Storm Activity: Apr 13, 1959 - Apr 23, 1959
Apr 23 · 12:00 GMT -- 1,004 mb Unknown
| Apr 23 | 12:00 GMT | 29 | 143.7 | -- | 1,004 mb | Unknown | -- |
| Apr 23 | 09:00 GMT | 28.06 | 142.64 | -- | 1,002 mb | Unknown | -- |
| Apr 23 | 06:00 GMT | 27 | 141.6 | -- | 1,000 mb | Unknown | -- |
| Apr 23 | 03:00 GMT | 25.77 | 140.59 | -- | 997 mb | Unknown | -- |
| Apr 23 | 00:00 GMT | 24.5 | 139.6 | -- | 995 mb | Unknown | -- |
| Apr 22 | 21:00 GMT | 23.23 | 138.53 | -- | 995 mb | Unknown | -- |
| Apr 22 | 18:00 GMT | 22.2 | 137.7 | -- | 995 mb | Unknown | -- |
| Apr 22 | 15:00 GMT | 21.62 | 137.38 | -- | 995 mb | Unknown | -- |
| Apr 22 | 12:00 GMT | 21.3 | 137.3 | -- | 995 mb | Unknown | -- |
| Apr 22 | 09:00 GMT | 21.04 | 137.12 | -- | 995 mb | Unknown | -- |
| Apr 22 | 06:00 GMT | 20.7 | 137 | -- | 995 mb | Unknown | -- |
| Apr 22 | 03:00 GMT | 20.01 | 136.95 | -- | 995 mb | Unknown | -- |
| Apr 22 | 00:00 GMT | 19.3 | 137 | -- | 995 mb | Unknown | -- |
| Apr 21 | 21:00 GMT | 18.8 | 137.19 | -- | 992 mb | Unknown | -- |
| Apr 21 | 18:00 GMT | 18.5 | 137.4 | -- | 990 mb | Unknown | -- |
| Apr 21 | 15:00 GMT | 18.43 | 137.53 | -- | 987 mb | Unknown | -- |
| Apr 21 | 12:00 GMT | 18.5 | 137.6 | -- | 985 mb | Unknown | -- |
| Apr 21 | 09:00 GMT | 18.6 | 137.65 | -- | 985 mb | Unknown | -- |
| Apr 21 | 06:00 GMT | 18.7 | 137.6 | -- | 985 mb | Unknown | -- |
| Apr 21 | 03:00 GMT | 18.73 | 137.37 | -- | 980 mb | Unknown | -- |
| Apr 21 | 00:00 GMT | 18.7 | 137.1 | -- | 975 mb | Unknown | -- |
| Apr 20 | 21:00 GMT | 18.64 | 136.98 | -- | 967 mb | Unknown | -- |
| Apr 20 | 18:00 GMT | 18.5 | 136.9 | -- | 960 mb | Unknown | -- |
| Apr 20 | 15:00 GMT | 18.28 | 136.79 | -- | 955 mb | Unknown | -- |
| Apr 20 | 12:00 GMT | 18 | 136.7 | -- | 950 mb | Unknown | -- |
| Apr 20 | 09:00 GMT | 17.7 | 136.64 | -- | 947 mb | Unknown | -- |
| Apr 20 | 06:00 GMT | 17.4 | 136.6 | -- | 945 mb | Unknown | -- |
| Apr 20 | 03:00 GMT | 17.16 | 136.53 | -- | 942 mb | Unknown | -- |
| Apr 20 | 00:00 GMT | 16.9 | 136.5 | -- | 940 mb | Unknown | -- |
| Apr 19 | 21:00 GMT | 16.57 | 136.58 | -- | 937 mb | Unknown | -- |
| Apr 19 | 18:00 GMT | 16.2 | 136.7 | -- | 935 mb | Unknown | -- |
| Apr 19 | 15:00 GMT | 15.82 | 136.79 | -- | 932 mb | Unknown | -- |
| Apr 19 | 12:00 GMT | 15.4 | 136.9 | -- | 930 mb | Unknown | -- |
| Apr 19 | 09:00 GMT | 14.95 | 137.03 | -- | 930 mb | Unknown | -- |
| Apr 19 | 06:00 GMT | 14.5 | 137.2 | -- | 930 mb | Unknown | -- |
| Apr 19 | 03:00 GMT | 14.06 | 137.46 | -- | 930 mb | Unknown | -- |
| Apr 19 | 00:00 GMT | 13.7 | 137.7 | -- | 930 mb | Unknown | -- |
| Apr 18 | 21:00 GMT | 13.47 | 137.79 | -- | 930 mb | Unknown | -- |
| Apr 18 | 18:00 GMT | 13.3 | 137.9 | -- | 930 mb | Unknown | -- |
| Apr 18 | 15:00 GMT | 13.1 | 138.22 | -- | 930 mb | Unknown | -- |
