Twenty-One was a TD Atlantic tropical cyclone that existed from October 23 to October 24, 2023 (2 days). It reached peak winds of 28 mph (25 kt) and a minimum central pressure of 1007 mb. The storm made one landfall on October 24 at 12.4°N, 83.5°W.
The National Hurricane Center's official post-storm analysis is published as a detailed PDF report — meteorological history, casualties, damage assessment, forecast performance, and synoptic discussion.
Read NHC's full report on Twenty-One → (opens at nhc.noaa.gov)| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 2023-10-23 12:00 | TD | 11.40 | -82.60 | 25 | 1007 | |
| 2023-10-23 18:00 | TD | 11.50 | -83.20 | 25 | 1007 | |
| 2023-10-24 00:00 | TD | 12.20 | -83.40 | 25 | 1007 | |
| 2023-10-24 01:30 | TD | 12.40 | -83.50 | 25 | 1007 | Landfall |
| 2023-10-24 06:00 | TD | 13.00 | -83.80 | 25 | 1007 | |
| 2023-10-24 12:00 | LO | 13.50 | -84.40 | 20 | 1007 |
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.