AL042005 | 2005 season

Dennis

Neutral 3FL impact Major Hurricane (Cat 3+) Rapid Intensification

Formed: 2005-07-04
Dissipated: 2005-07-18
Peak wind: 130 kt
Lifetime category: 4
Min pressure: 930 mb (lifetime)
Florida date: 2005-07-10
Approach: gulf
FL regions: NW3
Center landfall: yes (1)
ENSO (ASO ONI): -0.11
Peak surge (FL): 9 ft (Apalachee Bay (St. Marks inundated), well east of the Navarre Beach landfall)

Surge: storm surge above normal tide, 6-9 ft across the landfall zone. The peak Florida surge occurred roughly 150 miles east of landfall; higher than known winds there would support, per the TCR. Source: NHC Tropical Cyclone Report.

Track

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below hurricane strength
Cat 1
Cat 2
Cat 3
Cat 4
Cat 5
first track point
landfall (HURDAT2 L record, colored by intensity there)
Florida-relevant point (strongest fix on the FL impact date)
Florida Straits / Cuba shelf corridor (where track wobble is measured)

HURDAT2 best track. Coastline is stylized for orientation, not a boundary source.

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Intensity

Maximum sustained wind over the storm lifetime, with Saffir-Simpson thresholds and the Florida-relevant date marked. All values from HURDAT2.

Official Sources

NHC Tropical Cyclone Report (PDF, track map inside)

How This Record Was Built

join: name_match | confidence: high | pressure diff: 16mb | enrichment v1.3.0 | status: machine_enriched

Impact facts from the NOAA Continental US Hurricane Impacts table; track and intensity from NOAA HURDAT2; ENSO phase from CPC ONI. Full rules on the methodology page.