Storm Activity: Sep 14, 1977 - Sep 21, 1977
Sep 21 · 18:00 GMT -- 992 mb Extratropical
| Sep 21 | 18:00 GMT | 59 | 168 | -- | 992 mb | Extratropical | -- |
| Sep 21 | 15:00 GMT | 58.66 | 166.2 | -- | 990 mb | Extratropical | -- |
| Sep 21 | 12:00 GMT | 58 | 165 | -- | 988 mb | Extratropical | -- |
| Sep 21 | 09:00 GMT | 56.79 | 164.63 | -- | 988 mb | Extratropical | -- |
| Sep 21 | 06:00 GMT | 55 | 164 | -- | 988 mb | Extratropical | -- |
| Sep 21 | 03:00 GMT | 52.46 | 162.24 | -- | 984 mb | Tropical Storm | -- |
| Sep 21 | 00:00 GMT | 50 | 160 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 20 | 21:00 GMT | 48.59 | 157.66 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 20 | 18:00 GMT | 47.5 | 155.2 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 20 | 15:00 GMT | 46.01 | 152.95 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 20 | 12:00 GMT | 44.6 | 150.9 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 20 | 09:00 GMT | 43.55 | 149.02 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 20 | 06:00 GMT | 42.6 | 147.4 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 20 | 03:00 GMT | 41.47 | 146.08 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 20 | 00:00 GMT | 40.3 | 145 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 19 | 21:00 GMT | 39.13 | 144.04 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 19 | 18:00 GMT | 38 | 143.2 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 19 | 15:00 GMT | 36.93 | 142.42 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 19 | 12:00 GMT | 35.9 | 141.7 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 19 | 09:00 GMT | 34.85 | 140.89 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 19 | 06:00 GMT | 33.9 | 140.3 | 50 mph | 980 mb | Tropical Storm | -- |
| Sep 19 | 03:00 GMT | 33.12 | 140.15 | 55 mph | 977 mb | Severe Tropical Storm | -- |
| Sep 19 | 00:00 GMT | 32.5 | 140.2 | 60 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 18 | 21:00 GMT | 31.99 | 140.13 | 60 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 18 | 18:00 GMT | 31.5 | 140.2 | 60 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 18 | 15:00 GMT | 30.82 | 140.54 | 60 mph | 972 mb | Severe Tropical Storm | -- |
| Sep 18 | 12:00 GMT | 30.2 | 141 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 18 | 09:00 GMT | 29.82 | 141.37 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 18 | 06:00 GMT | 29.6 | 141.8 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 18 | 03:00 GMT | 29.44 | 142.42 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 18 | 00:00 GMT | 29.3 | 143 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 17 | 21:00 GMT | 29.06 | 143.3 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 17 | 18:00 GMT | 28.8 | 143.5 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 17 | 15:00 GMT | 28.6 | 143.76 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 17 | 12:00 GMT | 28.4 | 144 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 17 | 09:00 GMT | 28.17 | 144.22 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 17 | 06:00 GMT | 27.9 | 144.4 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 17 | 03:00 GMT | 27.61 | 144.54 | 60 mph | 967 mb | Severe Tropical Storm | -- |
| Sep 17 | 00:00 GMT | 27.3 | 144.6 | 65 mph | 965 mb | Severe Tropical Storm | -- |
| Sep 16 | 21:00 GMT | 27 | 144.58 | 60 mph | 967 mb | Severe Tropical Storm | -- |
| Sep 16 | 18:00 GMT | 26.7 | 144.5 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 16 | 15:00 GMT | 26.41 | 144.41 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 16 | 12:00 GMT | 26.1 | 144.3 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 16 | 09:00 GMT | 25.76 | 144.22 | 60 mph | 972 mb | Severe Tropical Storm | -- |
| Sep 16 | 06:00 GMT | 25.4 | 144.1 | 65 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 16 | 03:00 GMT | 25.02 | 143.9 | 65 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 16 | 00:00 GMT | 24.6 | 143.7 | 65 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 15 | 21:00 GMT | 24.11 | 143.59 | 65 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 15 | 18:00 GMT | 23.6 | 143.5 | 65 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 15 | 15:00 GMT | 23.15 | 143.41 | 65 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 15 | 12:00 GMT | 22.7 | 143.3 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 15 | 09:00 GMT | 22.22 | 143.14 | 65 mph | 977 mb | Severe Tropical Storm | -- |
| Sep 15 | 06:00 GMT | 21.7 | 143 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 15 | 03:00 GMT | 21.06 | 142.96 | 65 mph | 982 mb | Severe Tropical Storm | -- |
| Sep 15 | 00:00 GMT | 20.5 | 143 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 14 | 21:00 GMT | 20.19 | 143.09 | 60 mph | 987 mb | Tropical Storm | -- |
| Sep 14 | 18:00 GMT | 20 | 143.2 | 50 mph | 990 mb | Tropical Storm | -- |
| Sep 14 | 15:00 GMT | 19.81 | 143.29 | 50 mph | 990 mb | Tropical Storm | -- |
| Sep 14 | 12:00 GMT | 19.6 | 143.4 | 45 mph | 990 mb | Tropical Storm | -- |
| Sep 14 | 09:00 GMT | 19.32 | 143.54 | -- | 991 mb | Tropical Depression | -- |
| Sep 14 | 06:00 GMT | 19 | 143.7 | -- | 992 mb | Tropical Depression | -- |
Learn more about Tropical Storm Emma and the 1977 Western Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones