | -- |
| Jan 2 | 06:00 GMT | 9.8 | 116.4 | -- | 1,004 mb | Unknown | -- |
| Jan 2 | 03:00 GMT | 10.09 | 116.81 | -- | 1,002 mb | Unknown | -- |
| Jan 2 | 00:00 GMT | 10.3 | 117.3 | -- | 1,000 mb | Unknown | -- |
| Jan 1 | 21:00 GMT | 10.7 | 117.8 | -- | 998 mb | Unknown | -- |
| Jan 1 | 18:00 GMT | 11.1 | 118.3 | -- | 996 mb | Unknown | -- |
| Jan 1 | 15:00 GMT | 11.36 | 118.77 | -- | 995 mb | Unknown | -- |
| Jan 1 | 12:00 GMT | 11.6 | 119.2 | -- | 995 mb | Unknown | -- |
| Jan 1 | 09:00 GMT | 11.88 | 119.59 | -- | 995 mb | Unknown | -- |
| Jan 1 | 06:00 GMT | 12.2 | 120 | -- | 995 mb | Unknown | -- |
| Jan 1 | 03:00 GMT | 12.61 | 120.5 | -- | 995 mb | Unknown | -- |
| Jan 1 | 00:00 GMT | 13 | 121 | -- | 995 mb | Unknown | -- |
| Dec 31 | 21:00 GMT | 13.29 | 121.42 | -- | 982 mb | Unknown | -- |
| Dec 31 | 18:00 GMT | 13.5 | 121.8 | -- | 970 mb | Unknown | -- |
| Dec 31 | 15:00 GMT | 13.63 | 122.21 | -- | 962 mb | Unknown | -- |
| Dec 31 | 12:00 GMT | 13.7 | 122.6 | -- | 955 mb | Unknown | -- |
| Dec 31 | 09:00 GMT | 13.76 | 122.89 | -- | 955 mb | Unknown | -- |
| Dec 31 | 06:00 GMT | 13.8 | 123.3 | -- | 955 mb | Unknown | -- |
| Dec 31 | 03:00 GMT | 13.82 | 124.15 | -- | 955 mb | Unknown | -- |
| Dec 31 | 00:00 GMT | 13.8 | 124.9 | -- | 955 mb | Unknown | -- |
| Dec 30 | 21:00 GMT | 13.75 | 125 | -- | 952 mb | Unknown | -- |
| Dec 30 | 18:00 GMT | 13.7 | 125 | -- | 950 mb | Unknown | -- |
| Dec 30 | 15:00 GMT | 13.66 | 125.39 | -- | 950 mb | Unknown | -- |
| Dec 30 | 12:00 GMT | 13.7 | 125.9 | -- | 950 mb | Unknown | -- |
| Dec 30 | 09:00 GMT | 13.94 | 126.35 | -- | 950 mb | Unknown | -- |
| Dec 30 | 06:00 GMT | 14.2 | 126.8 | -- | 950 mb | Unknown | -- |
| Dec 30 | 03:00 GMT | 14.28 | 127.28 | -- | 947 mb | Unknown | -- |
| Dec 30 | 00:00 GMT | 14.3 | 127.7 | -- | 945 mb | Unknown | -- |
| Dec 29 | 21:00 GMT | 14.36 | 127.96 | -- | 942 mb | Unknown | -- |
| Dec 29 | 18:00 GMT | 14.4 | 128.2 | -- | 940 mb | Unknown | -- |
| Dec 29 | 15:00 GMT | 14.41 | 128.58 | -- | 940 mb | Unknown | -- |
| Dec 29 | 12:00 GMT | 14.4 | 129 | -- | 940 mb | Unknown | -- |
| Dec 29 | 09:00 GMT | 14.39 | 129.39 | -- | 942 mb | Unknown | -- |
| Dec 29 | 06:00 GMT | 14.4 | 129.8 | -- | 945 mb | Unknown | -- |
| Dec 29 | 03:00 GMT | 14.47 | 130.23 | -- | 947 mb | Unknown | -- |
| Dec 29 | 00:00 GMT | 14.5 | 130.8 | -- | 950 mb | Unknown | -- |
| Dec 28 | 21:00 GMT | 14.39 | 131.64 | -- | 940 mb | Unknown | -- |
| Dec 28 | 18:00 GMT | 14.2 | 132.5 | -- | 930 mb | Unknown | -- |
| Dec 28 | 15:00 GMT | 14.02 | 133.08 | -- | 930 mb | Unknown | -- |
| Dec 28 | 12:00 GMT | 13.8 | 133.6 | -- | 930 mb | Unknown | -- |
| Dec 28 | 09:00 GMT | 13.48 | 134.21 | -- | 930 mb | Unknown | -- |
| Dec 28 | 06:00 GMT | 13.2 | 134.9 | -- | 930 mb | Unknown | -- |
| Dec 28 | 03:00 GMT | 13.1 | 135.68 | -- | 940 mb | Unknown | -- |
