Unnamed was a Cat 4 Atlantic tropical cyclone that existed from August 9 to August 12, 1856 (4 days). It reached peak winds of 149 mph (130 kt) and a minimum central pressure of 934 mb. The storm made one landfall on August 10 at 29.2°N, 91.1°W.
| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 1856-08-09 00:00 | HU | 25.00 | -83.90 | 70 | ||
| 1856-08-09 06:00 | HU | 25.70 | -85.10 | 80 | ||
| 1856-08-09 12:00 | HU | 26.30 | -86.50 | 90 | ||
| 1856-08-09 18:00 | HU | 27.00 | -87.80 | 100 | ||
| 1856-08-10 00:00 | HU | 27.70 | -89.10 | 110 | ||
| 1856-08-10 06:00 | HU | 28.20 | -89.80 | 120 | ||
| 1856-08-10 12:00 | HU | 28.70 | -90.50 | 130 | ||
| 1856-08-10 18:00 | HU | 29.20 | -91.10 | 130 | 934 | Landfall |
| 1856-08-11 00:00 | HU | 29.70 | -91.60 | 110 | ||
| 1856-08-11 06:00 | HU | 30.00 | -91.80 | 80 | ||
| 1856-08-11 12:00 | TS | 30.30 | -91.90 | 60 | ||
| 1856-08-11 18:00 | TS | 30.60 | -91.80 | 50 | ||
| 1856-08-12 00:00 | TS | 30.90 | -91.60 | 40 | ||
| 1856-08-12 06:00 | TS | 31.30 | -91.00 | 40 |
Source: NOAA National Hurricane Center HURDAT2 best-track database (nhc.noaa.gov/data). Data is in the public domain. Best-track positions and intensities are post-storm reanalysis estimates and may differ from real-time advisories.