Storm Activity: Sep 4, 1961 - Sep 11, 1961
Sep 11 · 06:00 GMT -- 1,004 mb Tropical Depression
| Sep 11 | 06:00 GMT | 27 | 113 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 03:00 GMT | 26.52 | 113.01 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 00:00 GMT | 26 | 113 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 10 | 21:00 GMT | 25.45 | 112.96 | -- | 1,003 mb | Tropical Depression | -- |
| Sep 10 | 18:00 GMT | 25 | 113 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 10 | 15:00 GMT | 24.83 | 113.21 | -- | 1,000 mb | Tropical Depression | -- |
| Sep 10 | 12:00 GMT | 24.7 | 113.5 | -- | 998 mb | Tropical Depression | -- |
| Sep 10 | 09:00 GMT | 24.37 | 113.79 | -- | 995 mb | Tropical Depression | -- |
| Sep 10 | 06:00 GMT | 24 | 114 | -- | 992 mb | Tropical Depression | -- |
| Sep 10 | 03:00 GMT | 23.71 | 114.01 | -- | 992 mb | Unknown | -- |
| Sep 10 | 00:00 GMT | 23.4 | 114 | -- | 992 mb | Unknown | -- |
| Sep 9 | 21:00 GMT | 22.95 | 114.18 | -- | 988 mb | Unknown | -- |
| Sep 9 | 18:00 GMT | 22.5 | 114.4 | -- | 985 mb | Unknown | -- |
| Sep 9 | 15:00 GMT | 22.17 | 114.54 | -- | 985 mb | Unknown | -- |
| Sep 9 | 12:00 GMT | 21.9 | 114.7 | -- | 985 mb | Unknown | -- |
| Sep 9 | 09:00 GMT | 21.65 | 114.94 | -- | 987 mb | Unknown | -- |
| Sep 9 | 06:00 GMT | 21.4 | 115.2 | -- | 990 mb | Unknown | -- |
| Sep 9 | 03:00 GMT | 21.09 | 115.42 | -- | 991 mb | Unknown | -- |
| Sep 9 | 00:00 GMT | 20.8 | 115.6 | -- | 992 mb | Unknown | -- |
| Sep 8 | 21:00 GMT | 20.63 | 115.76 | -- | 992 mb | Tropical Depression | -- |
| Sep 8 | 18:00 GMT | 20.5 | 115.9 | -- | 992 mb | Tropical Depression | -- |
| Sep 8 | 15:00 GMT | 20.34 | 116.04 | -- | 994 mb | Tropical Depression | -- |
| Sep 8 | 12:00 GMT | 20.2 | 116.2 | -- | 996 mb | Tropical Depression | -- |
| Sep 8 | 09:00 GMT | 20.09 | 116.39 | -- | 996 mb | Tropical Depression | -- |
| Sep 8 | 06:00 GMT | 20 | 116.6 | -- | 996 mb | Tropical Depression | -- |
| Sep 8 | 03:00 GMT | 19.94 | 116.8 | -- | 998 mb | Tropical Depression | -- |
| Sep 8 | 00:00 GMT | 19.9 | 117 | -- | 1,000 mb | Tropical Depression | -- |
| Sep 7 | 21:00 GMT | 19.87 | 117.21 | -- | 1,001 mb | Tropical Depression | -- |
| Sep 7 | 18:00 GMT | 19.8 | 117.4 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 7 | 15:00 GMT | 19.59 | 117.54 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 7 | 12:00 GMT | 19.4 | 117.7 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 7 | 09:00 GMT | 19.36 | 117.94 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 7 | 06:00 GMT | 19.4 | 118.2 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 7 | 03:00 GMT | 19.44 | 118.29 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 7 | 00:00 GMT | 19.5 | 118.7 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 6 | 21:00 GMT | 19.59 | 119.97 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 6 | 18:00 GMT | 19.6 | 121.4 | -- | 1,003 mb | Tropical Depression | -- |
| Sep 6 | 15:00 GMT | 19.42 | 122.33 | -- | 1,003 mb | Tropical Depression | -- |
| Sep 6 | 12:00 GMT | 19.2 | 123 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 6 | 09:00 GMT | 19.08 | 123.51 | -- | 1,005 mb | Tropical Depression | -- |
| Sep 6 | 06:00 GMT | 19 | 124 | -- | 1,006 mb | Tropical Depression | -- |
| Sep 6 | 03:00 GMT | 18.95 | 124.71 | -- | 1,006 mb | Tropical Depression | -- |
| Sep 6 | 00:00 GMT | 18.8 | 125.5 | -- | 1,007 mb | Tropical Depression | -- |
| Sep 5 | 21:00 GMT | 18.41 | 126.39 | -- | 1,007 mb | Tropical Depression | -- |
| Sep 5 | 18:00 GMT | 18 | 127 | -- | 1,007 mb | Tropical Depression | -- |
| Sep 5 | 15:00 GMT | 17.8 | 126.97 | -- | 1,007 mb | Tropical Depression | -- |
| Sep 5 | 12:00 GMT | 17.7 | 126.7 | -- | 1,008 mb | Tropical Depression | -- |
| Sep 5 | 09:00 GMT | 17.62 | 126.64 | -- | 1,007 mb | Tropical Depression | -- |
| Sep 5 | 06:00 GMT | 17.5 | 126.6 | -- | 1,006 mb | Tropical Depression | -- |
| Sep 5 | 03:00 GMT | 17.23 | 126.58 | -- | 1,007 mb | Tropical Depression | -- |
| Sep 5 | 00:00 GMT | 17 | 126.5 | -- | 1,008 mb | Tropical Depression | -- |
| Sep 4 | 21:00 GMT | 16.93 | 126.24 | -- | 1,007 mb | Tropical Depression | -- |
| Sep 4 | 18:00 GMT | 17 | 126 | -- | 1,006 mb | Tropical Depression | -- |
| Sep 4 | 15:00 GMT | 17.25 | 126 | -- | 1,006 mb | Tropical Depression | -- |
| Sep 4 | 12:00 GMT | 17.5 | 126 | -- | 1,006 mb | Tropical Depression | -- |
| Sep 4 | 09:00 GMT | 17.56 | 125.81 | -- | 1,006 mb | Tropical Depression | -- |
| Sep 4 | 06:00 GMT | 17.5 | 125.5 | -- | 1,006 mb | Tropical Depression | -- |
Learn more about Tropical Depression Olga and the 1961 Western Pacific hurricane season in our hurricane archive.
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