Twelve was a TD Atlantic tropical cyclone that existed from September 15 to September 18, 2023 (4 days). It reached peak winds of 34 mph (30 kt) and a minimum central pressure of 1006 mb.
NHC's Tropical Cyclone Report for this storm has not yet been published. Reports are typically released 6–12 months after the storm.
| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 2023-09-15 12:00 | TD | 15.00 | -135.30 | 25 | 1007 | |
| 2023-09-15 18:00 | TD | 15.00 | -135.80 | 30 | 1006 | |
| 2023-09-16 00:00 | TD | 14.70 | -136.40 | 30 | 1006 | |
| 2023-09-16 06:00 | TD | 14.60 | -137.20 | 30 | 1006 | |
| 2023-09-16 12:00 | TD | 14.50 | -138.10 | 30 | 1006 | |
| 2023-09-16 18:00 | TD | 14.30 | -139.20 | 30 | 1006 | |
| 2023-09-17 00:00 | TD | 13.80 | -140.30 | 30 | 1007 | |
| 2023-09-17 06:00 | TD | 13.50 | -141.40 | 30 | 1007 | |
| 2023-09-17 12:00 | TD | 13.40 | -142.70 | 30 | 1007 | |
| 2023-09-17 18:00 | TD | 13.20 | -144.00 | 30 | 1007 | |
| 2023-09-18 00:00 | TD | 12.80 | -145.30 | 30 | 1007 | |
| 2023-09-18 06:00 | LO | 12.30 | -146.50 | 30 | 1007 | |
| 2023-09-18 12:00 | LO | 11.90 | -147.80 | 25 | 1008 |
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.