Storm Activity: Dec 16, 2003 - Dec 23, 2003
Dec 23 · 00:00 GMT 15 mph 993 mb Overland
| Dec 23 | 00:00 GMT | -15.5 | 130.5 | 15 mph | 993 mb | Overland | -- |
| Dec 22 | 21:00 GMT | -15.4 | 131 | 15 mph | 993 mb | Overland | -- |
| Dec 22 | 18:00 GMT | -15.2 | 131.3 | 15 mph | 992 mb | Overland | -- |
| Dec 22 | 15:00 GMT | -15 | 131.7 | 15 mph | 993 mb | Overland | -- |
| Dec 22 | 12:00 GMT | -14.8 | 132 | 15 mph | 993 mb | Overland | -- |
| Dec 22 | 09:00 GMT | -14.5 | 132.3 | 15 mph | 991 mb | Overland | -- |
| Dec 22 | 06:00 GMT | -14.3 | 132.4 | 15 mph | 992 mb | Overland | -- |
| Dec 22 | 03:00 GMT | -14.2 | 132.5 | 15 mph | 993 mb | Overland | -- |
| Dec 22 | 00:00 GMT | -14.1 | 132.6 | 15 mph | 994 mb | Overland | -- |
| Dec 21 | 21:00 GMT | -14 | 132.8 | 15 mph | 993 mb | Overland | -- |
| Dec 21 | 18:00 GMT | -14 | 132.8 | 25 mph | 992 mb | Overland | -- |
| Dec 21 | 15:00 GMT | -14 | 132.8 | 25 mph | 995 mb | Overland | -- |
| Dec 21 | 12:00 GMT | -14 | 133 | 25 mph | 995 mb | Overland | -- |
| Dec 21 | 09:00 GMT | -14 | 133.3 | 25 mph | 993 mb | Overland | -- |
| Dec 21 | 06:00 GMT | -13.6 | 133.6 | 25 mph | 995 mb | Overland | -- |
| Dec 21 | 03:00 GMT | -13.4 | 133.9 | 25 mph | 995 mb | Overland | -- |
| Dec 21 | 00:00 GMT | -13.1 | 133.8 | 35 mph | 993 mb | Overland | -- |
| Dec 20 | 21:00 GMT | -12.8 | 133.5 | 40 mph | 990 mb | Tropical Cyclone | -- |
| Dec 20 | 18:00 GMT | -12.5 | 133.4 | 45 mph | 985 mb | Tropical Cyclone | -- |
| Dec 20 | 15:00 GMT | -12.2 | 133.4 | 60 mph | 980 mb | Tropical Cyclone | -- |
| Dec 20 | 12:00 GMT | -11.8 | 133.6 | 70 mph | 975 mb | Tropical Cyclone | -- |
| Dec 20 | 09:00 GMT | -11.6 | 133.7 | 70 mph | 975 mb | Tropical Cyclone | -- |
| Dec 20 | 06:00 GMT | -11.4 | 133.8 | 75 mph | 970 mb | Tropical Cyclone | 1 |
| Dec 20 | 03:00 GMT | -11.2 | 133.9 | 75 mph | 970 mb | Tropical Cyclone | 1 |
| Dec 20 | 00:00 GMT | -11 | 134 | 75 mph | 970 mb | Tropical Cyclone | 1 |
| Dec 19 | 21:00 GMT | -10.9 | 134.1 | 75 mph | 970 mb | Tropical Cyclone | 1 |
| Dec 19 | 18:00 GMT | -10.6 | 134.3 | 75 mph | 970 mb | Tropical Cyclone | 1 |
| Dec 19 | 15:00 GMT | -10.4 | 134.4 | 75 mph | 970 mb | Tropical Cyclone | 1 |
| Dec 19 | 12:00 GMT | -10.2 | 134.5 | 70 mph | 975 mb | Tropical Cyclone | -- |
| Dec 19 | 09:00 GMT | -10 | 134.7 | 65 mph | 980 mb | Tropical Cyclone | -- |
| Dec 19 | 06:00 GMT | -10 | 134.8 | 65 mph | 982 mb | Tropical Cyclone | -- |
| Dec 19 | 03:00 GMT | -10 | 134.9 | 65 mph | 985 mb | Tropical Cyclone | -- |
| Dec 19 | 00:00 GMT | -9.9 | 135.1 | 60 mph | 988 mb | Tropical Cyclone | -- |
| Dec 18 | 21:00 GMT | -9.8 | 135.3 | 60 mph | 988 mb | Tropical Cyclone | -- |
| Dec 18 | 18:00 GMT | -9.8 | 135.4 | 45 mph | 990 mb | Tropical Cyclone | -- |
| Dec 18 | 15:00 GMT | -9.8 | 135.5 | 40 mph | 992 mb | Tropical Cyclone | -- |
| Dec 18 | 12:00 GMT | -9.8 | 135.5 | 35 mph | 995 mb | Tropical Depression | -- |
| Dec 18 | 09:00 GMT | -9.8 | 135.5 | 35 mph | 995 mb | Tropical Depression | -- |
| Dec 18 | 06:00 GMT | -9.7 | 135.6 | 35 mph | 995 mb | Tropical Depression | -- |
| Dec 18 | 03:00 GMT | -9.7 | 135.6 | 35 mph | 995 mb | Tropical Depression | -- |
| Dec 18 | 00:00 GMT | -9.6 | 135.6 | 35 mph | 995 mb | Tropical Depression | -- |
| Dec 17 | 21:00 GMT | -9.6 | 135.6 | 35 mph | 998 mb | Tropical Depression | -- |
| Dec 17 | 18:00 GMT | -9.5 | 135.6 | 35 mph | 998 mb | Tropical Depression | -- |
| Dec 17 | 15:00 GMT | -9.4 | 135.7 | 35 mph | 998 mb | Tropical Depression | -- |
| Dec 17 | 12:00 GMT | -9.3 | 136 | 35 mph | 998 mb | Tropical Depression | -- |
| Dec 17 | 09:00 GMT | -9.3 | 136.2 | 35 mph | 998 mb | Tropical Depression | -- |
| Dec 17 | 06:00 GMT | -9.3 | 136.6 | 30 mph | 1,000 mb | Tropical Depression | -- |
| Dec 17 | 03:00 GMT | -9.3 | 137.1 | 30 mph | 1,001 mb | Tropical Depression | -- |
| Dec 17 | 00:00 GMT | -9.4 | 137.4 | 30 mph | 1,002 mb | Tropical Depression | -- |
| Dec 16 | 21:00 GMT | -9.6 | 137.8 | 25 mph | 1,003 mb | Unknown | -- |
| Dec 16 | 18:00 GMT | -9.7 | 138 | 25 mph | 1,003 mb | Unknown | -- |
| Dec 16 | 15:00 GMT | -9.8 | 138.2 | 25 mph | 1,004 mb | Unknown | -- |
| Dec 16 | 12:00 GMT | -9.9 | 138.6 | 25 mph | 1,004 mb | Unknown | -- |
| Dec 16 | 09:00 GMT | -10 | 139 | 25 mph | 1,003 mb | Unknown | -- |
| Dec 16 | 06:00 GMT | -10 | 139.4 | 25 mph | 1,003 mb | Unknown | -- |
| Dec 16 | 03:00 GMT | -10 | 139.8 | 25 mph | 1,004 mb | Unknown | -- |
| Dec 16 | 00:00 GMT | -10 | 140.4 | 25 mph | 1,005 mb | Unknown | -- |
Learn more about Tropical Cyclone Debbie and the 2004 Southern Hemisphere hurricane season in our hurricane archive.
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