Storm Activity: Sep 9, 1978 - Sep 17, 1978
Sep 17 · 12:00 GMT -- 990 mb Extratropical
| Sep 17 | 12:00 GMT | 42 | 159 | -- | 990 mb | Extratropical | -- |
| Sep 17 | 09:00 GMT | 41.5 | 157.02 | -- | 987 mb | Tropical Storm | -- |
| Sep 17 | 06:00 GMT | 41 | 155.5 | 50 mph | 985 mb | Tropical Storm | -- |
| Sep 17 | 03:00 GMT | 40.54 | 154.67 | 55 mph | 977 mb | Severe Tropical Storm | -- |
| Sep 17 | 00:00 GMT | 40 | 154 | 60 mph | 970 mb | Severe Tropical Storm | -- |
| Sep 16 | 21:00 GMT | 39.25 | 152.9 | 70 mph | 965 mb | Typhoon | -- |
| Sep 16 | 18:00 GMT | 38.4 | 151.7 | 80 mph | 960 mb | Typhoon | 1 |
| Sep 16 | 15:00 GMT | 37.56 | 150.6 | 85 mph | 955 mb | Typhoon | 1 |
| Sep 16 | 12:00 GMT | 36.7 | 149.5 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 16 | 09:00 GMT | 35.77 | 148.33 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 16 | 06:00 GMT | 34.9 | 147.3 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 16 | 03:00 GMT | 34.2 | 146.55 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 16 | 00:00 GMT | 33.6 | 146 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 15 | 21:00 GMT | 33.03 | 145.55 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 15 | 18:00 GMT | 32.5 | 145.2 | 90 mph | 950 mb | Typhoon | 1 |
| Sep 15 | 15:00 GMT | 31.93 | 144.86 | 90 mph | 952 mb | Typhoon | 1 |
| Sep 15 | 12:00 GMT | 31.4 | 144.6 | 85 mph | 955 mb | Typhoon | 1 |
| Sep 15 | 09:00 GMT | 30.98 | 144.46 | 85 mph | 957 mb | Typhoon | 1 |
| Sep 15 | 06:00 GMT | 30.6 | 144.4 | 85 mph | 960 mb | Typhoon | 1 |
| Sep 15 | 03:00 GMT | 30.19 | 144.32 | 85 mph | 962 mb | Typhoon | 1 |
| Sep 15 | 00:00 GMT | 29.8 | 144.3 | 80 mph | 965 mb | Typhoon | 1 |
| Sep 14 | 21:00 GMT | 29.49 | 144.38 | 75 mph | 967 mb | Typhoon | 1 |
| Sep 14 | 18:00 GMT | 29.2 | 144.5 | 75 mph | 970 mb | Typhoon | 1 |
| Sep 14 | 15:00 GMT | 28.89 | 144.59 | 75 mph | 972 mb | Typhoon | 1 |
| Sep 14 | 12:00 GMT | 28.6 | 144.7 | 75 mph | 975 mb | Typhoon | 1 |
| Sep 14 | 09:00 GMT | 28.34 | 144.9 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 14 | 06:00 GMT | 28.1 | 145.1 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Sep 14 | 03:00 GMT | 27.85 | 145.21 | 70 mph | 977 mb | Severe Tropical Storm | -- |
| Sep 14 | 00:00 GMT | 27.6 | 145.3 | 70 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 13 | 21:00 GMT | 27.37 | 145.44 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 13 | 18:00 GMT | 27.1 | 145.6 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 13 | 15:00 GMT | 26.73 | 145.74 | 60 mph | 982 mb | Severe Tropical Storm | -- |
| Sep 13 | 12:00 GMT | 26.3 | 145.9 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 13 | 09:00 GMT | 25.85 | 146.09 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 13 | 06:00 GMT | 25.4 | 146.3 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 13 | 03:00 GMT | 24.95 | 146.46 | 50 mph | 988 mb | Tropical Storm | -- |
| Sep 13 | 00:00 GMT | 24.6 | 146.7 | 45 mph | 992 mb | Tropical Storm | -- |
| Sep 12 | 21:00 GMT | 24.41 | 147.12 | 45 mph | 993 mb | Tropical Storm | -- |
| Sep 12 | 18:00 GMT | 24.3 | 147.6 | 40 mph | 994 mb | Tropical Storm | -- |
| Sep 12 | 15:00 GMT | 24.16 | 148 | -- | 996 mb | Tropical Depression | -- |
| Sep 12 | 12:00 GMT | 24 | 148.4 | -- | 998 mb | Tropical Depression | -- |
| Sep 12 | 09:00 GMT | 23.79 | 148.86 | -- | 999 mb | Tropical Depression | -- |
| Sep 12 | 06:00 GMT | 23.6 | 149.3 | -- | 1,000 mb | Tropical Depression | -- |
| Sep 12 | 03:00 GMT | 23.48 | 149.64 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 12 | 00:00 GMT | 23.4 | 150 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 21:00 GMT | 23.31 | 150.48 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 18:00 GMT | 23.2 | 151 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 15:00 GMT | 23.06 | 151.5 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 12:00 GMT | 22.9 | 152 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 09:00 GMT | 22.75 | 152.49 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 06:00 GMT | 22.6 | 153 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 03:00 GMT | 22.46 | 153.56 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 11 | 00:00 GMT | 22.3 | 154.2 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 10 | 21:00 GMT | 22.07 | 154.93 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 10 | 18:00 GMT | 21.8 | 155.7 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 10 | 15:00 GMT | 21.51 | 156.47 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 10 | 12:00 GMT | 21.2 | 157.2 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 10 | 09:00 GMT | 20.9 | 157.85 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 10 | 06:00 GMT | 20.6 | 158.5 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 10 | 03:00 GMT | 20.29 | 159.23 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 10 | 00:00 GMT | 20 | 160 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 9 | 21:00 GMT | 19.75 | 160.81 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 9 | 18:00 GMT | 19.5 | 161.6 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 9 | 15:00 GMT | 19.19 | 162.31 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 9 | 12:00 GMT | 18.9 | 163 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 9 | 09:00 GMT | 18.69 | 163.74 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 9 | 06:00 GMT | 18.5 | 164.5 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 9 | 03:00 GMT | 18.27 | 165.25 | -- | 1,005 mb | Tropical Depression | -- |
| Sep 9 | 00:00 GMT | 18 | 166 | -- | 1,006 mb | Tropical Depression | -- |
Learn more about Typhoon Judy and the 1978 Western Pacific hurricane season in our hurricane archive.
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