Storm Activity: Jul 14, 1999 - Jul 18, 1999
Jul 18 · 12:00 GMT -- 1,000 mb Tropical Depression
| Jul 18 | 12:00 GMT | 31.4 | 142.4 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 18 | 09:00 GMT | 31 | 142.42 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 18 | 06:00 GMT | 30.6 | 142.4 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 18 | 03:00 GMT | 30.21 | 142.33 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 18 | 00:00 GMT | 29.8 | 142.4 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 17 | 21:00 GMT | 29.36 | 142.78 | -- | 999 mb | Tropical Storm | -- |
| Jul 17 | 18:00 GMT | 28.9 | 143.3 | 40 mph | 998 mb | Tropical Storm | -- |
| Jul 17 | 15:00 GMT | 28.43 | 143.74 | 40 mph | 997 mb | Tropical Storm | -- |
| Jul 17 | 12:00 GMT | 28 | 144.2 | 40 mph | 996 mb | Tropical Storm | -- |
| Jul 17 | 09:00 GMT | 27.62 | 144.71 | 40 mph | 996 mb | Tropical Storm | -- |
| Jul 17 | 06:00 GMT | 27.3 | 145.2 | 40 mph | 996 mb | Tropical Storm | -- |
| Jul 17 | 03:00 GMT | 27.04 | 145.59 | 40 mph | 996 mb | Tropical Storm | -- |
| Jul 17 | 00:00 GMT | 26.8 | 146 | 40 mph | 996 mb | Tropical Storm | -- |
| Jul 16 | 21:00 GMT | 26.55 | 146.52 | 40 mph | 996 mb | Tropical Storm | -- |
| Jul 16 | 18:00 GMT | 26.2 | 147.1 | 40 mph | 996 mb | Tropical Storm | -- |
| Jul 16 | 15:00 GMT | 25.64 | 147.69 | -- | 998 mb | Tropical Depression | -- |
| Jul 16 | 12:00 GMT | 25 | 148.3 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 16 | 09:00 GMT | 24.36 | 148.97 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 16 | 06:00 GMT | 23.8 | 149.6 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 16 | 03:00 GMT | 23.4 | 150.05 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 16 | 00:00 GMT | 23.1 | 150.5 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 15 | 21:00 GMT | 22.82 | 151.19 | -- | 1,001 mb | Tropical Depression | -- |
| Jul 15 | 18:00 GMT | 22.6 | 151.8 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 15 | 15:00 GMT | 22.43 | 152.07 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 15 | 12:00 GMT | 22.3 | 152.2 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 15 | 09:00 GMT | 22.19 | 152.4 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 15 | 06:00 GMT | 22.1 | 152.6 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 15 | 03:00 GMT | 22.03 | 152.76 | -- | 1,003 mb | Tropical Depression | -- |
| Jul 15 | 00:00 GMT | 22 | 153 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 14 | 21:00 GMT | 21.98 | 153.51 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 14 | 18:00 GMT | 22 | 154 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 14 | 15:00 GMT | 22.05 | 154.19 | -- | 1,005 mb | Tropical Depression | -- |
| Jul 14 | 12:00 GMT | 22.2 | 154.3 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 14 | 09:00 GMT | 22.47 | 154.51 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 14 | 06:00 GMT | 22.8 | 154.8 | -- | 1,006 mb | Tropical Depression | -- |
Learn more about Unnamed Tropical Storm and the 1999 Western Pacific hurricane season in our hurricane archive.
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