Storm Activity: Jul 15, 1955 - Jul 27, 1955
Jul 27 · 09:00 GMT -- 992 mb Extratropical
| Jul 27 | 09:00 GMT | 48.12 | -179.38 | -- | 992 mb | Extratropical | -- |
| Jul 27 | 06:00 GMT | 48 | 179 | -- | 992 mb | Extratropical | -- |
| Jul 27 | 03:00 GMT | 47.57 | 178.66 | -- | 992 mb | Extratropical | -- |
| Jul 27 | 00:00 GMT | 47 | 179 | -- | 992 mb | Extratropical | -- |
| Jul 26 | 21:00 GMT | 46.5 | 179.37 | -- | 993 mb | Extratropical | -- |
| Jul 26 | 18:00 GMT | 46 | 179.5 | -- | 994 mb | Extratropical | -- |
| Jul 26 | 15:00 GMT | 45.46 | 178.93 | -- | 994 mb | Extratropical | -- |
| Jul 26 | 12:00 GMT | 45 | 178 | -- | 995 mb | Extratropical | -- |
| Jul 26 | 09:00 GMT | 44.77 | 177 | -- | 995 mb | Extratropical | -- |
| Jul 26 | 06:00 GMT | 44.6 | 176 | -- | 996 mb | Extratropical | -- |
| Jul 26 | 03:00 GMT | 44.34 | 175.21 | -- | 997 mb | Extratropical | -- |
| Jul 26 | 00:00 GMT | 44 | 174.5 | -- | 998 mb | Extratropical | -- |
| Jul 25 | 21:00 GMT | 43.49 | 173.75 | -- | 998 mb | Extratropical | -- |
| Jul 25 | 18:00 GMT | 43 | 173 | -- | 998 mb | Extratropical | -- |
| Jul 25 | 15:00 GMT | 42.73 | 172.25 | -- | 998 mb | Extratropical | -- |
| Jul 25 | 12:00 GMT | 42.5 | 171.5 | -- | 998 mb | Extratropical | -- |
| Jul 25 | 09:00 GMT | 42.13 | 170.73 | -- | 998 mb | Extratropical | -- |
| Jul 25 | 06:00 GMT | 41.8 | 170 | -- | 998 mb | Extratropical | -- |
| Jul 25 | 03:00 GMT | 41.6 | 169.37 | -- | 996 mb | Extratropical | -- |
| Jul 25 | 00:00 GMT | 41.5 | 168.7 | -- | 995 mb | Extratropical | -- |
| Jul 24 | 21:00 GMT | 41.43 | 168.12 | -- | 995 mb | Extratropical | -- |
| Jul 24 | 18:00 GMT | 41.5 | 167 | -- | 995 mb | Extratropical | -- |
| Jul 24 | 15:00 GMT | 41.76 | 164.65 | -- | 995 mb | Unknown | -- |
| Jul 24 | 12:00 GMT | 42 | 162 | -- | 995 mb | Unknown | -- |
| Jul 24 | 09:00 GMT | 42.05 | 160.03 | -- | 995 mb | Unknown | -- |
| Jul 24 | 06:00 GMT | 42 | 158.4 | -- | 995 mb | Unknown | -- |
| Jul 24 | 03:00 GMT | 41.99 | 156.91 | -- | 992 mb | Unknown | -- |
| Jul 24 | 00:00 GMT | 41.8 | 155.6 | -- | 990 mb | Unknown | -- |
| Jul 23 | 21:00 GMT | 41.26 | 154.43 | -- | 990 mb | Unknown | -- |
| Jul 23 | 18:00 GMT | 40.6 | 153.3 | -- | 990 mb | Unknown | -- |
| Jul 23 | 15:00 GMT | 40.08 | 152.08 | -- | 990 mb | Unknown | -- |
| Jul 23 | 12:00 GMT | 39.6 | 150.8 | -- | 990 mb | Unknown | -- |
| Jul 23 | 09:00 GMT | 39.17 | 149.42 | -- | 990 mb | Unknown | -- |
| Jul 23 | 06:00 GMT | 38.7 | 148.1 | -- | 990 mb | Unknown | -- |
| Jul 23 | 03:00 GMT | 38.15 | 146.94 | -- | 990 mb | Unknown | -- |
| Jul 23 | 00:00 GMT | 37.5 | 146 | -- | 990 mb | Unknown | -- |
| Jul 22 | 21:00 GMT | 36.72 | 145.35 | -- | 985 mb | Unknown | -- |
| Jul 22 | 18:00 GMT | 35.9 | 144.8 | -- | 980 mb | Unknown | -- |
| Jul 22 | 15:00 GMT | 35.1 | 144.08 | -- | 975 mb | Unknown | -- |
| Jul 22 | 12:00 GMT | 34.4 | 143.4 | -- | 970 mb | Unknown | -- |
| Jul 22 | 09:00 GMT | 33.9 | 142.95 | -- | 962 mb | Unknown | -- |
| Jul 22 | 06:00 GMT | 33.5 | 142.5 | -- | 955 mb | Unknown | -- |
| Jul 22 | 03:00 GMT | 33.11 | 141.78 | -- | 962 mb | Unknown | -- |
| Jul 22 | 00:00 GMT | 32.7 | 141.1 | -- | 970 mb | Unknown | -- |
| Jul 21 | 21:00 GMT | 32.21 | 140.77 | -- | 972 mb | Unknown | -- |
| Jul 21 | 18:00 GMT | 31.7 | 140.5 | -- | 975 mb | Unknown | -- |
| Jul 21 | 15:00 GMT | 31.19 | 140.08 | -- | 975 mb | Unknown | -- |
| Jul 21 | 12:00 GMT | 30.8 | 139.5 | -- | 975 mb | Unknown | -- |
| Jul 21 | 09:00 GMT | 30.65 | 138.74 | -- | 982 mb | Unknown | -- |
| Jul 21 | 06:00 GMT | 30.6 | 137.9 | -- | 990 mb | Unknown | -- |
| Jul 21 | 03:00 GMT | 30.49 | 137.16 | -- | 990 mb | Unknown | -- |
| Jul 21 | 00:00 GMT | 30.4 | 136.4 | -- | 990 mb | Unknown | -- |
| Jul 20 | 21:00 GMT | 30.34 | 135.47 | -- | 992 mb | Unknown | -- |
| Jul 20 | 18:00 GMT | 30.3 | 134.7 | -- | 994 mb | Unknown | -- |
| Jul 20 | 15:00 GMT | 30.28 | 134.53 | -- | 994 mb | Unknown | -- |
| Jul 20 | 12:00 GMT | 30.3 | 134.3 | -- | 994 mb | Unknown | -- |
| Jul 20 | 09:00 GMT | 30.35 | 133.21 | -- | 994 mb | Unknown | -- |
| Jul 20 | 06:00 GMT | 30.4 | 132.2 | -- | 994 mb | Unknown | -- |
| Jul 20 | 03:00 GMT | 30.45 | 132.09 | -- | 994 mb | Unknown | -- |
| Jul 20 | 00:00 GMT | 30.5 | 132.4 | -- | 994 mb | Unknown | -- |
| Jul 19 | 21:00 GMT | 30.57 | 132.72 | -- | 989 mb | Unknown | -- |
| Jul 19 | 18:00 GMT | 30.6 | 133.1 | -- | 985 mb | Unknown | -- |
| Jul 19 | 15:00 GMT | 30.56 | 133.39 | -- | 985 mb | Unknown | -- |
| Jul 19 | 12:00 GMT | 30.5 | 133.7 | -- | 985 mb | Unknown | -- |
| Jul 19 | 09:00 GMT | 30.5 | 134.09 | -- | 985 mb | Unknown | -- |
| Jul 19 | 06:00 GMT | 30.5 | 134.5 | -- | 985 mb | Unknown | -- |
| Jul 19 | 03:00 GMT | 30.45 | 134.81 | -- | 985 mb | Unknown | -- |
| Jul 19 | 00:00 GMT | 30.4 | 135.3 | -- | 985 mb | Unknown | -- |
| Jul 18 | 21:00 GMT | 30.39 | 136.22 | -- | 987 mb | Unknown | -- |
| Jul 18 | 18:00 GMT | 30.4 | 137.3 | -- | 990 mb | Unknown | -- |
| Jul 18 | 15:00 GMT | 30.46 | 138.28 | -- | 992 mb | Unknown | -- |
| Jul 18 | 12:00 GMT | 30.5 | 139.2 | -- | 994 mb | Unknown | -- |
| Jul 18 | 09:00 GMT | 30.48 | 140.03 | -- | 994 mb | Unknown | -- |
| Jul 18 | 06:00 GMT | 30.4 | 140.8 | -- | 994 mb | Unknown | -- |
| Jul 18 | 03:00 GMT | 30.32 | 141.53 | -- | 995 mb | Unknown | -- |
| Jul 18 | 00:00 GMT | 30.1 | 142.3 | -- | 996 mb | Unknown | -- |
| Jul 17 | 21:00 GMT | 29.68 | 143.22 | -- | 996 mb | Unknown | -- |
| Jul 17 | 18:00 GMT | 29.1 | 144.1 | -- | 996 mb | Unknown | -- |
| Jul 17 | 15:00 GMT | 28.43 | 144.75 | -- | 997 mb | Unknown | -- |
| Jul 17 | 12:00 GMT | 27.7 | 145.3 | -- | 998 mb | Unknown | -- |
| Jul 17 | 09:00 GMT | 26.99 | 145.8 | -- | 998 mb | Unknown | -- |
| Jul 17 | 06:00 GMT | 26.3 | 146.4 | -- | 998 mb | Unknown | -- |
| Jul 17 | 03:00 GMT | 25.56 | 147.35 | -- | 999 mb | Unknown | -- |
| Jul 17 | 00:00 GMT | 25 | 148.2 | -- | 1,000 mb | Unknown | -- |
| Jul 16 | 21:00 GMT | 24.82 | 148.54 | -- | 1,001 mb | Unknown | -- |
| Jul 16 | 18:00 GMT | 24.8 | 148.7 | -- | 1,002 mb | Unknown | -- |
| Jul 16 | 15:00 GMT | 24.71 | 148.99 | -- | 1,002 mb | Unknown | -- |
| Jul 16 | 12:00 GMT | 24.6 | 149.3 | -- | 1,002 mb | Unknown | -- |
| Jul 16 | 09:00 GMT | 24.46 | 149.64 | -- | 1,002 mb | Unknown | -- |
| Jul 16 | 06:00 GMT | 24.3 | 150 | -- | 1,002 mb | Unknown | -- |
| Jul 16 | 03:00 GMT | 24.16 | 150.39 | -- | 1,003 mb | Unknown | -- |
| Jul 16 | 00:00 GMT | 24 | 150.8 | -- | 1,004 mb | Unknown | -- |
| Jul 15 | 21:00 GMT | 23.81 | 151.21 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 15 | 18:00 GMT | 23.6 | 151.6 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 15 | 15:00 GMT | 23.39 | 151.96 | -- | 1,005 mb | Tropical Depression | -- |
| Jul 15 | 12:00 GMT | 23.2 | 152.3 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 15 | 09:00 GMT | 23.04 | 152.65 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 15 | 06:00 GMT | 22.9 | 153 | -- | 1,006 mb | Tropical Depression | -- |
Learn more about Tropical Depression Ellen and the 1955 Central Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones