Atlantic 2023 season
Hurricane Tammy (2023)
Hurricane Tammy was a Category 2 hurricane at its peak, with maximum sustained winds of 109 mph (95 kt) and a minimum central pressure of 965 mb. It was active from Oct 18, 2023 to Oct 31, 2023 and made 1 documented landfall.
Storm facts
| Peak status | Hurricane — Category 2 |
|---|---|
| Max sustained winds | 95 kt / 109 mph / 176 km/h |
| Minimum central pressure | 965 mb |
| Active dates | Oct 18, 2023 – Oct 31, 2023 |
| Accumulated cyclone energy (ACE) | 18.1 |
| Documented landfalls | 1 |
Every value on this page is taken directly from the NHC HURDAT2 best-track record for Tammy 2023. Nothing is estimated. The best-track table below shows one entry per day at 00:00 UTC; the full six-hourly record lives in the HURDAT2 database.
Best-track table (daily, 00:00 UTC)
| Date | Status | Max winds | Position |
|---|---|---|---|
| Oct 19, 2023 | Tropical storm | 35 kt (65 km/h) | 13.0N 52.5W |
| Oct 20, 2023 | Tropical storm | 50 kt (93 km/h) | 13.6N 57.2W |
| Oct 21, 2023 | Hurricane | 70 kt (130 km/h) | 14.5N 59.6W |
| Oct 22, 2023 | Hurricane | 80 kt (148 km/h) | 17.5N 61.7W |
| Oct 23, 2023 | Hurricane | 75 kt (139 km/h) | 20.2N 63.9W |
| Oct 24, 2023 | Hurricane | 65 kt (120 km/h) | 22.6N 63.5W |
| Oct 25, 2023 | Hurricane | 75 kt (139 km/h) | 24.5N 61.2W |
| Oct 26, 2023 | Hurricane | 80 kt (148 km/h) | 29.1N 57.8W |
| Oct 27, 2023 | Tropical storm | 60 kt (111 km/h) | 31.5N 60.1W |
| Oct 28, 2023 | Tropical storm | 50 kt (93 km/h) | 32.6N 61.5W |
| Oct 29, 2023 | Post-tropical low | 35 kt (65 km/h) | 32.8N 56.1W |
| Oct 30, 2023 | Post-tropical low | 30 kt (56 km/h) | 29.6N 49.6W |
| Oct 31, 2023 | Post-tropical low | 25 kt (46 km/h) | 25.6N 48.5W |
Read this like a pro
Wind speeds above are in knots, the unit NHC uses in HURDAT2. For what a Category 2 wind field actually does, see hurricane categories explained; for why the wind number alone never tells the danger story, see storm surge vs. flooding.