Storm Activity: Aug 7, 1999 - Aug 11, 1999
Aug 11 · 06:00 GMT 15 mph -- Tropical Depression
| Aug 11 | 06:00 GMT | 36.3 | 135.5 | 15 mph | -- | Tropical Depression | -- |
| Aug 11 | 03:00 GMT | 36.09 | 135.74 | 15 mph | -- | Tropical Depression | -- |
| Aug 11 | 00:00 GMT | 35.8 | 135.9 | 15 mph | -- | Tropical Depression | -- |
| Aug 10 | 21:00 GMT | 35.41 | 135.96 | 20 mph | -- | Tropical Depression | -- |
| Aug 10 | 18:00 GMT | 35 | 136 | 25 mph | -- | Tropical Depression | -- |
| Aug 10 | 15:00 GMT | 34.69 | 136.13 | 25 mph | -- | Tropical Depression | -- |
| Aug 10 | 12:00 GMT | 34.4 | 136.3 | 30 mph | -- | Tropical Depression | -- |
| Aug 10 | 09:00 GMT | 34.06 | 136.48 | 30 mph | -- | Tropical Depression | -- |
| Aug 10 | 06:00 GMT | 33.7 | 136.7 | 30 mph | -- | Tropical Depression | -- |
| Aug 10 | 03:00 GMT | 33.3 | 136.98 | 30 mph | -- | Tropical Depression | -- |
| Aug 10 | 00:00 GMT | 32.9 | 137.3 | 30 mph | -- | Tropical Depression | -- |
| Aug 9 | 21:00 GMT | 32.54 | 137.6 | 30 mph | -- | Tropical Depression | -- |
| Aug 9 | 18:00 GMT | 32.2 | 138 | 30 mph | -- | Tropical Depression | -- |
| Aug 9 | 15:00 GMT | 31.9 | 138.61 | 30 mph | -- | Tropical Depression | -- |
| Aug 9 | 12:00 GMT | 31.5 | 139.2 | 30 mph | -- | Tropical Depression | -- |
| Aug 9 | 09:00 GMT | 30.89 | 139.58 | 30 mph | -- | Tropical Depression | -- |
| Aug 9 | 06:00 GMT | 30.2 | 139.8 | 30 mph | -- | Tropical Depression | -- |
| Aug 9 | 03:00 GMT | 29.64 | 139.81 | 30 mph | -- | Tropical Depression | -- |
| Aug 9 | 00:00 GMT | 29 | 139.9 | 30 mph | -- | Tropical Depression | -- |
| Aug 8 | 21:00 GMT | 28.06 | 140.45 | 30 mph | -- | Tropical Depression | -- |
| Aug 8 | 18:00 GMT | 27.2 | 141 | 30 mph | -- | Tropical Depression | -- |
| Aug 8 | 15:00 GMT | 26.75 | 141.13 | 30 mph | -- | Tropical Depression | -- |
| Aug 8 | 12:00 GMT | 26.5 | 141.1 | 30 mph | -- | Tropical Depression | -- |
| Aug 8 | 09:00 GMT | 26.21 | 141.1 | 25 mph | -- | Tropical Depression | -- |
| Aug 8 | 06:00 GMT | 26 | 141.1 | 25 mph | -- | Tropical Depression | -- |
| Aug 8 | 03:00 GMT | 25.88 | 141.15 | 25 mph | -- | Tropical Depression | -- |
| Aug 8 | 00:00 GMT | 25.8 | 141.2 | 30 mph | -- | Tropical Depression | -- |
| Aug 7 | 21:00 GMT | 25.69 | 141.2 | 30 mph | -- | Tropical Depression | -- |
| Aug 7 | 18:00 GMT | 25.6 | 141.2 | 30 mph | -- | Tropical Depression | -- |
| Aug 7 | 15:00 GMT | 25.55 | 141.24 | 30 mph | -- | Tropical Depression | -- |
| Aug 7 | 12:00 GMT | 25.5 | 141.3 | 30 mph | -- | Tropical Depression | -- |
| Aug 7 | 09:00 GMT | 25.41 | 141.35 | 30 mph | -- | Tropical Depression | -- |
| Aug 7 | 06:00 GMT | 25.3 | 141.4 | 30 mph | -- | Tropical Depression | -- |
| Aug 7 | 03:00 GMT | 25.2 | 141.45 | 30 mph | -- | Tropical Depression | -- |
| Aug 7 | 00:00 GMT | 25.1 | 141.5 | 30 mph | -- | Tropical Depression | -- |
Learn more about Unnamed Tropical Depression and the 1999 Western Pacific hurricane season in our hurricane archive.
View All Hurricanes and Tropical Cyclones