| Dec 28 | 00:00 GMT | 13 | 136.5 | -- | 950 mb | Unknown | -- |
| Dec 27 | 21:00 GMT | 12.72 | 137.24 | -- | 962 mb | Unknown | -- |
| Dec 27 | 18:00 GMT | 12.4 | 138 | -- | 975 mb | Unknown | -- |
| Dec 27 | 15:00 GMT | 12.16 | 138.84 | -- | 977 mb | Unknown | -- |
| Dec 27 | 12:00 GMT | 11.9 | 139.7 | -- | 980 mb | Unknown | -- |
| Dec 27 | 09:00 GMT | 11.51 | 140.51 | -- | 980 mb | Unknown | -- |
| Dec 27 | 06:00 GMT | 11.1 | 141.3 | -- | 980 mb | Unknown | -- |
| Dec 27 | 03:00 GMT | 10.7 | 142.1 | -- | 980 mb | Unknown | -- |
| Dec 27 | 00:00 GMT | 10.4 | 142.9 | -- | 980 mb | Unknown | -- |
| Dec 26 | 21:00 GMT | 10.31 | 143.71 | -- | 977 mb | Unknown | -- |
| Dec 26 | 18:00 GMT | 10.2 | 144.5 | -- | 975 mb | Unknown | -- |
| Dec 26 | 15:00 GMT | 9.82 | 145.27 | -- | 975 mb | Unknown | -- |
| Dec 26 | 12:00 GMT | 9.3 | 146 | -- | 975 mb | Unknown | -- |
| Dec 26 | 09:00 GMT | 8.75 | 146.7 | -- | 975 mb | Unknown | -- |
| Dec 26 | 06:00 GMT | 8.2 | 147.3 | -- | 975 mb | Unknown | -- |
| Dec 26 | 03:00 GMT | 7.74 | 147.74 | -- | 975 mb | Unknown | -- |
| Dec 26 | 00:00 GMT | 7.3 | 148.1 | -- | 975 mb | Unknown | -- |
| Dec 25 | 21:00 GMT | 6.76 | 148.49 | -- | 977 mb | Unknown | -- |
| Dec 25 | 18:00 GMT | 6.3 | 148.9 | -- | 980 mb | Unknown | -- |
| Dec 25 | 15:00 GMT | 6.07 | 149.39 | -- | 980 mb | Unknown | -- |
| Dec 25 | 12:00 GMT | 5.9 | 149.9 | -- | 980 mb | Unknown | -- |
| Dec 25 | 09:00 GMT | 5.61 | 150.37 | -- | 980 mb | Unknown | -- |
| Dec 25 | 06:00 GMT | 5.3 | 150.8 | -- | 980 mb | Unknown | -- |
| Dec 25 | 03:00 GMT | 5.05 | 151.22 | -- | 982 mb | Unknown | -- |
| Dec 25 | 00:00 GMT | 4.8 | 151.6 | -- | 985 mb | Unknown | -- |
| Dec 24 | 21:00 GMT | 4.48 | 151.97 | -- | 987 mb | Unknown | -- |
| Dec 24 | 18:00 GMT | 4.2 | 152.3 | -- | 990 mb | Unknown | -- |
| Dec 24 | 15:00 GMT | 4.04 | 152.62 | -- | 990 mb | Unknown | -- |
| Dec 24 | 12:00 GMT | 3.9 | 152.9 | -- | 990 mb | Unknown | -- |
| Dec 24 | 09:00 GMT | 3.66 | 153.12 | -- | 992 mb | Unknown | -- |
| Dec 24 | 06:00 GMT | 3.4 | 153.3 | -- | 995 mb | Unknown | -- |
| Dec 24 | 03:00 GMT | 3.15 | 153.49 | -- | 995 mb | Unknown | -- |
| Dec 24 | 00:00 GMT | 3 | 153.6 | -- | 995 mb | Unknown | -- |
| Dec 23 | 21:00 GMT | 3.07 | 153.57 | -- | 995 mb | Tropical Depression | -- |
| Dec 23 | 18:00 GMT | 3.2 | 153.5 | -- | 995 mb | Tropical Depression | -- |
| Dec 23 | 15:00 GMT | 3.22 | 153.49 | -- | 995 mb | Tropical Depression | -- |
| Dec 23 | 12:00 GMT | 3.2 | 153.5 | -- | 995 mb | Tropical Depression | -- |
| Dec 23 | 09:00 GMT | 3.2 | 153.5 | -- | 995 mb | Tropical Depression | -- |
| Dec 23 | 06:00 GMT | 3.2 | 153.5 | -- | 995 mb | Tropical Depression | -- |
Learn more about Tropical Depression Harriet and the 1959 Western Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones