Storm Activity: Sep 21, 1955 - Sep 30, 1955
Sep 30 · 12:00 GMT 30 mph -- Tropical Depression
| Sep 30 | 12:00 GMT | 20.5 | -100.5 | 30 mph | -- | Tropical Depression | -- |
| Sep 30 | 09:00 GMT | 20.41 | -99.8 | 35 mph | -- | Tropical Storm | -- |
| Sep 30 | 06:00 GMT | 20.3 | -99.1 | 40 mph | -- | Tropical Storm | -- |
| Sep 30 | 03:00 GMT | 20.15 | -98.39 | 55 mph | -- | Tropical Storm | -- |
| Sep 30 | 00:00 GMT | 20 | -97.7 | 70 mph | -- | Tropical Storm | -- |
| Sep 29 | 21:00 GMT | 19.88 | -97.03 | 90 mph | -- | Hurricane | 1 |
| Sep 29 | 18:00 GMT | 19.8 | -96.4 | 110 mph | -- | Hurricane | 2 |
| Sep 29 | 15:00 GMT | 19.79 | -95.84 | 110 mph | -- | Hurricane | 2 |
| Sep 29 | 12:00 GMT | 19.8 | -95.3 | 110 mph | -- | Hurricane | 2 |
| Sep 29 | 09:00 GMT | 19.76 | -94.75 | 110 mph | -- | Hurricane | 2 |
| Sep 29 | 06:00 GMT | 19.7 | -94.2 | 110 mph | -- | Hurricane | 2 |
| Sep 29 | 03:00 GMT | 19.61 | -93.67 | 105 mph | -- | Hurricane | 2 |
| Sep 29 | 00:00 GMT | 19.5 | -93.1 | 105 mph | -- | Hurricane | 2 |
| Sep 28 | 21:00 GMT | 19.36 | -92.43 | 105 mph | -- | Hurricane | 2 |
| Sep 28 | 18:00 GMT | 19.2 | -91.7 | 105 mph | -- | Hurricane | 2 |
| Sep 28 | 15:00 GMT | 19.06 | -91 | 110 mph | -- | Hurricane | 3 |
| Sep 28 | 12:00 GMT | 18.9 | -90.2 | 120 mph | 950 mb | Hurricane | 3 |
| Sep 28 | 09:00 GMT | 18.73 | -89.28 | 145 mph | 932 mb | Hurricane | 4 |
| Sep 28 | 06:00 GMT | 18.5 | -88.2 | 175 mph | 914 mb | Hurricane | 5 |
| Sep 28 | 05:00 GMT | 18.4 | -87.8 | 175 mph | 914 mb | Hurricane | 5 |
| Sep 28 | 03:00 GMT | 18.23 | -87.08 | 175 mph | -- | Hurricane | 5 |
| Sep 28 | 00:00 GMT | 18 | -86.1 | 175 mph | -- | Hurricane | 5 |
| Sep 27 | 21:00 GMT | 17.76 | -84.99 | 165 mph | -- | Hurricane | 5 |
| Sep 27 | 18:00 GMT | 17.5 | -84.1 | 160 mph | -- | Hurricane | 5 |
| Sep 27 | 17:00 GMT | 17.4 | -83.9 | 160 mph | -- | Hurricane | 5 |
| Sep 27 | 15:00 GMT | 17.3 | -83 | 155 mph | 938 mb | Hurricane | 4 |
| Sep 27 | 12:00 GMT | 17 | -82.1 | 150 mph | -- | Hurricane | 4 |
| Sep 27 | 09:00 GMT | 16.7 | -81.12 | 145 mph | -- | Hurricane | 4 |
| Sep 27 | 06:00 GMT | 16.4 | -80.2 | 140 mph | -- | Hurricane | 4 |
| Sep 27 | 03:00 GMT | 16.09 | -79.48 | 130 mph | -- | Hurricane | 4 |
| Sep 27 | 00:00 GMT | 15.8 | -78.9 | 125 mph | -- | Hurricane | 3 |
| Sep 26 | 21:00 GMT | 15.53 | -78.41 | 120 mph | -- | Hurricane | 3 |
| Sep 26 | 18:00 GMT | 15.3 | -78 | 115 mph | -- | Hurricane | 3 |
| Sep 26 | 15:00 GMT | 15.13 | -77.59 | 110 mph | -- | Hurricane | 2 |
| Sep 26 | 12:00 GMT | 15 | -77.2 | 105 mph | 970 mb | Hurricane | 2 |
| Sep 26 | 09:00 GMT | 14.84 | -76.82 | 100 mph | -- | Hurricane | 2 |
| Sep 26 | 06:00 GMT | 14.7 | -76.4 | 90 mph | -- | Hurricane | 1 |
| Sep 26 | 03:00 GMT | 14.6 | -75.93 | 85 mph | -- | Hurricane | 1 |
| Sep 26 | 00:00 GMT | 14.5 | -75.4 | 80 mph | -- | Hurricane | 1 |
| Sep 25 | 21:00 GMT | 14.36 | -74.82 | 80 mph | -- | Hurricane | 1 |
| Sep 25 | 18:00 GMT | 14.2 | -74.2 | 80 mph | 988 mb | Hurricane | 1 |
| Sep 25 | 15:00 GMT | 14.04 | -73.54 | 75 mph | 990 mb | Hurricane | 1 |
| Sep 25 | 12:00 GMT | 13.9 | -72.9 | 75 mph | 993 mb | Hurricane | 1 |
| Sep 25 | 09:00 GMT | 13.83 | -72.34 | 75 mph | -- | Hurricane | 1 |
| Sep 25 | 06:00 GMT | 13.8 | -71.8 | 75 mph | -- | Hurricane | 1 |
| Sep 25 | 03:00 GMT | 13.79 | -71.27 | 75 mph | -- | Hurricane | 1 |
| Sep 25 | 00:00 GMT | 13.8 | -70.7 | 75 mph | -- | Hurricane | 1 |
| Sep 24 | 21:00 GMT | 13.81 | -70.06 | 70 mph | -- | Tropical Storm | -- |
| Sep 24 | 18:00 GMT | 13.8 | -69.4 | 70 mph | 995 mb | Tropical Storm | -- |
| Sep 24 | 15:00 GMT | 13.76 | -68.79 | 65 mph | 995 mb | Tropical Storm | -- |
| Sep 24 | 12:00 GMT | 13.7 | -68.2 | 65 mph | 996 mb | Tropical Storm | -- |
| Sep 24 | 09:00 GMT | 13.61 | -67.59 | 65 mph | -- | Tropical Storm | -- |
| Sep 24 | 06:00 GMT | 13.5 | -67 | 65 mph | -- | Tropical Storm | -- |
| Sep 24 | 03:00 GMT | 13.35 | -66.44 | 65 mph | -- | Tropical Storm | -- |
| Sep 24 | 00:00 GMT | 13.2 | -65.9 | 70 mph | -- | Tropical Storm | -- |
| Sep 23 | 21:00 GMT | 13.1 | -65.36 | 70 mph | -- | Tropical Storm | -- |
| Sep 23 | 18:00 GMT | 13 | -64.8 | 70 mph | 996 mb | Tropical Storm | -- |
| Sep 23 | 15:00 GMT | 12.85 | -64.2 | 75 mph | -- | Hurricane | 1 |
| Sep 23 | 12:00 GMT | 12.7 | -63.6 | 80 mph | -- | Hurricane | 1 |
| Sep 23 | 09:00 GMT | 12.57 | -63.04 | 85 mph | -- | Hurricane | 1 |
| Sep 23 | 06:00 GMT | 12.5 | -62.5 | 90 mph | -- | Hurricane | 1 |
| Sep 23 | 03:00 GMT | 12.52 | -61.96 | 100 mph | -- | Hurricane | 2 |
| Sep 23 | 00:00 GMT | 12.6 | -61.4 | 105 mph | -- | Hurricane | 2 |
| Sep 22 | 21:00 GMT | 12.69 | -60.82 | 105 mph | -- | Hurricane | 2 |
| Sep 22 | 18:00 GMT | 12.8 | -60.2 | 105 mph | -- | Hurricane | 2 |
| Sep 22 | 15:00 GMT | 12.91 | -59.57 | 100 mph | -- | Hurricane | 2 |
| Sep 22 | 12:00 GMT | 13 | -58.9 | 90 mph | 979 mb | Hurricane | 1 |
| Sep 22 | 09:00 GMT | 13.06 | -58.21 | 85 mph | -- | Hurricane | 1 |
| Sep 22 | 06:00 GMT | 13.1 | -57.5 | 80 mph | -- | Hurricane | 1 |
| Sep 22 | 03:00 GMT | 13.16 | -56.77 | 75 mph | -- | Tropical Storm | 1 |
| Sep 22 | 00:00 GMT | 13.2 | -56 | 70 mph | -- | Tropical Storm | -- |
| Sep 21 | 21:00 GMT | 13.21 | -55.16 | 65 mph | -- | Tropical Storm | -- |
| Sep 21 | 18:00 GMT | 13.2 | -54.3 | 60 mph | -- | Tropical Storm | -- |
| Sep 21 | 15:00 GMT | 13.2 | -53.45 | 50 mph | -- | Tropical Storm | -- |
| Sep 21 | 12:00 GMT | 13.2 | -52.6 | 45 mph | -- | Tropical Storm | -- |
Learn more about Hurricane Janet and the 1955 Eastern Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones