Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 48, NWS Columbia, SC

June 18, 20155 counties in South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 18, 2015, 3:30 PM EDT for 5 counties in South Carolina. It was in force for 60 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
Jun 18, 2015, 3:30 PM EDT (19:30 UTC)
Expired
Jun 18, 2015, 4:30 PM EDT
In force
60 min
Issued by
NWS Columbia, SC
Area
Storm-based polygon

Counties Calhoun County, SC, Lee County, SC, Lexington County, SC, Richland County, SC, Sumter County, SC

The radar

The Columbia radar (KCAE), 37 km from the middle of the area, began a volume at 19:31 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, 7.5 hours before the alert went out and 133 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 2015-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 112 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 2015-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.1939Sfc1 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
112 J/kg
Mixed-layer CIN
-250 J/kg
Mixed-layer LCL
1721 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 11:02 PM EDTSpecial Weather StatementCAEBamberg43 min
Jun 18, 2:07 PM EDTSevere Thunderstorm WarningCAEAiken, Barnwell, Orangeburg23 min
Jun 18, 2:28 PM EDTSpecial Weather StatementCAEKershaw47 min
Jun 18, 2:50 PM EDTSevere Thunderstorm WarningCAEChesterfield, Kershaw, Lancaster55 min
Jun 18, 2:57 PM EDTSevere Thunderstorm WarningCAEAiken, Bamberg, Barnwell, Calhoun, Clarendon, Lexington and 3 more33 min
Jun 18, 3:46 PM EDTSevere Thunderstorm WarningCAELexington, Richland44 min
Jun 18, 3:53 PM EDTSpecial Weather StatementCAECalhoun52 min
Jun 18, 4:02 PM EDTSevere Thunderstorm WarningCAECalhoun, Clarendon, Orangeburg, Sumter43 min
Jun 18, 4:03 PM EDTSevere Thunderstorm WarningCAELee27 min
Jun 18, 4:11 PM EDTSevere Thunderstorm WarningCAEClarendon, Sumter64 min
Jun 18, 4:21 PM EDTSevere Thunderstorm WarningCAECalhoun, Clarendon, Orangeburg54 min
Jun 18, 5:24 PM EDTSevere Thunderstorm WarningCAEChesterfield, Fairfield, Kershaw, Lancaster, Lee, Richland66 min
Jun 18, 7:08 PM EDTSpecial Weather StatementCAELancaster37 min
Jun 18, 2:43 PM EDTSpecial Weather StatementCAEColumbia, McDuffie, Richmond47 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2015Every severe thunderstorm warning in 2015

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.