Alert archive / South Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 15, NWS Wilmington, NC

April 19, 2013Darlington County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Apr 19, 2013, 5:29 PM EDT for Darlington County, South Carolina. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 19, 2013, 5:29 PM EDT (21:29 UTC)
Expired
Apr 19, 2013, 6:30 PM EDT
In force
61 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon

County Darlington County, SC

The radar

The Columbia radar (KCAE), 115 km from the middle of the area, began a volume at 21:30 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 19, 2:00 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 9.5 hours before the alert went out and 159 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-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 2013-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 666 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2013-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
666 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 5:49 PM EDTSpecial Weather StatementILMMarlboro26 min
Apr 19, 6:08 PM EDTSevere Thunderstorm WarningILMMarlboro67 min
Apr 19, 6:13 PM EDTSevere Thunderstorm WarningILMFlorence62 min
Apr 19, 6:28 PM EDTSevere Thunderstorm WarningILMDarlington, Dillon, Marlboro47 min
Apr 19, 6:38 PM EDTSevere Thunderstorm WarningILMWilliamsburg67 min
Apr 19, 6:58 PM EDTSevere Thunderstorm WarningILMDillon, Marion62 min
Apr 19, 7:07 PM EDTSevere Thunderstorm WarningILMDillon38 min
Apr 19, 7:12 PM EDTSevere Thunderstorm WarningILMFlorence, Marion63 min
Apr 19, 7:41 PM EDTSpecial Weather StatementILMGeorgetown, Horry64 min
Apr 19, 7:37 PM EDTSpecial Weather StatementILMBladen, Columbus38 min
Apr 19, 7:43 PM EDTSevere Thunderstorm WarningILMBladen47 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2013Every severe thunderstorm warning in 2013

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.