Storm Activity: Oct 27, 1951 - Nov 1, 1951
Nov 1 · 21:00 GMT -- 990 mb Unknown
| Nov 1 | 21:00 GMT | 38.01 | -178.06 | -- | 990 mb | Unknown | -- |
| Nov 1 | 18:00 GMT | 38 | 180 | -- | 990 mb | Unknown | -- |
| Nov 1 | 15:00 GMT | 38 | 178.26 | -- | 990 mb | Unknown | -- |
| Nov 1 | 12:00 GMT | 38 | 176.6 | -- | 990 mb | Unknown | -- |
| Nov 1 | 09:00 GMT | 38 | 174.92 | -- | 990 mb | Unknown | -- |
| Nov 1 | 06:00 GMT | 38 | 173.2 | -- | 990 mb | Unknown | -- |
| Nov 1 | 03:00 GMT | 38 | 171.42 | -- | 985 mb | Unknown | -- |
| Nov 1 | 00:00 GMT | 38 | 169.6 | -- | 980 mb | Unknown | -- |
| Oct 31 | 21:00 GMT | 38.01 | 167.76 | -- | 980 mb | Unknown | -- |
| Oct 31 | 18:00 GMT | 38 | 166 | -- | 980 mb | Unknown | -- |
| Oct 31 | 15:00 GMT | 37.91 | 164.46 | -- | 980 mb | Unknown | -- |
| Oct 31 | 12:00 GMT | 37.8 | 163 | -- | 980 mb | Unknown | -- |
| Oct 31 | 09:00 GMT | 37.76 | 161.7 | -- | 975 mb | Unknown | -- |
| Oct 31 | 06:00 GMT | 37.6 | 160 | -- | 970 mb | Unknown | -- |
| Oct 31 | 03:00 GMT | 37.15 | 157.41 | -- | 970 mb | Unknown | -- |
| Oct 31 | 00:00 GMT | 36.4 | 154.5 | -- | 970 mb | Unknown | -- |
| Oct 30 | 21:00 GMT | 35.39 | 151.87 | -- | 965 mb | Unknown | -- |
| Oct 30 | 18:00 GMT | 34.3 | 149.4 | -- | 960 mb | Unknown | -- |
| Oct 30 | 15:00 GMT | 33.39 | 147.11 | -- | 960 mb | Unknown | -- |
| Oct 30 | 12:00 GMT | 32.5 | 145 | -- | 960 mb | Unknown | -- |
| Oct 30 | 09:00 GMT | 31.51 | 142.95 | -- | 960 mb | Unknown | -- |
| Oct 30 | 06:00 GMT | 30.5 | 141.2 | -- | 960 mb | Unknown | -- |
| Oct 30 | 03:00 GMT | 29.47 | 139.87 | -- | 957 mb | Unknown | -- |
| Oct 30 | 00:00 GMT | 28.5 | 138.8 | -- | 955 mb | Unknown | -- |
| Oct 29 | 21:00 GMT | 27.63 | 137.7 | -- | 952 mb | Unknown | -- |
| Oct 29 | 18:00 GMT | 26.8 | 136.8 | -- | 950 mb | Unknown | -- |
| Oct 29 | 15:00 GMT | 25.89 | 136.08 | -- | 950 mb | Unknown | -- |
| Oct 29 | 12:00 GMT | 25 | 135.7 | -- | 950 mb | Unknown | -- |
| Oct 29 | 09:00 GMT | 24.21 | 135.69 | -- | 950 mb | Unknown | -- |
| Oct 29 | 06:00 GMT | 23.4 | 136 | -- | 950 mb | Unknown | -- |
| Oct 29 | 03:00 GMT | 22.44 | 136.43 | -- | 950 mb | Unknown | -- |
| Oct 29 | 00:00 GMT | 21.5 | 137 | -- | 950 mb | Unknown | -- |
| Oct 28 | 21:00 GMT | 20.72 | 137.56 | -- | 955 mb | Unknown | -- |
| Oct 28 | 18:00 GMT | 20 | 138.2 | -- | 960 mb | Unknown | -- |
| Oct 28 | 15:00 GMT | 19.25 | 138.9 | -- | 960 mb | Unknown | -- |
| Oct 28 | 12:00 GMT | 18.5 | 139.7 | -- | 960 mb | Unknown | -- |
| Oct 28 | 09:00 GMT | 17.69 | 140.6 | -- | 960 mb | Unknown | -- |
| Oct 28 | 06:00 GMT | 17 | 141.5 | -- | 960 mb | Unknown | -- |
| Oct 28 | 03:00 GMT | 16.59 | 142.23 | -- | 967 mb | Unknown | -- |
| Oct 28 | 00:00 GMT | 16.3 | 143 | -- | 975 mb | Unknown | -- |
| Oct 27 | 21:00 GMT | 15.95 | 143.96 | -- | 977 mb | Unknown | -- |
| Oct 27 | 18:00 GMT | 15.6 | 145 | -- | 980 mb | Unknown | -- |
| Oct 27 | 15:00 GMT | 15.25 | 146.05 | -- | 980 mb | Unknown | -- |
| Oct 27 | 12:00 GMT | 14.9 | 147.1 | -- | 980 mb | Unknown | -- |
| Oct 27 | 09:00 GMT | 14.55 | 148.11 | -- | 980 mb | Unknown | -- |
| Oct 27 | 06:00 GMT | 14.2 | 149.1 | -- | 980 mb | Unknown | -- |
Learn more about Unknown Thelma and the 1951 Central Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones