Alert archive / South Carolina / Flash Flood Warnings in 2025

Flash Flood Warning 9, NWS Wilmington, NC

October 12, 2025Georgetown County, South Carolina

NWS Wilmington, NC issued this flash flood warning at Oct 12, 2025, 7:00 AM EDT for Georgetown County, South Carolina. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 12, 2025, 7:00 AM EDT (11:00 UTC)
Expired: Oct 12, 2025, 2:00 PM EDT
In force: 7 hr
Issued by: NWS Wilmington, NC
Area: Storm-based polygon
Flood severity: None

County Georgetown County, SC

The radar

The Wilmington radar (KLTX), 103 km from the middle of the area, began a volume at 11:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Newport, NC (KMHX), launched 00:00Z, 11.0 hours before the alert went out and 270 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 518 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 487 m²/s²
0-3 km storm-relative helicity: 670 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 12, 1:51 AM EDT	Coastal Flood Advisory	ILM	Brunswick, New Hanover, Pender	15 hr
Oct 12, 11:03 AM EDT	Gale Warning	ILM		5 hr
Oct 12, 11:03 AM EDT	Small Craft Advisory	ILM		36 hr
Oct 12, 2:18 PM EDT	Areal Flood Advisory	ILM	Columbus	2 hr
Oct 12, 2:56 PM EDT	Flash Flood Warning	ILM	Columbus	3 hr
Oct 12, 4:00 PM EDT	Areal Flood Advisory	ILM	Columbus, Robeson	3 hr
Oct 12, 5:59 PM EDT	Flash Flood Warning	ILM	Columbus, Robeson	5 hr
Oct 12, 7:47 PM EDT	Rip Current Statement	ILM	New Hanover, Pender	24 hr
Oct 12, 6:10 AM EDT	Areal Flood Advisory	ILM	Georgetown	72 min
Oct 12, 9:23 AM EDT	Areal Flood Advisory	ILM	Georgetown, Horry	3 hr
Oct 12, 11:54 AM EDT	Flash Flood Warning	ILM	Georgetown, Horry	4 hr
Oct 12, 12:50 PM EDT	Areal Flood Advisory	ILM	Horry	3 hr
Oct 12, 1:46 PM EDT	Special Weather Statement	ILM	Dillon	44 min

Nearby

Flash Flood Warnings in South Carolina, 2025 Every flash flood warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.