A tight pressure gradient developed over southeast South Carolina between a deepening surface low over the northeastern United States and high pressure over the central United States. The gradient resulted in a strong westerly wind behind a departing cold front during peak heating hours in the afternoon.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS CHS wrote it up.
A tight pressure gradient developed over southeast South Carolina between a deepening surface low over the northeastern United States and high pressure over the central United States. The gradient resulted in a strong westerly wind behind a departing cold front during peak heating hours in the afternoon.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Charleston, SC wrote its last area forecast discussion before the first event at Mar 25, 12:58 PM EST, 1 hour 38 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
4 strong wind. Local standard time, as filed.
Law enforcement reported trees and power lines down near the intersection of Wentworth Street and Coming Street.
Law enforcement reported a tree down on Old Saint George Road.
Law enforcement reported a tree down on Firetower Road.
The South Carolina Highway Patrol reported a tree down near the intersection of Bamberg Highway and Corbin Lane.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2013Every state in 2013This day in weather historyWarnings in South Carolina, March 2013
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 438698, 438701, 438702, 438704.