| Apr 18 | 12:00 GMT | 12.9 | 138.6 | -- | 930 mb | Unknown | -- |
| Apr 18 | 09:00 GMT | 12.69 | 138.9 | -- | 930 mb | Unknown | -- |
| Apr 18 | 06:00 GMT | 12.5 | 139.2 | -- | 930 mb | Unknown | -- |
| Apr 18 | 03:00 GMT | 12.35 | 139.53 | -- | 930 mb | Unknown | -- |
| Apr 18 | 00:00 GMT | 12.2 | 139.9 | -- | 930 mb | Unknown | -- |
| Apr 17 | 21:00 GMT | 12.02 | 140.36 | -- | 930 mb | Unknown | -- |
| Apr 17 | 18:00 GMT | 11.8 | 140.8 | -- | 930 mb | Unknown | -- |
| Apr 17 | 15:00 GMT | 11.51 | 141.12 | -- | 932 mb | Unknown | -- |
| Apr 17 | 12:00 GMT | 11.2 | 141.4 | -- | 935 mb | Unknown | -- |
| Apr 17 | 09:00 GMT | 10.87 | 141.71 | -- | 937 mb | Unknown | -- |
| Apr 17 | 06:00 GMT | 10.6 | 142 | -- | 940 mb | Unknown | -- |
| Apr 17 | 03:00 GMT | 10.47 | 142.25 | -- | 942 mb | Unknown | -- |
| Apr 17 | 00:00 GMT | 10.4 | 142.5 | -- | 945 mb | Unknown | -- |
| Apr 16 | 21:00 GMT | 10.29 | 142.79 | -- | 947 mb | Unknown | -- |
| Apr 16 | 18:00 GMT | 10.2 | 143.1 | -- | 950 mb | Unknown | -- |
| Apr 16 | 15:00 GMT | 10.17 | 143.44 | -- | 952 mb | Unknown | -- |
| Apr 16 | 12:00 GMT | 10.1 | 143.8 | -- | 955 mb | Unknown | -- |
| Apr 16 | 09:00 GMT | 9.93 | 144.19 | -- | 957 mb | Unknown | -- |
| Apr 16 | 06:00 GMT | 9.7 | 144.6 | -- | 960 mb | Unknown | -- |
| Apr 16 | 03:00 GMT | 9.47 | 145.03 | -- | 962 mb | Unknown | -- |
| Apr 16 | 00:00 GMT | 9.2 | 145.4 | -- | 965 mb | Unknown | -- |
| Apr 15 | 21:00 GMT | 8.91 | 145.63 | -- | 972 mb | Unknown | -- |
| Apr 15 | 18:00 GMT | 8.6 | 145.8 | -- | 980 mb | Unknown | -- |
| Apr 15 | 15:00 GMT | 8.29 | 146 | -- | 982 mb | Unknown | -- |
| Apr 15 | 12:00 GMT | 8 | 146.2 | -- | 985 mb | Unknown | -- |
| Apr 15 | 09:00 GMT | 7.72 | 146.43 | -- | 987 mb | Unknown | -- |
| Apr 15 | 06:00 GMT | 7.5 | 146.6 | -- | 990 mb | Unknown | -- |
| Apr 15 | 03:00 GMT | 7.37 | 146.62 | -- | 991 mb | Unknown | -- |
| Apr 15 | 00:00 GMT | 7.3 | 146.6 | -- | 992 mb | Unknown | -- |
| Apr 14 | 21:00 GMT | 7.27 | 146.65 | -- | 993 mb | Unknown | -- |
| Apr 14 | 18:00 GMT | 7.2 | 146.8 | -- | 995 mb | Unknown | -- |
| Apr 14 | 15:00 GMT | 7 | 147.13 | -- | 997 mb | Unknown | -- |
| Apr 14 | 12:00 GMT | 6.7 | 147.5 | -- | 1,000 mb | Unknown | -- |
| Apr 14 | 09:00 GMT | 6.36 | 147.78 | -- | 1,000 mb | Unknown | -- |
| Apr 14 | 06:00 GMT | 6 | 148 | -- | 1,000 mb | Unknown | -- |
| Apr 14 | 03:00 GMT | 5.65 | 148.17 | -- | 1,001 mb | Tropical Depression | -- |
| Apr 14 | 00:00 GMT | 5.3 | 148.3 | -- | 1,002 mb | Tropical Depression | -- |
| Apr 13 | 21:00 GMT | 4.95 | 148.45 | -- | 1,003 mb | Tropical Depression | -- |
| Apr 13 | 18:00 GMT | 4.6 | 148.6 | -- | 1,004 mb | Tropical Depression | -- |
Learn more about Tropical Depression Tilda and the 1959 Western Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones