Storm Activity: Aug 15, 1991 - Aug 24, 1991
Aug 24 · 18:00 GMT -- 1,002 mb Tropical Depression
| Aug 24 | 18:00 GMT | 35 | 120.5 | -- | 1,002 mb | Tropical Depression | -- |
| Aug 24 | 15:00 GMT | 35.04 | 121.02 | -- | 1,001 mb | Tropical Depression | -- |
| Aug 24 | 12:00 GMT | 35 | 121.5 | -- | 1,000 mb | Tropical Depression | -- |
| Aug 24 | 09:00 GMT | 34.85 | 121.94 | -- | 999 mb | Tropical Depression | -- |
| Aug 24 | 06:00 GMT | 34.8 | 122.5 | -- | 998 mb | Tropical Depression | -- |
| Aug 24 | 03:00 GMT | 35.11 | 123.39 | -- | 997 mb | Tropical Depression | -- |
| Aug 24 | 00:00 GMT | 35.5 | 124.3 | -- | 996 mb | Tropical Depression | -- |
| Aug 23 | 21:00 GMT | 35.72 | 124.9 | -- | 994 mb | Tropical Storm | -- |
| Aug 23 | 18:00 GMT | 35.8 | 125.4 | 40 mph | 992 mb | Tropical Storm | -- |
| Aug 23 | 15:00 GMT | 35.84 | 125.99 | 45 mph | 991 mb | Tropical Storm | -- |
| Aug 23 | 12:00 GMT | 35.6 | 126.6 | 45 mph | 990 mb | Tropical Storm | -- |
| Aug 23 | 09:00 GMT | 35 | 127.2 | 45 mph | 988 mb | Tropical Storm | -- |
| Aug 23 | 06:00 GMT | 34.6 | 127.7 | 50 mph | 985 mb | Tropical Storm | -- |
| Aug 23 | 03:00 GMT | 34.1 | 128 | 60 mph | 980 mb | Severe Tropical Storm | -- |
| Aug 23 | 00:00 GMT | 33.6 | 128.3 | 60 mph | 980 mb | Severe Tropical Storm | -- |
| Aug 22 | 21:00 GMT | 33.2 | 128.5 | 60 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 22 | 18:00 GMT | 32.7 | 128.7 | 60 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 22 | 15:00 GMT | 32.1 | 129 | 60 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 22 | 12:00 GMT | 31.8 | 129 | 65 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 22 | 09:00 GMT | 31.6 | 129.2 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 22 | 06:00 GMT | 31.3 | 129.3 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 22 | 03:00 GMT | 30.8 | 129.3 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 22 | 00:00 GMT | 30.5 | 129.4 | 70 mph | 970 mb | Severe Tropical Storm | -- |
| Aug 21 | 21:00 GMT | 30.1 | 129.4 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Aug 21 | 18:00 GMT | 29.8 | 129.6 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Aug 21 | 15:00 GMT | 29.6 | 129.7 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Aug 21 | 12:00 GMT | 29.4 | 129.8 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Aug 21 | 09:00 GMT | 29.2 | 129.9 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Aug 21 | 06:00 GMT | 29 | 130.1 | 70 mph | 965 mb | Severe Tropical Storm | -- |
| Aug 21 | 03:00 GMT | 28.9 | 130.2 | 70 mph | 970 mb | Severe Tropical Storm | -- |
| Aug 21 | 00:00 GMT | 28.9 | 130.3 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 20 | 21:00 GMT | 28.6 | 130.5 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 20 | 18:00 GMT | 28.4 | 130.9 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 20 | 15:00 GMT | 28.3 | 131.5 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 20 | 12:00 GMT | 28 | 132 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 20 | 09:00 GMT | 28.1 | 132.4 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 20 | 06:00 GMT | 28.2 | 132.9 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 20 | 03:00 GMT | 28.1 | 133.3 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 20 | 00:00 GMT | 28 | 133.7 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 19 | 21:00 GMT | 27.8 | 133.9 