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

National Assessment of Storm-Induced Coastal Change Hazards

Hurricane Joaquin Storm Response

Pre- and Post-Storm Photo Comparisons - South Carolina

Hurricane Joaquin, though it did not make direct landfall on the U.S. coastline, affected a broad swath of mid-Atlantic and North-eastern states, from South Carolina to Massachusetts. Onshore winds from Joaquin combined with a non-tropical low pressure system led to high waves and elevated total water levels that impacted the coast for several days, causing extensive beach and dune erosion and even overwash in some locations. Here, photos pairs are used to compare the pre-storm and post-storm conditions at locations representing a broad range of coastal configurations and their response to the storm. Pre-storm aerial photos were acquired by National Oceanic and Atmospheric Administration (NOAA) during a baseline survey on June 13, 2015 and post-storm photos were acquired October 7, 2015.

Location Map
Location Map.

pre- and post-storm photos
Location 1: Oblique aerial photographs of Edisto Island, SC. View looking northwest along the South Carolina shore. Elevated storm-induced water levels overtopped the low dunes here causing the dune to overwash. Sand was transported landward burying the marsh (green arrow). The yellow arrow in each image points to the same feature. Images courtesy of National Oceanic and Atmospheric Administration. [larger version]

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pre- and post-storm photos
Location 2: Oblique aerial photographs of Folly Beach, SC. View looking northwest along the South Carolina shore. Waves and surge from Hurricane Joaquin eroded the beach, causing significant shoreline retreat and a narrower beach. The sand fence was damaged indicating possible overwash or inundation (green arrow). The yellow arrow in each image points to the same feature. Images courtesy of National Oceanic and Atmospheric Administration. [larger version]

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pre- and post-storm photos
Location 3: Oblique aerial photographs of Isle of Palms, SC. View looking northwest along the South Carolina shore. High waves and storm surge from Hurricane Joaquin overtopped and breached the seawall in front of the line of homes, removing dune vegetation and damaging walkways (green arrow). The yellow arrow in each image points to the same feature. Images courtesy of National Oceanic and Atmospheric Administration. [larger version]

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pre- and post-storm photos
Location 4: Oblique aerial photographs of Isle of Palms, SC. View looking northwest along the South Carolina shore. High waves and storm surge from Hurricane Joaquin eroded the beach, transported sand inland (green arrow) and exposed the seawall in front of the high rise buildings.  Note the standing water and newly deposited sand to the right of the high rise building (near the yellow arrow) that indicate possible overwash. The yellow arrow in each image points to the same feature. Images courtesy of National Oceanic and Atmospheric Administration. [larger version]

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

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