Unnamed Hurricane, AL04 1870
Sep 9, 12:00 AM UTC – Sep 13, 6:00 PM UTC (4.8 days)
- Peak
- Hurricane, Category 3
- Max sustained wind
- 125 mph (110 kt)
- Lowest pressure
- 948 mb
- Landfalls
- 0
Track
- Hurricane
- Tropical Storm
- Tropical Depression
- Other
- Large white-ringed dots: landfall
Every track point (20)
| UTC | Status | Position | Wind kt | mb | Note |
|---|---|---|---|---|---|
| 1870-09-09 00:00 | HU | 24.2°N 64.0°W | 70 | — | |
| 1870-09-09 06:00 | HU | 25.1°N 64.4°W | 70 | — | |
| 1870-09-09 12:00 | HU | 26.0°N 65.0°W | 80 | — | |
| 1870-09-09 18:00 | HU | 27.1°N 65.6°W | 80 | — | |
| 1870-09-10 00:00 | HU | 28.7°N 66.3°W | 90 | — | |
| 1870-09-10 06:00 | HU | 30.5°N 66.6°W | 90 | — | |
| 1870-09-10 12:00 | HU | 32.5°N 66.3°W | 100 | — | |
| 1870-09-10 18:00 | HU | 33.9°N 65.4°W | 100 | — | |
| 1870-09-11 00:00 | HU | 35.4°N 64.1°W | 110 | — | |
| 1870-09-11 06:00 | HU | 36.8°N 62.6°W | 110 | — | |
| 1870-09-11 12:00 | HU | 38.0°N 61.2°W | 110 | — | |
| 1870-09-11 18:00 | HU | 39.7°N 59.4°W | 110 | — | |
| 1870-09-12 00:00 | HU | 41.5°N 57.4°W | 100 | 948 | |
| 1870-09-12 06:00 | HU | 43.5°N 55.4°W | 100 | — | |
| 1870-09-12 12:00 | HU | 45.0°N 53.0°W | 90 | — | |
| 1870-09-12 18:00 | HU | 46.0°N 51.0°W | 90 | — | |
| 1870-09-13 00:00 | EX | 47.0°N 48.2°W | 80 | — | |
| 1870-09-13 06:00 | EX | 47.8°N 45.0°W | 80 | — | |
| 1870-09-13 12:00 | EX | 48.4°N 42.0°W | 70 | — | |
| 1870-09-13 18:00 | EX | 49.0°N 39.0°W | 70 | — |
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.