Storm Activity: Aug 7, 1931 - Aug 11, 1931
Aug 11 · 22:00 GMT -- -- Unknown
| Aug 11 | 22:00 GMT | 27.1 | 115.1 | -- | -- | Unknown | -- |
| Aug 11 | 21:00 GMT | 27.1 | 115.37 | -- | -- | Unknown | -- |
| Aug 11 | 18:00 GMT | 27.09 | 116.17 | -- | -- | Unknown | -- |
| Aug 11 | 15:00 GMT | 27.07 | 116.97 | -- | -- | Unknown | -- |
| Aug 11 | 12:00 GMT | 27.04 | 117.77 | -- | -- | Unknown | -- |
| Aug 11 | 10:00 GMT | 27 | 118.3 | -- | -- | Unknown | -- |
| Aug 11 | 09:00 GMT | 26.98 | 118.57 | -- | -- | Hurricane | -- |
| Aug 11 | 06:00 GMT | 26.89 | 119.36 | -- | -- | Hurricane | -- |
| Aug 11 | 03:00 GMT | 26.75 | 120.15 | -- | -- | Hurricane | -- |
| Aug 11 | 00:00 GMT | 26.56 | 120.91 | -- | -- | Hurricane | -- |
| Aug 10 | 22:00 GMT | 26.4 | 121.4 | -- | -- | Hurricane | -- |
| Aug 10 | 21:00 GMT | 26.31 | 121.65 | -- | -- | Hurricane | -- |
| Aug 10 | 18:00 GMT | 26.01 | 122.38 | -- | -- | Hurricane | -- |
| Aug 10 | 15:00 GMT | 25.64 | 123.07 | -- | -- | Hurricane | -- |
| Aug 10 | 12:00 GMT | 25.21 | 123.71 | -- | -- | Hurricane | -- |
| Aug 10 | 10:00 GMT | 24.9 | 124.1 | -- | -- | Hurricane | -- |
| Aug 10 | 09:00 GMT | 24.73 | 124.32 | -- | -- | Hurricane | -- |
| Aug 10 | 06:00 GMT | 24.17 | 124.93 | -- | -- | Hurricane | -- |
| Aug 10 | 03:00 GMT | 23.59 | 125.44 | -- | -- | Hurricane | -- |
| Aug 10 | 00:00 GMT | 23.03 | 125.79 | -- | -- | Hurricane | -- |
| Aug 9 | 22:00 GMT | 22.7 | 125.9 | -- | -- | Hurricane | -- |
| Aug 9 | 21:00 GMT | 22.56 | 125.89 | -- | -- | Unknown | -- |
| Aug 9 | 18:00 GMT | 22.2 | 125.7 | -- | -- | Unknown | -- |
| Aug 9 | 15:00 GMT | 21.88 | 125.37 | -- | -- | Unknown | -- |
| Aug 9 | 12:00 GMT | 21.59 | 125.05 | -- | -- | Unknown | -- |
| Aug 9 | 10:00 GMT | 21.4 | 124.9 | -- | -- | Unknown | -- |
| Aug 9 | 09:00 GMT | 21.29 | 124.89 | -- | -- | Unknown | -- |
| Aug 9 | 06:00 GMT | 20.94 | 124.95 | -- | -- | Unknown | -- |
| Aug 9 | 03:00 GMT | 20.6 | 125.11 | -- | -- | Unknown | -- |
| Aug 9 | 00:00 GMT | 20.29 | 125.33 | -- | -- | Unknown | -- |
| Aug 8 | 22:00 GMT | 20.1 | 125.5 | -- | -- | Unknown | -- |
| Aug 8 | 21:00 GMT | 20.02 | 125.57 | -- | -- | Unknown | -- |
| Aug 8 | 18:00 GMT | 19.8 | 125.81 | -- | -- | Unknown | -- |
| Aug 8 | 15:00 GMT | 19.61 | 126.08 | -- | -- | Unknown | -- |
| Aug 8 | 12:00 GMT | 19.43 | 126.38 | -- | -- | Unknown | -- |
| Aug 8 | 10:00 GMT | 19.3 | 126.6 | -- | -- | Unknown | -- |
| Aug 8 | 09:00 GMT | 19.23 | 126.7 | -- | -- | Unknown | -- |
| Aug 8 | 06:00 GMT | 19.02 | 127.01 | -- | -- | Unknown | -- |
| Aug 8 | 03:00 GMT | 18.8 | 127.37 | -- | -- | Unknown | -- |
| Aug 8 | 00:00 GMT | 18.57 | 127.78 | -- | -- | Unknown | -- |
| Aug 7 | 22:00 GMT | 18.4 | 128.1 | -- | -- | Unknown | -- |
| Aug 7 | 21:00 GMT | 18.31 | 128.27 | -- | -- | Unknown | -- |
| Aug 7 | 18:00 GMT | 18.03 | 128.85 | -- | -- | Unknown | -- |
| Aug 7 | 15:00 GMT | 17.73 | 129.48 | -- | -- | Unknown | -- |
| Aug 7 | 12:00 GMT | 17.41 | 130.15 | -- | -- | Unknown | -- |
| Aug 7 | 10:00 GMT | 17.2 | 130.6 | -- | -- | Unknown | -- |
Learn more about Unnamed Hurricane and the 1931 Western Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones