Storm Activity: Sep 11, 1977 - Sep 26, 1977
Sep 26 · 00:00 GMT -- 1,007 mb Extratropical
| Sep 26 | 00:00 GMT | 15 | 107.5 | -- | 1,007 mb | Extratropical | -- |
| Sep 25 | 21:00 GMT | 14.81 | 108.11 | -- | 1,006 mb | Extratropical | -- |
| Sep 25 | 18:00 GMT | 14.6 | 108.5 | -- | 1,005 mb | Extratropical | -- |
| Sep 25 | 15:00 GMT | 14.38 | 108.54 | -- | 1,004 mb | Extratropical | -- |
| Sep 25 | 12:00 GMT | 14.2 | 108.5 | -- | 1,004 mb | Extratropical | -- |
| Sep 25 | 09:00 GMT | 14.07 | 108.74 | -- | 1,004 mb | Extratropical | -- |
| Sep 25 | 06:00 GMT | 14 | 109 | -- | 1,004 mb | Extratropical | -- |
| Sep 25 | 03:00 GMT | 14.02 | 109.12 | -- | 1,003 mb | Tropical Depression | -- |
| Sep 25 | 00:00 GMT | 14 | 109.2 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 24 | 21:00 GMT | 13.78 | 109.27 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 24 | 18:00 GMT | 13.6 | 109.4 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 24 | 15:00 GMT | 13.69 | 109.72 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 24 | 12:00 GMT | 13.8 | 110 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 24 | 09:00 GMT | 13.69 | 110.12 | -- | 1,001 mb | Tropical Depression | -- |
| Sep 24 | 06:00 GMT | 13.5 | 110 | -- | 1,000 mb | Tropical Depression | -- |
| Sep 24 | 03:00 GMT | 13.27 | 109.47 | -- | 999 mb | Tropical Depression | -- |
| Sep 24 | 00:00 GMT | 13.2 | 109 | -- | 998 mb | Tropical Depression | -- |
| Sep 23 | 21:00 GMT | 13.54 | 109.06 | -- | 994 mb | Tropical Storm | -- |
| Sep 23 | 18:00 GMT | 14 | 109.4 | 40 mph | 990 mb | Tropical Storm | -- |
| Sep 23 | 15:00 GMT | 14.27 | 109.81 | 50 mph | 987 mb | Severe Tropical Storm | -- |
| Sep 23 | 12:00 GMT | 14.5 | 110.3 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 23 | 09:00 GMT | 14.73 | 110.74 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 23 | 06:00 GMT | 15 | 111.2 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 23 | 03:00 GMT | 15.34 | 111.7 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 23 | 00:00 GMT | 15.7 | 112.2 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 22 | 21:00 GMT | 16.05 | 112.66 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 22 | 18:00 GMT | 16.4 | 113.1 | 70 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 22 | 15:00 GMT | 16.76 | 113.57 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 22 | 12:00 GMT | 17.1 | 114 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 22 | 09:00 GMT | 17.41 | 114.35 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 22 | 06:00 GMT | 17.7 | 114.7 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 22 | 03:00 GMT | 17.97 | 115.14 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 22 | 00:00 GMT | 18.2 | 115.6 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 21 | 21:00 GMT | 18.35 | 116.02 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 21 | 18:00 GMT | 18.5 | 116.4 | 70 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 21 | 15:00 GMT | 18.73 | 116.71 | 70 mph | 982 mb | Severe Tropical Storm | -- |
| Sep 21 | 12:00 GMT | 19 | 117 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 21 | 09:00 GMT | 19.25 | 117.34 | 70 mph | 980 mb | Typhoon | -- |
| Sep 21 | 06:00 GMT | 19.5 | 117.7 | 75 mph | 980 mb | Typhoon | 1 |
| Sep 21 | 03:00 GMT | 19.77 | 118.12 | 75 mph | 977 mb | Typhoon | 1 |
