All seasons · Atlantic
1991 Atlantic hurricane season
The 1991 Atlantic season has 12 storms in the best-track record; 8 reached tropical-storm strength and 4 became hurricanes, 2 of them major. Its accumulated cyclone energy of 34.0 is the 19th-lowest of the 175 seasons in the Atlantic record since 1851. Claudette was the strongest, peaking at 130 mph as a Category 4 hurricane. Landfall records exist for 4 of its storms, in the Azores, Cuba, Maine, Nova Scotia and Rhode Island. The first record is dated July 2, the last November 2.
Storm by storm
More storms formed in October than in any other month of 1991: 4 of 12. Claudette both lasted longest, 8.0 days as a tropical or subtropical system, and contributed the most energy, 41% of the season's ACE. Strongest landfall of each storm: Bob reached Rhode Island as a Category 2 hurricane on August 19; Erika reached the Azores as a tropical storm on September 12; Fabian reached Cuba as a tropical storm on October 16; Storm 12 of 1991 reached Nova Scotia as a tropical storm on November 2.
| Storm | Dates | Peak | Strength | Lowest | Landfalls |
|---|---|---|---|---|---|
| Ana | Jul 2–5 | 50 mph | Tropical storm | 1000 mb | – |
| Storm 2 of 1991 | Jul 5–7 | 35 mph | Depression | – | – |
| Bob | Aug 16–20 | 115 mph | Category 3 | 950 mb | Rhode Island, Maine |
| Storm 4 of 1991 | Aug 24–26 | 35 mph | Depression | 1009 mb | – |
| Storm 5 of 1991 | Aug 28–31 | 35 mph | Depression | – | – |
| Claudette | Sep 4–12 | 130 mph | Category 4 | 944 mb | – |
| Danny | Sep 7–11 | 50 mph | Tropical storm | 998 mb | – |
| Erika | Sep 8–12 | 60 mph | Tropical storm | 997 mb | Azores |
| Fabian | Oct 15–16 | 45 mph | Tropical storm | 1002 mb | Cuba |
| Storm 10 of 1991 | Oct 24–25 | 30 mph | Depression | 1009 mb | – |
| Grace | Oct 25–29 | 105 mph | Category 2 | 980 mb | – |
| Storm 12 of 1991 | Oct 31 – Nov 2 | 75 mph | Category 1 | 980 mb | Nova Scotia |
Against other Atlantic seasons
Accumulated cyclone energy of every season; the red bar is 1991.