Storm Activity: Dec 13, 1998 - Dec 18, 1998
Dec 18 · 06:00 GMT 40 mph -- Tropical Cyclone
| Dec 18 | 06:00 GMT | -39.5 | 168.4 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 18 | 06:00 GMT | -39.5 | 168.4 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 18 | 03:00 GMT | -38.46 | 168.14 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 18 | 03:00 GMT | -38.46 | 168.14 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 18 | 00:00 GMT | -37.4 | 167.9 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 18 | 00:00 GMT | -37.4 | 167.9 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 21:00 GMT | -36.31 | 167.65 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 21:00 GMT | -36.31 | 167.65 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 18:00 GMT | -35.3 | 167.3 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 18:00 GMT | -35.3 | 167.3 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 15:00 GMT | -34.47 | 166.73 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 15:00 GMT | -34.47 | 166.73 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 12:00 GMT | -33.7 | 166.1 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 12:00 GMT | -33.7 | 166.1 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 09:00 GMT | -32.88 | 165.53 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 09:00 GMT | -32.88 | 165.53 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 06:00 GMT | -32 | 165.1 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 06:00 GMT | -32 | 165.1 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 03:00 GMT | -31.01 | 164.87 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 03:00 GMT | -31.01 | 164.87 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 00:00 GMT | -30 | 164.8 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 17 | 00:00 GMT | -30 | 164.8 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 21:00 GMT | -29.06 | 164.85 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 21:00 GMT | -29.06 | 164.85 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 18:00 GMT | -28.2 | 164.9 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 18:00 GMT | -28.2 | 164.9 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 15:00 GMT | -27.4 | 164.82 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 15:00 GMT | -27.4 | 164.82 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 12:00 GMT | -26.7 | 164.6 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 12:00 GMT | -26.7 | 164.6 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 09:00 GMT | -26.06 | 164.25 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 09:00 GMT | -26.06 | 164.25 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 06:00 GMT | -25.5 | 163.8 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 06:00 GMT | -25.5 | 163.8 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 03:00 GMT | -24.99 | 163.36 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 03:00 GMT | -24.99 | 163.36 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 00:00 GMT | -24.5 | 162.9 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 16 | 00:00 GMT | -24.5 | 162.9 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 21:00 GMT | -23.94 | 162.44 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 21:00 GMT | -23.94 | 162.44 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 18:00 GMT | -23.4 | 162 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 18:00 GMT | -23.4 | 162 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 15:00 GMT | -22.99 | 161.64 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 15:00 GMT | -22.99 | 161.64 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 12:00 GMT | -22.6 | 161.3 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 12:00 GMT | -22.6 | 161.3 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 09:00 GMT | -22.12 | 160.9 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 09:00 GMT | -22.12 | 160.9 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 06:00 GMT | -21.6 | 160.5 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 06:00 GMT | -21.6 | 160.5 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 03:00 GMT | -21.08 | 160.15 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 03:00 GMT | -21.08 | 160.15 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 00:00 GMT | -20.6 | 159.8 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 15 | 00:00 GMT | -20.6 | 159.8 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 21:00 GMT | -20.15 | 159.44 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 21:00 GMT | -20.15 | 159.44 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 18:00 GMT | -19.8 | 159 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 18:00 GMT | -19.8 | 159 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 15:00 GMT | -19.58 | 158.45 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 15:00 GMT | -19.58 | 158.45 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 12:00 GMT | -19.4 | 157.8 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 12:00 GMT | -19.4 | 157.8 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 09:00 GMT | -19.13 | 157.06 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 09:00 GMT | -19.13 | 157.06 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 06:00 GMT | -18.8 | 156.4 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 06:00 GMT | -18.8 | 156.4 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 03:00 GMT | -18.4 | 155.93 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 03:00 GMT | -18.4 | 155.93 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 00:00 GMT | -18 | 155.7 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 14 | 00:00 GMT | -18 | 155.7 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 13 | 21:00 GMT | -17.7 | 155.71 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 13 | 21:00 GMT | -17.7 | 155.71 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 13 | 18:00 GMT | -17.4 | 155.9 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 13 | 18:00 GMT | -17.4 | 155.9 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 13 | 15:00 GMT | -17.03 | 156.14 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 13 | 15:00 GMT | -17.03 | 156.14 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 13 | 12:00 GMT | -16.6 | 156.4 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 13 | 12:00 GMT | -16.6 | 156.4 | 30 mph | -- | Tropical Cyclone | -- |
Learn more about Unnamed Tropical Cyclone and the 1999 Southern Hemisphere hurricane season in our hurricane archive.
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