 Tammy at peak intensity north of the Leeward Islands on October 25 | |
| Meteorological history | |
|---|---|
| Formed | October 18, 2023 |
| Post-tropical | October 28, 2023 |
| Dissipated | November 1, 2023 |
| Category 2 hurricane | |
| 1-minute sustained (SSHWS/NWS) | |
| Highest winds | 110 mph (175 km/h) |
| Lowest pressure | 965 mbar (hPa); 28.50 inHg |
| Overall effects | |
| Fatalities | None |
| Damage | $1.5 million (2023 USD) |
| Areas affected | Leeward Islands (Barbuda), Bermuda |
Part of the 2023 Atlantic hurricane season | |
Hurricane Tammy was a long-lived Atlantic hurricane in October 2023 that caused minor impacts across the Leeward Islands and Bermuda. The twentieth tropical storm, nineteenth named storm, and seventh hurricane of the 2023 Atlantic hurricane season,[a] Tammy originated from a late-season tropical wave off the coast of West Africa that developed into a tropical storm on October 18. Tammy became a hurricane two days later, unusually late in the season for hurricanes to develop in the tropical Atlantic.[1] and continued to intensify, aided by record warm sea surface temperatures. The hurricane then made landfall on Barbuda the next day. Afterwards, the hurricane slowly moved northwest paralleling the Leeward Islands, remaining steady in intensity for several days. On October 25, as the system began to accelerate northeast ahead of an approaching trough, Tammy intensified and peaked as a Category 2 hurricane with maximum sustained winds of 110 mph (175 km/h). It maintained hurricane strength for five days, before weakening to a tropical storm. Tammy degenerated into a post-tropical cyclone on October 28.
Impact-wise, the storm did cause light to moderate damage in Guadeloupe, particularly La Désirade, and Barbuda while Antigua had only minor damage, though blackouts occurred across both islands. Rainfall amounts across the Leeward Islands were between 4 and 8 in (100 and 200 mm), and storm surge heights were between 1 and 3 ft (0.30 and 0.91 m). Bermuda received minor impacts with wind gusts of 40 mph (65 km/h) as Tammy passed and meandered to the east of the island. Tammy was the second storm to impact the Leeward Islands in October, after Philippe passed through the region about two weeks prior. Overall damages totaled to US$1.5 million.
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- ^ "Hurricane Tammy Tracking North After Impacting The Northeast Caribbean Islands". The Weather Channel. October 22, 2023. Retrieved October 22, 2023.