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 19 | 18:00 GMT | 27.7 | 134.1 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 19 | 15:00 GMT | 27.5 | 134.2 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 19 | 12:00 GMT | 27.3 | 134.5 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 19 | 09:00 GMT | 27.1 | 134.7 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 19 | 06:00 GMT | 27 | 135 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 19 | 03:00 GMT | 27.2 | 135.3 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 19 | 00:00 GMT | 27.2 | 135.8 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 18 | 21:00 GMT | 27.2 | 136.6 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 18 | 18:00 GMT | 26.8 | 136.9 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 18 | 15:00 GMT | 26.5 | 137.1 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 18 | 12:00 GMT | 26.3 | 137.3 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 18 | 09:00 GMT | 26.2 | 137.6 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 18 | 06:00 GMT | 26.2 | 138 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 18 | 03:00 GMT | 26.1 | 138.5 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 18 | 00:00 GMT | 26.1 | 139 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 17 | 21:00 GMT | 25.9 | 139.4 | 70 mph | 975 mb | Severe Tropical Storm | -- |
| Aug 17 | 18:00 GMT | 25.9 | 140 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Aug 17 | 15:00 GMT | 25.8 | 140.6 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Aug 17 | 12:00 GMT | 25.8 | 141.2 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Aug 17 | 09:00 GMT | 26.2 | 141.9 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Aug 17 | 06:00 GMT | 26.2 | 142.7 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Aug 17 | 03:00 GMT | 25.6 | 143.3 | 50 mph | 990 mb | Tropical Storm | -- |
| Aug 17 | 00:00 GMT | 25.1 | 143.9 | 50 mph | 990 mb | Tropical Storm | -- |
| Aug 16 | 21:00 GMT | 25 | 144.5 | 50 mph | 990 mb | Tropical Storm | -- |
| Aug 16 | 18:00 GMT | 24.9 | 145 | 50 mph | 990 mb | Tropical Storm | -- |
| Aug 16 | 15:00 GMT | 24.8 | 145.6 | 50 mph | 990 mb | Tropical Storm | -- |
| Aug 16 | 12:00 GMT | 24.2 | 146.1 | 45 mph | 990 mb | Tropical Storm | -- |
| Aug 16 | 09:00 GMT | 23.91 | 146.73 | 45 mph | 990 mb | Tropical Storm | -- |
| Aug 16 | 06:00 GMT | 23.8 | 147.4 | 45 mph | 990 mb | Tropical Storm | -- |
| Aug 16 | 03:00 GMT | 23.66 | 147.95 | 45 mph | 991 mb | Tropical Storm | -- |
| Aug 16 | 00:00 GMT | 23.5 | 148.5 | 40 mph | 992 mb | Tropical Storm | -- |
| Aug 15 | 21:00 GMT | 23.21 | 149.15 | -- | 995 mb | Tropical Depression | -- |
| Aug 15 | 18:00 GMT | 22.9 | 149.8 | -- | 998 mb | Tropical Depression | -- |
| Aug 15 | 15:00 GMT | 22.68 | 150.37 | -- | 998 mb | Tropical Depression | -- |
| Aug 15 | 12:00 GMT | 22.5 | 150.9 | -- | 998 mb | Tropical Depression | -- |
| Aug 15 | 09:00 GMT | 22.28 | 151.4 | -- | 998 mb | Tropical Depression | -- |
| Aug 15 | 06:00 GMT | 22.1 | 151.9 | -- | 998 mb | Tropical Depression | -- |
| Aug 15 | 03:00 GMT | 22.02 | 152.44 | -- | 999 mb | Tropical Depression | -- |
| Aug 15 | 00:00 GMT | 22 | 153 | -- | 1,000 mb | Tropical Depression | -- |
Learn more about Tropical Storm Gladys and the 1991 Western Pacific hurricane season in our hurricane archive.
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