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St. Petersburg Coastal and Marine Science Center

St. Petersburg Coastal and Marine Science Center > National Assessment of Storm-Induced Coastal Change Hazards > Hurricane Irma

National Assessment of Storm-Induced Coastal Change Hazards

Hurricane Irma Storm Response

Pre- and Post-Storm Photo Comparisons - Florida Keys

Below is an initial comparison of imagery collected by the National Oceanic and Atmospheric Administration (NOAA) in 2015 with similar imagery taken a few days after Hurricane Irma's landfall (https://storms.ngs.noaa.gov/). These photos provide information about how the coast was impacted by the storm. Yellow arrows point to the same location in both pre- and post-storm photos.

Location Map
Locations of observed coastal change due to Hurricane Irma.



pre- and post-storm photos
Location 1: Elevated water levels and large waves during Hurricane Irma caused damage to A1A in Key West. [larger version]



pre- and post-storm photos
Location 2: Storm waves and surge during Hurricane Irma overtopped the seawall in front of these homes on Summerland Key and transported sand both landward and seaward of the existing seawalls. High winds likely caused the structural damage to the building rooftops. [larger version]



pre- and post-storm photos
Location 3: Elevated water levels during Hurricane Irma overtopped the seawall and transported sand landward, covering the vegetation in Spanish Harbor Key. [larger version]



pre- and post-storm photos
Location 4: The beach and campground in Bahia Honda Key State Park experienced erosion due to elevated water levels during Hurricane Irma. [larger version]



pre- and post-storm photos
Location 5: Elevated water levels and high waves overtopped the dunes at Sombrero Beach in Marathon Key causing sand to overwash, covering the road. [larger version]

St. Petersburg Coastal and Marine Science Center > National Assessment of Storm-Induced Coastal Change Hazards > Hurricane Irma

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Page Last Modified: September 15, 2017 04:04 PM (JSG)

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