Tropical Storm Blas (2004)
Jul 12, 12:00 PM UTC – Jul 19, 6:00 AM UTC (6.8 days)
- Peak
- Tropical Storm
- Max sustained wind
- 65 mph (55 kt)
- Lowest pressure
- 991 mb
- Landfalls
- 0
Track
- Hurricane
- Tropical Storm
- Tropical Depression
- Other
- Large white-ringed dots: landfall
Every track point (28)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 2004-07-12 12:00 | TD | 14.6°N 105.5°W | 30 | 1006 | |
| 2004-07-12 18:00 | TS | 15.5°N 106.8°W | 35 | 1002 | |
| 2004-07-13 00:00 | TS | 16.4°N 108.0°W | 45 | 997 | |
| 2004-07-13 06:00 | TS | 17.3°N 109.3°W | 50 | 994 | |
| 2004-07-13 12:00 | TS | 18.4°N 110.8°W | 55 | 991 | |
| 2004-07-13 18:00 | TS | 19.6°N 112.2°W | 50 | 994 | |
| 2004-07-14 00:00 | TS | 20.7°N 113.7°W | 45 | 997 | |
| 2004-07-14 06:00 | TS | 21.5°N 115.1°W | 40 | 999 | |
| 2004-07-14 12:00 | TS | 22.1°N 116.6°W | 35 | 1002 | |
| 2004-07-14 18:00 | TD | 22.5°N 117.9°W | 30 | 1004 | |
| 2004-07-15 00:00 | TD | 22.9°N 119.2°W | 30 | 1005 | |
| 2004-07-15 06:00 | LO | 23.2°N 120.4°W | 30 | 1006 | |
| 2004-07-15 12:00 | LO | 23.4°N 121.4°W | 25 | 1007 | |
| 2004-07-15 18:00 | LO | 23.6°N 122.3°W | 25 | 1008 | |
| 2004-07-16 00:00 | LO | 23.8°N 123.3°W | 25 | 1008 | |
| 2004-07-16 06:00 | LO | 24.0°N 124.5°W | 25 | 1008 | |
| 2004-07-16 12:00 | LO | 24.1°N 125.5°W | 20 | 1008 | |
| 2004-07-16 18:00 | LO | 24.2°N 126.3°W | 20 | 1008 | |
| 2004-07-17 00:00 | LO | 24.4°N 127.0°W | 20 | 1009 | |
| 2004-07-17 06:00 | LO | 24.8°N 127.5°W | 20 | 1009 | |
| 2004-07-17 12:00 | LO | 25.2°N 127.8°W | 20 | 1009 | |
| 2004-07-17 18:00 | LO | 25.6°N 128.1°W | 15 | 1010 | |
| 2004-07-18 00:00 | LO | 26.0°N 128.3°W | 15 | 1010 | |
| 2004-07-18 06:00 | LO | 26.4°N 128.4°W | 15 | 1011 | |
| 2004-07-18 12:00 | LO | 26.7°N 128.2°W | 15 | 1012 | |
| 2004-07-18 18:00 | LO | 26.9°N 127.9°W | 15 | 1013 | |
| 2004-07-19 00:00 | LO | 26.9°N 127.6°W | 15 | 1014 | |
| 2004-07-19 06:00 | LO | 26.9°N 127.3°W | 15 | 1015 |
From the National Hurricane Center's best-track archive (HURDAT2), its post-season reanalysis; values can differ from the advisories issued at the time. Source: hurdat2-1851-2025-092326.txt, hurdat2-nepac-1949-2025-092926.txt.