| Sep 21 | 00:00 GMT | 20 | 118.5 | 75 mph | 975 mb | Typhoon | 1 |
| Sep 20 | 21:00 GMT | 20.14 | 118.75 | 75 mph | 972 mb | Typhoon | 1 |
| Sep 20 | 18:00 GMT | 20.2 | 118.9 | 80 mph | 970 mb | Typhoon | 1 |
| Sep 20 | 15:00 GMT | 20.22 | 118.97 | 80 mph | 970 mb | Typhoon | 1 |
| Sep 20 | 12:00 GMT | 20.2 | 119 | 80 mph | 970 mb | Typhoon | 1 |
| Sep 20 | 09:00 GMT | 20.21 | 119.11 | 80 mph | 967 mb | Typhoon | 1 |
| Sep 20 | 06:00 GMT | 20.2 | 119.2 | 80 mph | 965 mb | Typhoon | 1 |
| Sep 20 | 03:00 GMT | 20.17 | 119.24 | 75 mph | 965 mb | Typhoon | 1 |
| Sep 20 | 00:00 GMT | 20.1 | 119.2 | 75 mph | 965 mb | Typhoon | 1 |
| Sep 19 | 21:00 GMT | 20.01 | 119.07 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Sep 19 | 18:00 GMT | 19.9 | 118.9 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Sep 19 | 15:00 GMT | 19.79 | 118.79 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Sep 19 | 12:00 GMT | 19.7 | 118.7 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Sep 19 | 09:00 GMT | 19.69 | 118.59 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Sep 19 | 06:00 GMT | 19.7 | 118.5 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Sep 19 | 03:00 GMT | 19.67 | 118.46 | 70 mph | 967 mb | Severe Tropical Storm | -- |
| Sep 19 | 00:00 GMT | 19.6 | 118.4 | 70 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 18 | 21:00 GMT | 19.51 | 118.26 | 70 mph | 972 mb | Severe Tropical Storm | -- |
| Sep 18 | 18:00 GMT | 19.4 | 118.1 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 18 | 15:00 GMT | 19.31 | 118 | 70 mph | 977 mb | Severe Tropical Storm | -- |
| Sep 18 | 12:00 GMT | 19.2 | 117.9 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 18 | 09:00 GMT | 19.07 | 117.78 | 65 mph | 982 mb | Severe Tropical Storm | -- |
| Sep 18 | 06:00 GMT | 18.9 | 117.6 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 18 | 03:00 GMT | 18.65 | 117.34 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 18 | 00:00 GMT | 18.4 | 117 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 17 | 21:00 GMT | 18.25 | 116.59 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 17 | 18:00 GMT | 18.1 | 116.2 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 17 | 15:00 GMT | 17.84 | 115.85 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 17 | 12:00 GMT | 17.6 | 115.7 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 17 | 09:00 GMT | 17.46 | 115.85 | 70 mph | 977 mb | Severe Tropical Storm | -- |
| Sep 17 | 06:00 GMT | 17.4 | 116.2 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 17 | 03:00 GMT | 17.39 | 116.59 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 17 | 00:00 GMT | 17.4 | 117 | 60 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 16 | 21:00 GMT | 17.36 | 117.35 | 60 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 16 | 18:00 GMT | 17.3 | 117.7 | 60 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 16 | 15:00 GMT | 17.24 | 118.09 | 60 mph | 982 mb | Severe Tropical Storm | -- |
| Sep 16 | 12:00 GMT | 17.2 | 118.5 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 16 | 09:00 GMT | 17.23 | 118.9 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 16 | 06:00 GMT | 17.3 | 119.3 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 16 | 03:00 GMT | 17.38 | 119.67 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 16 | 00:00 GMT | 17.5 | 120.1 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 15 | 21:00 GMT | 17.64 | 120.67 | 70 mph | 980 mb | Typhoon | -- |
| Sep 15 | 18:00 GMT | 17.8 | 121.3 | 75 mph | 975 mb | Typhoon | 1 |
| Sep 15 | 15:00 GMT | 17.99 | 121.92 | 75 mph | 970 mb | Typhoon | 1 |
| Sep 15 | 12:00 GMT | 18.2 | 122.5 | 80 mph | 965 mb | Typhoon | 1 |
| Sep 15 | 09:00 GMT | 18.32 | 122.98 | 75 mph | 965 mb | Severe Tropical Storm | 1 |
| Sep 15 | 06:00 GMT | 18.6 | 123.5 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Sep 15 | 03:00 GMT | 19.25 | 124.17 | -- | 978 mb | Tropical Depression | -- |
| Sep 15 | 00:00 GMT | 20 | 125 | -- | 992 mb | Tropical Depression | -- |
| Sep 14 | 21:00 GMT | 20.58 | 126 | -- | 993 mb | Tropical Depression | -- |
| Sep 14 | 18:00 GMT | 21 | 127 | -- | 994 mb | Tropical Depression | -- |
| Sep 14 | 15:00 GMT | 21.27 | 127.81 | -- | 994 mb | Tropical Depression | -- |
| Sep 14 | 12:00 GMT | 21.4 | 128.5 | -- | 994 mb | Tropical Depression | -- |
| Sep 14 | 09:00 GMT | 21.48 | 129.12 | -- | 994 mb | Tropical Depression | -- |
| Sep 14 | 06:00 GMT | 21.5 | 129.7 | -- | 994 mb | Tropical Depression | -- |
| Sep 14 | 03:00 GMT | 21.51 | 130.33 | -- | 995 mb | Tropical Depression | -- |
| Sep 14 | 00:00 GMT | 21.5 | 131 | -- | 996 mb | Tropical Depression | -- |
| Sep 13 | 21:00 GMT | 21.5 | 131.71 | -- | 996 mb | Tropical Depression | -- |
| Sep 13 | 18:00 GMT | 21.5 | 132.5 | -- | 996 mb | Tropical Depression | -- |
| Sep 13 | 15:00 GMT | 21.5 | 133.39 | -- | 996 mb | Tropical Depression | -- |
| Sep 13 | 12:00 GMT | 21.5 | 134.3 | -- | 996 mb | Tropical Depression | -- |
| Sep 13 | 09:00 GMT | 21.5 | 135.17 | -- | 998 mb | Tropical Depression | -- |
| Sep 13 | 06:00 GMT | 21.5 | 136 | -- | 1,000 mb | Tropical Depression | -- |
| Sep 13 | 03:00 GMT | 21.51 | 136.73 | -- | 1,001 mb | Tropical Depression | -- |
| Sep 13 | 00:00 GMT | 21.5 | 137.5 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 12 | 21:00 GMT | 21.42 | 138.47 | -- | 1,003 mb | Tropical Depression | -- |
| Sep 12 | 18:00 GMT | 21.3 | 139.5 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 12 | 15:00 GMT | 21.17 | 140.46 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 12 | 12:00 GMT | 21 | 141.4 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 12 | 09:00 GMT | 20.76 | 142.37 | -- | 1,003 mb | Tropical Depression | -- |
| Sep 12 | 06:00 GMT | 20.5 | 143.3 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 12 | 03:00 GMT | 20.29 | 144.26 | -- | 1,003 mb | Tropical Depression | -- |
| Sep 12 | 00:00 GMT | 20.1 | 145 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 21:00 GMT | 19.88 | 145.33 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 18:00 GMT | 19.7 | 145.5 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 15:00 GMT | 19.64 | 145.79 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 12:00 GMT | 19.6 | 146.1 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 09:00 GMT | 19.48 | 146.4 | -- | 1,003 mb | Tropical Depression | -- |
| Sep 11 | 06:00 GMT | 19.3 | 146.7 | -- | 1,002 mb | Tropical Depression | -- |
Learn more about Typhoon Dinah and the 1977 Western Pacific hurricane season in our hurricane archive.
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