Water Resources of the United States
Date: Thu, 20 Sep 2018 14:27:17 EDT
Summary: Record rainfall from Hurricane Florence is causing historic flooding in North and South Carolina.
North Carolina and South Carolina received state record rainfall from Hurricane Florence which made landfall last week. North Carolina received 34" and South Carolina received 23.6" Major flooding is ongoing in most of central and eastern North Carolina, and eastern South Carolina on the Cape Fear, Lumber, Waccamaw, Pee Dee, Little Pee Dee, and Lynches Rivers. Preliminary analyses indicate annual exceedance probabililty of 0.002 at 15 gages and 0.005 at 3 gages. 10 gages in North Carolina and 4 gages in South Carolina recorded period of record peaks. Several Coastal Plain rivers are are starting to recede, while others are still rising. The Waccamaw River in South Carolina will not peak until next week. 36 fatalities have been attributed to Hurricane Florence and the ensuing flooding.
22 gages have been damaged or destroyed; however,the majority have already been repaired/replaced. 56 SAWSC employees are currently making flood measurements, gage repairs sensor retrievals, and high water mark documentation. SAWSC is in continuous communication with NWS, FEMA, State EMDs and DOTs, USACE, and local law enforcement.