Storm Activity: Aug 4, 2021 - Aug 9, 2021
Aug 9 · 06:00 GMT 50 mph -- Tropical Storm
| Aug 9 | 06:00 GMT | 38.2 | 150 | 50 mph | -- | Tropical Storm | -- |
| Aug 9 | 00:00 GMT | 37.7 | 147 | 50 mph | -- | Tropical Storm | -- |
| Aug 8 | 18:00 GMT | 37 | 145.1 | 60 mph | -- | Tropical Storm | -- |
| Aug 8 | 12:00 GMT | 36.2 | 143.7 | 50 mph | -- | Tropical Storm | -- |
| Aug 8 | 06:00 GMT | 35.2 | 142.1 | 50 mph | -- | Tropical Storm | -- |
| Aug 8 | 00:00 GMT | 34 | 140.6 | 50 mph | -- | Tropical Storm | -- |
| Aug 7 | 18:00 GMT | 33.2 | 139.5 | 50 mph | -- | Tropical Storm | -- |
| Aug 7 | 12:00 GMT | 31.9 | 139 | 45 mph | -- | Tropical Storm | -- |
| Aug 7 | 06:00 GMT | 31 | 138.5 | 40 mph | -- | Tropical Storm | -- |
| Aug 7 | 00:00 GMT | 29.3 | 137.5 | 50 mph | -- | Tropical Storm | -- |
| Aug 6 | 18:00 GMT | 28.4 | 136.7 | 45 mph | -- | Tropical Storm | -- |
| Aug 6 | 12:00 GMT | 27.9 | 134.7 | 45 mph | -- | Tropical Storm | -- |
| Aug 6 | 06:00 GMT | 27.3 | 133.3 | 40 mph | -- | Tropical Storm | -- |
| Aug 6 | 00:00 GMT | 27 | 131.3 | 40 mph | -- | Tropical Storm | -- |
| Aug 5 | 18:00 GMT | 26.9 | 130.3 | 40 mph | -- | Tropical Storm | -- |
| Aug 5 | 12:00 GMT | 27 | 128.8 | 40 mph | -- | Tropical Storm | -- |
| Aug 5 | 06:00 GMT | 26.8 | 127.8 | 35 mph | -- | Tropical Depression | -- |
| Aug 5 | 00:00 GMT | 26.5 | 126.3 | 30 mph | -- | Tropical Depression | -- |
| Aug 4 | 18:00 GMT | 25.8 | 126.8 | 35 mph | -- | Tropical Depression | -- |
| Aug 4 | 12:00 GMT | 25.7 | 127.4 | 35 mph | -- | Tropical Depression | -- |
| Aug 4 | 06:00 GMT | 25 | 128.2 | 30 mph | -- | Tropical Depression | -- |
Learn more about Tropical Depression Mirinae and the 2021 Western Pacific hurricane season in our hurricane archive.
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