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NHC AL042005 · Atlantic basin

Hurricane Dennis (2005)

July 4, 2005 – July 18, 2005

Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated

Hurricane Dennis peaked at Category 4 with 150 mph sustained winds and passed within 75 miles of 101 US cities, 62 of them while still at hurricane strength.

Dennis in the record

HURDAT2 tracks Dennis for 14 days, from July 4, 2005 to July 18, 2005. Its first position, at 12.0°N 60.8°W, records it as a tropical depression; its last, at 45.8°N 79.8°W, as a low. It reached tropical-storm strength on July 5 and hurricane and major-hurricane strength on July 7. Its peak was 150 mph (130 knots), Category 4, on July 8, and its lowest central pressure was 930 millibars on July 10. It spent about 4 days at hurricane strength. HURDAT2 marks a landfall within 50 miles of a US city on this site: on July 10 at 121 mph (Category 3), 11 miles from Pensacola, FL. It has 3 more landfalls in the record farther from the cities here. Its centre passed within 75 miles of 101 US cities, in 3 states, most in Alabama (59) and Florida (28), between July 10 and July 11. The strongest pass was 127 mph (Category 3) 67 miles from Panama City Beach, FL; the centre came closest to Atmore, AL, 1 mile away. 62 of the cities had it at hurricane strength at the closest point, 24 at major-hurricane strength. It reached more US cities than 38% of the 737 storms on this site, and ranks 5th of the 9 storms of 2005 here.

Peak strength
Category 4

150 mph

Cities within 75 mi
101
At hurricane strength
62

when closest

States
3

Cities Dennis passed near, strongest first

Florida (28)

Alabama (59)

Mississippi (14)

Other storms of the 2005 season

  • ArleneTropical storm · 61 cities
  • CindyCategory 1 · 154 cities
  • KatrinaCategory 5 · 384 cities
  • OpheliaCategory 1 · 81 cities
  • RitaCategory 5 · 179 cities
  • TammyTropical storm · 234 cities
  • Twenty-TwoTropical storm · 32 cities
  • WilmaCategory 5 · 97 cities

All hurricanes and tropical storms →

About this record

The track is the National Hurricane Center's best-track record, revised after the season with every observation available. Strength at a city is the sustained wind on the track at the closest point, not the wind that city measured.