7 inches. This ample moisture and weak forcing/shear allowed a strong pulse environment to develop with MLCAPE approaching 1500-1800 J/kg by the afternoon.
Every event with a place to put it. 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 CAE wrote it up.
Weak upper ridging along with a developing low off the Southeast coast allowed deep moisture to reach the eastern Midlands by the late afternoon on the 4th with PWAT's that reached 1.6-1.7 inches. This ample moisture and weak forcing/shear allowed a strong pulse environment to develop with MLCAPE approaching 1500-1800 J/kg by the afternoon. This led to the development of an isolated severe storm in Sumter County with reports of downed trees.
The Columbia radar (KCAE), 71 km away, was scanning. The volume nearest the first event began at 22:49 UTC.
2 thunderstorm wind. Local standard time, as filed.
SCDPS website reported a tree in roadway at the intersection of Church Street and West Hampton Lane. Time estimated by radar.
Sumter County 911 dispatch reported trees down throughout the county. No specifics given.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Carolina in 2025Every state in 2025This day in weather historyWarnings in South Carolina, July 2025
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: 1266780, 1266781.