Storm Activity: Dec 21, 1998 - Dec 24, 1998
Dec 24 · 00:00 GMT 35 mph -- Tropical Cyclone
| Dec 24 | 00:00 GMT | -39.9 | -134 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 24 | 00:00 GMT | -39.9 | -134 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 21:00 GMT | -38.41 | -137.05 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 21:00 GMT | -38.41 | -137.05 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 18:00 GMT | -36.8 | -139.7 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 18:00 GMT | -36.8 | -139.7 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 15:00 GMT | -35.06 | -141.78 | 50 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 15:00 GMT | -35.06 | -141.78 | 50 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 12:00 GMT | -33.3 | -143.5 | 60 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 12:00 GMT | -33.3 | -143.5 | 60 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 09:00 GMT | -31.5 | -145.26 | 55 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 09:00 GMT | -31.5 | -145.26 | 55 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 06:00 GMT | -29.9 | -146.7 | 50 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 06:00 GMT | -29.9 | -146.7 | 50 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 03:00 GMT | -28.68 | -147.6 | 50 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 03:00 GMT | -28.68 | -147.6 | 50 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 00:00 GMT | -27.7 | -148.3 | 50 mph | -- | Tropical Cyclone | -- |
| Dec 23 | 00:00 GMT | -27.7 | -148.3 | 50 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 21:00 GMT | -26.68 | -149.25 | 50 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 21:00 GMT | -26.68 | -149.25 | 50 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 18:00 GMT | -25.8 | -150.1 | 45 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 18:00 GMT | -25.8 | -150.1 | 45 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 15:00 GMT | -25.15 | -150.64 | 45 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 15:00 GMT | -25.15 | -150.64 | 45 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 12:00 GMT | -24.6 | -151 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 12:00 GMT | -24.6 | -151 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 09:00 GMT | -23.95 | -151.35 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 09:00 GMT | -23.95 | -151.35 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 06:00 GMT | -23.3 | -151.6 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 06:00 GMT | -23.3 | -151.6 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 03:00 GMT | -22.67 | -151.78 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 03:00 GMT | -22.67 | -151.78 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 00:00 GMT | -22.1 | -151.8 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 22 | 00:00 GMT | -22.1 | -151.8 | 40 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 21:00 GMT | -21.59 | -151.6 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 21:00 GMT | -21.58 | -151.59 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 18:00 GMT | -21.2 | -151.3 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 18:00 GMT | -21.2 | -151.3 | 35 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 15:00 GMT | -20.96 | -151.11 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 15:00 GMT | -21 | -151.09 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 12:00 GMT | -20.84 | -150.95 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 12:00 GMT | -20.9 | -150.9 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 09:00 GMT | -20.77 | -150.79 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 09:00 GMT | -20.8 | -150.76 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 06:00 GMT | -20.7 | -150.6 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 06:00 GMT | -20.7 | -150.6 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 03:00 GMT | -20.57 | -150.36 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 03:00 GMT | -20.56 | -150.37 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 00:00 GMT | -20.4 | -150.1 | 30 mph | -- | Tropical Cyclone | -- |
| Dec 21 | 00:00 GMT | -20.4 | -150.1 | 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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