Storm Activity: Jul 21, 2017 - Jul 29, 2017
Jul 29 · 12:00 GMT -- 1,002 mb Tropical Depression
| Jul 29 | 12:00 GMT | 18 | 103.6 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 29 | 09:00 GMT | 17.96 | 103.75 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 29 | 06:00 GMT | 17.9 | 103.8 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 29 | 03:00 GMT | 17.8 | 103.72 | -- | 1,003 mb | Tropical Depression | -- |
| Jul 29 | 00:00 GMT | 17.7 | 103.6 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 28 | 21:00 GMT | 17.64 | 103.57 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 28 | 18:00 GMT | 17.6 | 103.6 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 28 | 15:00 GMT | 17.59 | 103.67 | -- | 1,003 mb | Tropical Depression | -- |
| Jul 28 | 12:00 GMT | 17.6 | 103.8 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 28 | 09:00 GMT | 17.62 | 104.02 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 28 | 06:00 GMT | 17.6 | 104.2 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 28 | 03:00 GMT | 17.52 | 104.19 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 28 | 00:00 GMT | 17.4 | 104.1 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 27 | 21:00 GMT | 17.31 | 104.07 | -- | 1,001 mb | Tropical Depression | -- |
| Jul 27 | 18:00 GMT | 17.2 | 104 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 27 | 15:00 GMT | 17.06 | 103.86 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 27 | 12:00 GMT | 16.9 | 103.7 | -- | 1,000 mb | Tropical Depression | -- |
| Jul 27 | 09:00 GMT | 16.74 | 103.6 | -- | 999 mb | Tropical Depression | -- |
| Jul 27 | 06:00 GMT | 16.6 | 103.5 | -- | 998 mb | Tropical Depression | -- |
| Jul 27 | 03:00 GMT | 16.49 | 103.35 | -- | 998 mb | Tropical Depression | -- |
| Jul 27 | 00:00 GMT | 16.4 | 103.2 | -- | 998 mb | Tropical Depression | -- |
| Jul 26 | 21:00 GMT | 16.29 | 103.06 | -- | 998 mb | Tropical Depression | -- |
| Jul 26 | 18:00 GMT | 16.2 | 103 | -- | 998 mb | Tropical Depression | -- |
| Jul 26 | 15:00 GMT | 16.19 | 103.11 | -- | 998 mb | Tropical Depression | -- |
| Jul 26 | 12:00 GMT | 16.2 | 103.3 | -- | 998 mb | Tropical Depression | -- |
| Jul 26 | 09:00 GMT | 16.16 | 103.49 | -- | 998 mb | Tropical Depression | -- |
| Jul 26 | 06:00 GMT | 16.1 | 103.7 | -- | 998 mb | Tropical Depression | -- |
| Jul 26 | 03:00 GMT | 16.03 | 103.85 | -- | 998 mb | Tropical Depression | -- |
| Jul 26 | 00:00 GMT | 16 | 104.1 | -- | 998 mb | Tropical Depression | -- |
| Jul 25 | 21:00 GMT | 16.05 | 104.58 | -- | 998 mb | Tropical Depression | -- |
| Jul 25 | 18:00 GMT | 16.2 | 105.2 | -- | 998 mb | Tropical Depression | -- |
| Jul 25 | 15:00 GMT | 16.49 | 105.86 | -- | 998 mb | Tropical Depression | -- |
| Jul 25 | 12:00 GMT | 16.8 | 106.5 | -- | 998 mb | Tropical Depression | -- |
| Jul 25 | 09:00 GMT | 16.99 | 107.01 | -- | 996 mb | Tropical Storm | -- |
| Jul 25 | 06:00 GMT | 17.1 | 107.5 | 40 mph | 994 mb | Tropical Storm | -- |
