Storm Activity: Aug 23, 1959 - Sep 2, 1959
Sep 2 · 12:00 GMT -- 1,004 mb Extratropical
| Sep 2 | 12:00 GMT | 35.8 | 140.4 | -- | 1,004 mb | Extratropical | -- |
| Sep 2 | 09:00 GMT | 36.15 | 140.25 | -- | 1,002 mb | Extratropical | -- |
| Sep 2 | 06:00 GMT | 36.7 | 139.5 | -- | 1,000 mb | Extratropical | -- |
| Sep 2 | 03:00 GMT | 37.5 | 137.76 | -- | 1,000 mb | Extratropical | -- |
| Sep 2 | 00:00 GMT | 38 | 135.5 | -- | 1,000 mb | Extratropical | -- |
| Sep 1 | 21:00 GMT | 37.6 | 133.31 | -- | 1,000 mb | Extratropical | -- |
| Sep 1 | 18:00 GMT | 37 | 131.4 | -- | 1,000 mb | Extratropical | -- |
| Sep 1 | 15:00 GMT | 37.07 | 130.19 | -- | 1,000 mb | Extratropical | -- |
| Sep 1 | 12:00 GMT | 37 | 129 | -- | 1,000 mb | Extratropical | -- |
| Sep 1 | 09:00 GMT | 36.23 | 127.12 | -- | 999 mb | Extratropical | -- |
| Sep 1 | 06:00 GMT | 35 | 125.2 | -- | 998 mb | Extratropical | -- |
| Sep 1 | 03:00 GMT | 33.47 | 123.75 | -- | 998 mb | Extratropical | -- |
| Sep 1 | 00:00 GMT | 32 | 122.5 | -- | 998 mb | Extratropical | -- |
| Aug 31 | 21:00 GMT | 31.06 | 121.22 | -- | 997 mb | Extratropical | -- |
| Aug 31 | 18:00 GMT | 30.4 | 120 | -- | 996 mb | Extratropical | -- |
| Aug 31 | 15:00 GMT | 29.75 | 118.77 | -- | 995 mb | Tropical Depression | -- |
| Aug 31 | 12:00 GMT | 29.2 | 117.8 | -- | 994 mb | Tropical Depression | -- |
| Aug 31 | 09:00 GMT | 28.7 | 117.29 | -- | 993 mb | Tropical Depression | -- |
| Aug 31 | 06:00 GMT | 28.3 | 117.1 | -- | 992 mb | Tropical Depression | -- |
| Aug 31 | 03:00 GMT | 28.04 | 117.01 | -- | 986 mb | Unknown | -- |
| Aug 31 | 00:00 GMT | 27.8 | 117 | -- | 980 mb | Unknown | -- |
| Aug 30 | 21:00 GMT | 27.46 | 116.94 | -- | 980 mb | Unknown | -- |
| Aug 30 | 18:00 GMT | 27 | 116.9 | -- | 980 mb | Unknown | -- |
| Aug 30 | 15:00 GMT | 26.34 | 116.85 | -- | 980 mb | Unknown | -- |
| Aug 30 | 12:00 GMT | 25.7 | 117 | -- | 980 mb | Unknown | -- |
| Aug 30 | 09:00 GMT | 25.31 | 117.48 | -- | 977 mb | Unknown | -- |
| Aug 30 | 06:00 GMT | 25 | 118.2 | -- | 975 mb | Unknown | -- |
| Aug 30 | 03:00 GMT | 24.61 | 119.07 | -- | 962 mb | Unknown | -- |
| Aug 30 | 00:00 GMT | 24.2 | 119.9 | -- | 950 mb | Unknown | -- |
| Aug 29 | 21:00 GMT | 23.78 | 120.39 | -- | 950 mb | Unknown | -- |
| Aug 29 | 18:00 GMT | 23.4 | 120.8 | -- | 950 mb | Unknown | -- |
| Aug 29 | 15:00 GMT | 23.09 | 121.32 | -- | 925 mb | Unknown | -- |
| Aug 29 | 12:00 GMT | 22.8 | 121.9 | -- | 900 mb | Unknown | -- |
| Aug 29 | 09:00 GMT | 22.46 | 122.51 | -- | 900 mb | Unknown | -- |
| Aug 29 | 06:00 GMT | 22.1 | 123.2 | -- | 900 mb | Unknown | -- |
| Aug 29 | 03:00 GMT | 21.69 | 123.99 | -- | 892 mb | Unknown | -- |
| Aug 29 | 00:00 GMT | 21.3 | 124.8 | -- | 885 mb | Unknown | -- |
| Aug 28 | 21:00 GMT | 20.99 | 125.5 | -- | 892 mb | Unknown | -- |
| Aug 28 | 18:00 GMT | 20.7 | 126.2 | -- | 900 mb | Unknown | -- |
| Aug 28 | 15:00 GMT | 20.37 | 127 | -- | 900 mb | Unknown | -- |
