Alert archive / South Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 13, NWS Wilmington, NC

May 23, 2010Georgetown County, Horry County, South Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at May 23, 2010, 2:41 PM EDT for Georgetown County, Horry County, South Carolina. It was in force for 49 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
May 23, 2010, 2:41 PM EDT (18:41 UTC)
Expired
May 23, 2010, 3:30 PM EDT
In force
49 min
Issued by
NWS Wilmington, NC
Area
Storm-based polygon

Counties Georgetown County, SC, Horry County, SC

The radar

The Wilmington radar (KLTX), 75 km from the middle of the area, began a volume at 18:43 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

Charleston AFB, SC (KCHS), launched 12:00Z, 6.7 hours before the alert went out and 116 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 2010-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 681 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 2010-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
681 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
837 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 2:10 PM EDTSpecial Weather StatementILMHorry35 min
May 23, 3:49 PM EDTSevere Thunderstorm WarningILMGeorgetown41 min
May 23, 3:56 PM EDTSpecial Weather StatementILMGeorgetown64 min
May 23, 4:40 PM EDTSpecial Weather StatementILMDillon65 min
May 23, 6:18 PM EDTSpecial Weather StatementILMDillon57 min
May 23, 6:20 PM EDTSpecial Weather StatementILMMarion55 min
May 23, 6:55 PM EDTSevere Thunderstorm WarningILMFlorence, Williamsburg39 min
May 23, 7:45 PM EDTSpecial Weather StatementILMFlorence, Williamsburg90 min
May 23, 7:56 PM EDTSpecial Weather StatementILMMarion64 min
May 23, 12:11 PM EDTSpecial Weather StatementILMPender64 min
May 23, 12:59 PM EDTSevere Thunderstorm WarningILMBladen, Columbus50 min
May 23, 1:52 PM EDTSpecial Weather StatementILMBrunswick53 min
May 23, 1:55 PM EDTSevere Thunderstorm WarningILMBrunswick33 min
May 23, 4:39 PM EDTSpecial Weather StatementILMRobeson51 min
May 23, 4:52 PM EDTSevere Thunderstorm WarningILMRobeson53 min
May 23, 5:24 PM EDTSevere Thunderstorm WarningILMBladen, Columbus, Robeson51 min
May 23, 6:54 PM EDTSpecial Weather StatementILMRobeson66 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2010Every severe thunderstorm warning in 2010

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.