| Jul 25 | 03:00 GMT | 17.14 | 108.12 | 40 mph | 994 mb | Tropical Storm | -- |
| Jul 25 | 00:00 GMT | 17.1 | 108.7 | 40 mph | 994 mb | Tropical Storm | -- |
| Jul 24 | 21:00 GMT | 17 | 109.13 | 40 mph | 994 mb | Tropical Storm | -- |
| Jul 24 | 18:00 GMT | 16.9 | 109.5 | 40 mph | 994 mb | Tropical Storm | -- |
| Jul 24 | 15:00 GMT | 16.88 | 109.92 | 40 mph | 995 mb | Tropical Storm | -- |
| Jul 24 | 12:00 GMT | 16.9 | 110.3 | 40 mph | 996 mb | Tropical Storm | -- |
| Jul 24 | 09:00 GMT | 16.94 | 110.58 | 40 mph | 996 mb | Tropical Storm | -- |
| Jul 24 | 06:00 GMT | 17 | 110.8 | 40 mph | 996 mb | Tropical Storm | -- |
| Jul 24 | 03:00 GMT | 17.05 | 111.01 | 40 mph | 997 mb | Tropical Storm | -- |
| Jul 24 | 00:00 GMT | 17.1 | 111.2 | 40 mph | 998 mb | Tropical Storm | -- |
| Jul 23 | 21:00 GMT | 17.15 | 111.43 | 40 mph | 998 mb | Tropical Storm | -- |
| Jul 23 | 18:00 GMT | 17.2 | 111.6 | 40 mph | 998 mb | Tropical Storm | -- |
| Jul 23 | 15:00 GMT | 17.24 | 111.63 | 40 mph | 999 mb | Tropical Storm | -- |
| Jul 23 | 12:00 GMT | 17.3 | 111.6 | 40 mph | 1,000 mb | Tropical Storm | -- |
| Jul 23 | 09:00 GMT | 17.4 | 111.6 | 40 mph | 1,000 mb | Tropical Storm | -- |
| Jul 23 | 06:00 GMT | 17.5 | 111.6 | 40 mph | 1,000 mb | Tropical Storm | -- |
| Jul 23 | 03:00 GMT | 17.56 | 111.59 | 40 mph | 1,000 mb | Tropical Storm | -- |
| Jul 23 | 00:00 GMT | 17.6 | 111.6 | 40 mph | 1,000 mb | Tropical Storm | -- |
| Jul 22 | 21:00 GMT | 17.65 | 111.64 | -- | 1,001 mb | Tropical Depression | -- |
| Jul 22 | 18:00 GMT | 17.7 | 111.7 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 22 | 15:00 GMT | 17.75 | 111.79 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 22 | 12:00 GMT | 17.8 | 111.9 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 22 | 09:00 GMT | 17.86 | 111.99 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 22 | 06:00 GMT | 17.9 | 112.1 | -- | 1,002 mb | Tropical Depression | -- |
| Jul 22 | 03:00 GMT | 17.9 | 112.24 | -- | 1,003 mb | Tropical Depression | -- |
| Jul 22 | 00:00 GMT | 17.9 | 112.4 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 21 | 21:00 GMT | 17.95 | 112.54 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 21 | 18:00 GMT | 18 | 112.7 | -- | 1,004 mb | Tropical Depression | -- |
| Jul 21 | 15:00 GMT | 18.02 | 112.88 | -- | 1,005 mb | Tropical Depression | -- |
| Jul 21 | 12:00 GMT | 18 | 113.1 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 21 | 09:00 GMT | 17.92 | 113.36 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 21 | 06:00 GMT | 17.8 | 113.7 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 21 | 03:00 GMT | 17.66 | 114.17 | -- | 1,006 mb | Tropical Depression | -- |
| Jul 21 | 00:00 GMT | 17.5 | 114.7 | -- | 1,006 mb | Tropical Depression | -- |
Learn more about Tropical Storm Sonca and the 2017 Western Pacific hurricane season in our hurricane archive.
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