| Aug 28 | 12:00 GMT | 20 | 127.8 | -- | 900 mb | Unknown | -- |
| Aug 28 | 09:00 GMT | 19.58 | 128.55 | -- | 900 mb | Unknown | -- |
| Aug 28 | 06:00 GMT | 19.2 | 129.2 | -- | 900 mb | Unknown | -- |
| Aug 28 | 03:00 GMT | 18.96 | 129.68 | -- | 910 mb | Unknown | -- |
| Aug 28 | 00:00 GMT | 18.7 | 130.2 | -- | 920 mb | Unknown | -- |
| Aug 27 | 21:00 GMT | 18.27 | 130.98 | -- | 935 mb | Unknown | -- |
| Aug 27 | 18:00 GMT | 17.8 | 131.8 | -- | 950 mb | Unknown | -- |
| Aug 27 | 15:00 GMT | 17.42 | 132.48 | -- | 952 mb | Unknown | -- |
| Aug 27 | 12:00 GMT | 17.1 | 133.1 | -- | 955 mb | Unknown | -- |
| Aug 27 | 09:00 GMT | 16.81 | 133.68 | -- | 955 mb | Unknown | -- |
| Aug 27 | 06:00 GMT | 16.6 | 134.3 | -- | 955 mb | Unknown | -- |
| Aug 27 | 03:00 GMT | 16.49 | 135.1 | -- | 962 mb | Unknown | -- |
| Aug 27 | 00:00 GMT | 16.4 | 135.9 | -- | 970 mb | Unknown | -- |
| Aug 26 | 21:00 GMT | 16.25 | 136.55 | -- | 975 mb | Unknown | -- |
| Aug 26 | 18:00 GMT | 16.1 | 137.1 | -- | 980 mb | Unknown | -- |
| Aug 26 | 15:00 GMT | 15.98 | 137.62 | -- | 980 mb | Unknown | -- |
| Aug 26 | 12:00 GMT | 15.9 | 138.1 | -- | 980 mb | Unknown | -- |
| Aug 26 | 09:00 GMT | 15.83 | 138.55 | -- | 982 mb | Unknown | -- |
| Aug 26 | 06:00 GMT | 15.8 | 139 | -- | 985 mb | Unknown | -- |
| Aug 26 | 03:00 GMT | 15.78 | 139.49 | -- | 985 mb | Unknown | -- |
| Aug 26 | 00:00 GMT | 15.8 | 140 | -- | 985 mb | Unknown | -- |
| Aug 25 | 21:00 GMT | 15.85 | 140.54 | -- | 991 mb | Unknown | -- |
| Aug 25 | 18:00 GMT | 15.9 | 141.1 | -- | 998 mb | Unknown | -- |
| Aug 25 | 15:00 GMT | 15.91 | 141.72 | -- | 999 mb | Unknown | -- |
| Aug 25 | 12:00 GMT | 15.9 | 142.3 | -- | 1,000 mb | Unknown | -- |
| Aug 25 | 09:00 GMT | 15.92 | 142.75 | -- | 1,000 mb | Unknown | -- |
| Aug 25 | 06:00 GMT | 15.9 | 143.2 | -- | 1,000 mb | Unknown | -- |
| Aug 25 | 03:00 GMT | 15.83 | 143.9 | -- | 1,001 mb | Tropical Depression | -- |
| Aug 25 | 00:00 GMT | 15.6 | 144.4 | -- | 1,002 mb | Tropical Depression | -- |
| Aug 24 | 21:00 GMT | 15.08 | 144.37 | -- | 1,003 mb | Tropical Depression | -- |
| Aug 24 | 18:00 GMT | 14.5 | 144 | -- | 1,004 mb | Tropical Depression | -- |
| Aug 24 | 15:00 GMT | 14.12 | 143.5 | -- | 1,006 mb | Tropical Depression | -- |
| Aug 24 | 12:00 GMT | 13.8 | 142.9 | -- | 1,008 mb | Tropical Depression | -- |
| Aug 24 | 09:00 GMT | 13.44 | 142.37 | -- | 1,007 mb | Tropical Depression | -- |
| Aug 24 | 06:00 GMT | 13.1 | 141.8 | -- | 1,006 mb | Tropical Depression | -- |
| Aug 24 | 03:00 GMT | 12.79 | 141.09 | -- | 1,007 mb | Tropical Depression | -- |
| Aug 24 | 00:00 GMT | 12.5 | 140.4 | -- | 1,008 mb | Tropical Depression | -- |
| Aug 23 | 21:00 GMT | 12.24 | 139.85 | -- | 1,008 mb | Tropical Depression | -- |
| Aug 23 | 18:00 GMT | 12 | 139.4 | -- | 1,008 mb | Tropical Depression | -- |
Learn more about Tropical Depression Joan and the 1959 Western Pacific hurricane season in our hurricane archive.
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