Storm Activity: Jan 3, 1999 - Jan 7, 1999
Jan 7 · 12:00 GMT 35 mph -- Tropical Depression
| Jan 7 | 12:00 GMT | 10.9 | 113.8 | 35 mph | -- | Tropical Depression | -- |
| Jan 7 | 09:00 GMT | 10.59 | 113.84 | 35 mph | -- | Tropical Depression | -- |
| Jan 7 | 06:00 GMT | 10.3 | 113.9 | 35 mph | -- | Tropical Depression | -- |
| Jan 7 | 03:00 GMT | 10.04 | 114 | 35 mph | -- | Tropical Storm | -- |
| Jan 7 | 00:00 GMT | 9.8 | 114.1 | 40 mph | -- | Tropical Storm | -- |
| Jan 6 | 21:00 GMT | 9.56 | 114.16 | 40 mph | -- | Tropical Storm | -- |
| Jan 6 | 18:00 GMT | 9.3 | 114.2 | 40 mph | -- | Tropical Storm | -- |
| Jan 6 | 15:00 GMT | 9.01 | 114.25 | 35 mph | -- | Tropical Depression | -- |
| Jan 6 | 12:00 GMT | 8.7 | 114.3 | 35 mph | -- | Tropical Depression | -- |
| Jan 6 | 09:00 GMT | 8.4 | 114.36 | 35 mph | -- | Tropical Depression | -- |
| Jan 6 | 06:00 GMT | 8.1 | 114.4 | 35 mph | -- | Tropical Depression | -- |
| Jan 6 | 03:00 GMT | 7.77 | 114.41 | 35 mph | -- | Tropical Depression | -- |
| Jan 6 | 00:00 GMT | 7.5 | 114.4 | 35 mph | -- | Tropical Depression | -- |
| Jan 5 | 21:00 GMT | 7.37 | 114.41 | 35 mph | -- | Tropical Depression | -- |
| Jan 5 | 18:00 GMT | 7.3 | 114.4 | 35 mph | -- | Tropical Depression | -- |
| Jan 5 | 15:00 GMT | 7.18 | 114.38 | 30 mph | -- | Tropical Depression | -- |
| Jan 5 | 12:00 GMT | 7.1 | 114.3 | 30 mph | -- | Tropical Depression | -- |
| Jan 5 | 09:00 GMT | 7.1 | 114.12 | 30 mph | -- | Tropical Depression | -- |
| Jan 5 | 06:00 GMT | 7.1 | 113.9 | 30 mph | -- | Tropical Depression | -- |
| Jan 5 | 03:00 GMT | 7.02 | 113.69 | 30 mph | -- | Tropical Depression | -- |
| Jan 5 | 00:00 GMT | 6.9 | 113.5 | 30 mph | -- | Tropical Depression | -- |
| Jan 4 | 21:00 GMT | 6.77 | 113.32 | 30 mph | -- | Tropical Depression | -- |
| Jan 4 | 18:00 GMT | 6.6 | 113.2 | 30 mph | -- | Tropical Depression | -- |
| Jan 4 | 15:00 GMT | 6.41 | 113.18 | 30 mph | -- | Tropical Depression | -- |
| Jan 4 | 12:00 GMT | 6.2 | 113.2 | 30 mph | -- | Tropical Depression | -- |
| Jan 4 | 09:00 GMT | 6 | 113.21 | 30 mph | -- | Tropical Depression | -- |
| Jan 4 | 06:00 GMT | 5.8 | 113.2 | 30 mph | -- | Tropical Depression | -- |
| Jan 4 | 03:00 GMT | 5.59 | 113.15 | 30 mph | -- | Tropical Depression | -- |
| Jan 4 | 00:00 GMT | 5.4 | 113.1 | 30 mph | -- | Tropical Depression | -- |
| Jan 3 | 21:00 GMT | 5.29 | 113.09 | 25 mph | -- | Tropical Depression | -- |
| Jan 3 | 18:00 GMT | 5.2 | 113.1 | 25 mph | -- | Tropical Depression | -- |
| Jan 3 | 15:00 GMT | 5.09 | 113.13 | 25 mph | -- | Tropical Depression | -- |
| Jan 3 | 12:00 GMT | 5 | 113.2 | 25 mph | -- | Tropical Depression | -- |
| Jan 3 | 09:00 GMT | 4.94 | 113.33 | 25 mph | -- | Tropical Depression | -- |
| Jan 3 | 06:00 GMT | 4.9 | 113.5 | 25 mph | -- | Tropical Depression | -- |
| Jan 3 | 03:00 GMT | 4.89 | 113.7 | 25 mph | -- | Tropical Depression | -- |
| Jan 3 | 00:00 GMT | 4.9 | 113.9 | 25 mph | -- | Tropical Depression | -- |
Learn more about Unnamed Tropical Storm and the 1999 Western Pacific hurricane season in our hurricane archive.
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