Storm Activity: Sep 14, 1991 - Sep 21, 1991
Sep 21 · 15:00 GMT -- 968 mb Extratropical
| Sep 21 | 15:00 GMT | 47.09 | -177.52 | -- | 968 mb | Extratropical | -- |
| Sep 21 | 12:00 GMT | 47 | 180 | -- | 972 mb | Extratropical | -- |
| Sep 21 | 09:00 GMT | 46.64 | 177.58 | -- | 974 mb | Extratropical | -- |
| Sep 21 | 06:00 GMT | 46 | 175 | -- | 976 mb | Extratropical | -- |
| Sep 21 | 03:00 GMT | 45.01 | 171.91 | -- | 982 mb | Extratropical | -- |
| Sep 21 | 00:00 GMT | 44 | 169 | -- | 988 mb | Extratropical | -- |
| Sep 20 | 21:00 GMT | 43.41 | 166.95 | -- | 990 mb | Extratropical | -- |
| Sep 20 | 18:00 GMT | 43 | 165 | -- | 992 mb | Extratropical | -- |
| Sep 20 | 15:00 GMT | 42.42 | 162.64 | -- | 991 mb | Extratropical | -- |
| Sep 20 | 12:00 GMT | 42 | 160 | -- | 990 mb | Extratropical | -- |
| Sep 20 | 09:00 GMT | 42 | 157.02 | -- | 990 mb | Extratropical | -- |
| Sep 20 | 06:00 GMT | 42 | 154 | -- | 990 mb | Extratropical | -- |
| Sep 20 | 03:00 GMT | 41.77 | 151.34 | -- | 990 mb | Extratropical | -- |
| Sep 20 | 00:00 GMT | 41 | 149 | -- | 990 mb | Extratropical | -- |
| Sep 19 | 21:00 GMT | 39.5 | 147 | 60 mph | 990 mb | Severe Tropical Storm | -- |
| Sep 19 | 18:00 GMT | 38.4 | 144.7 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 19 | 15:00 GMT | 37.2 | 142.6 | 65 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 19 | 12:00 GMT | 35.8 | 141.4 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 19 | 09:00 GMT | 33.9 | 140 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 19 | 06:00 GMT | 31.6 | 138.5 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 19 | 03:00 GMT | 30.2 | 137 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 19 | 00:00 GMT | 29.7 | 135.6 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 18 | 21:00 GMT | 29.2 | 134.4 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 18 | 18:00 GMT | 28.7 | 133.3 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 18 | 15:00 GMT | 28.2 | 132.4 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 18 | 12:00 GMT | 27.6 | 131.7 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 18 | 09:00 GMT | 27.2 | 131.2 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 18 | 06:00 GMT | 26.7 | 130.8 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 18 | 03:00 GMT | 26.2 | 130.4 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 18 | 00:00 GMT | 25.4 | 130.1 | 65 mph | 980 mb | Severe Tropical Storm | -- |
| Sep 17 | 21:00 GMT | 24.5 | 129.7 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 17 | 18:00 GMT | 23.6 | 129.3 | 60 mph | 985 mb | Severe Tropical Storm | -- |
| Sep 17 | 15:00 GMT | 22.8 | 129.1 | 50 mph | 990 mb | Tropical Storm | -- |
| Sep 17 | 12:00 GMT | 22.5 | 129.5 | 50 mph | 990 mb | Tropical Storm | -- |
| Sep 17 | 09:00 GMT | 22.4 | 130 | 50 mph | 990 mb | Tropical Storm | -- |
| Sep 17 | 06:00 GMT | 22.4 | 130.4 | 50 mph | 990 mb | Tropical Storm | -- |
| Sep 17 | 03:00 GMT | 22.4 | 130.8 | 50 mph | 990 mb | Tropical Storm | -- |
| Sep 17 | 00:00 GMT | 22.4 | 131.1 | 50 mph | 990 mb | Tropical Storm | -- |
| Sep 16 | 21:00 GMT | 22.29 | 131.38 | 50 mph | 990 mb | Tropical Storm | -- |
| Sep 16 | 18:00 GMT | 22.1 | 131.7 | 50 mph | 990 mb | Tropical Storm | -- |
| Sep 16 | 15:00 GMT | 21.91 | 132.11 | 45 mph | 992 mb | Tropical Storm | -- |
| Sep 16 | 12:00 GMT | 21.7 | 132.6 | 40 mph | 994 mb | Tropical Storm | -- |
| Sep 16 | 09:00 GMT | 21.57 | 133.12 | 40 mph | 994 mb | Tropical Storm | -- |
| Sep 16 | 06:00 GMT | 21.3 | 133.7 | 40 mph | 994 mb | Tropical Storm | -- |
| Sep 16 | 03:00 GMT | 20.64 | 134.33 | 40 mph | 995 mb | Tropical Storm | -- |
| Sep 16 | 00:00 GMT | 19.9 | 135 | 40 mph | 996 mb | Tropical Storm | -- |
| Sep 15 | 21:00 GMT | 19.32 | 135.74 | 40 mph | 997 mb | Tropical Storm | -- |
| Sep 15 | 18:00 GMT | 18.9 | 136.4 | 40 mph | 998 mb | Tropical Storm | -- |
| Sep 15 | 15:00 GMT | 18.72 | 136.81 | 40 mph | 998 mb | Tropical Storm | -- |
| Sep 15 | 12:00 GMT | 18.6 | 137.2 | 40 mph | 998 mb | Tropical Storm | -- |
| Sep 15 | 09:00 GMT | 18.32 | 137.81 | -- | 999 mb | Tropical Depression | -- |
| Sep 15 | 06:00 GMT | 18 | 138.5 | -- | 1,000 mb | Tropical Depression | -- |
| Sep 15 | 03:00 GMT | 17.76 | 139.16 | -- | 1,001 mb | Tropical Depression | -- |
| Sep 15 | 00:00 GMT | 17.5 | 139.8 | -- | 1,002 mb | Tropical Depression | -- |
| Sep 14 | 21:00 GMT | 17.08 | 140.4 | -- | 1,003 mb | Tropical Depression | -- |
| Sep 14 | 18:00 GMT | 16.7 | 141 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 14 | 15:00 GMT | 16.52 | 141.69 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 14 | 12:00 GMT | 16.4 | 142.3 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 14 | 09:00 GMT | 16.25 | 142.63 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 14 | 06:00 GMT | 16 | 143 | -- | 1,004 mb | Tropical Depression | -- |
| Sep 14 | 03:00 GMT | 15.56 | 143.66 | -- | 1,005 mb | Tropical Depression | -- |
| Sep 14 | 00:00 GMT | 15 | 144.5 | -- | 1,006 mb | Tropical Depression | -- |
Learn more about Tropical Storm Luke and the 1991 Central Pacific hurricane season in our hurricane archive.
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