Flooding Near Columbia, South Carolina • Earth.com

Last update: October 21st, 2019 at 9:00 am

After record-breaking rains pounded South Carolina in early October 2015, severe floods overwhelmed many parts of the state. More than a dozen dams were breached, entire neighborhoods were swamped, hundreds of roads were made impassable, and more than a dozen people were killed .

More than a week after rain stopped falling, residents of low-lying coastal communities found themselves bracing for a second deluge as flood waters from inland worked toward the sea. On October 8, 2015, meteorologists warned that Georgetown, Jamestown, and points south of Givhans Ferry could face severe flooding in the coming days.

columbia-south-carolina-flooding_2big_landsat8_101514On October 8, 2015, the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite observed the flooded interior of South Carolina. For comparison, the second image shows the same area on October 15, 2014, as observed by the Operational Land Imager (OLI) on Landsat 8. Flood water covered broad swaths of farmland, forests, and wetlands east of the Congaree River in 2015. Note that the dark areas in the 2014 image are cloud shadows.

Columbia set new records for 24-hour, two-day, and three-day rainfall totals as a result of the rain. Meteorologists tracking the event say it was severe enough to be categorized as a “1000-year rain”—meaning there is just a 0.1 percent chance that a rain event so severe can occur in any given year.


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