Alert archive / South Carolina / Areal Flood Advisories in 2013

Areal Flood Advisory 21, NWS Columbia, SC

June 10, 2013Aiken County, Lexington County, South Carolina

NWS Columbia, SC issued this areal flood advisory at Jun 10, 2013, 1:58 PM EDT for Aiken County, Lexington County, South Carolina. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jun 10, 2013, 1:58 PM EDT (17:58 UTC)
Expired
Jun 10, 2013, 4:00 PM EDT
In force
2 hr
Issued by
NWS Columbia, SC
Area
Storm-based polygon

Counties Aiken County, SC, Lexington County, SC

The radar

The Columbia radar (KCAE), 40 km from the middle of the area, began a volume at 18:00 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

Charleston AFB, SC (KCHS), launched 12:00Z, 6.0 hours before the alert went out and 163 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 2013-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1882 joules per kilogram.LCLEL10008507005003002001001 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 2013-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
1882 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.2

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 12:14 PM EDTAreal Flood AdvisoryCAEAiken61 min
Jun 10, 1:36 PM EDTSpecial Weather StatementCAEAiken, Calhoun, Lexington, Richland54 min
Jun 10, 1:46 PM EDTSevere Thunderstorm WarningCAECalhoun, Lexington, Richland44 min
Jun 10, 2:49 PM EDTSpecial Weather StatementCAECalhoun41 min
Jun 10, 2:53 PM EDTSevere Thunderstorm WarningCAEBamberg, Barnwell, Calhoun, Clarendon, Lee, Orangeburg and 2 more52 min
Jun 10, 2:56 PM EDTAreal Flood AdvisoryCAEAiken, Bamberg, Barnwell, Calhoun, Clarendon, Kershaw and 5 more2 hr
Jun 10, 3:21 PM EDTSevere Thunderstorm WarningCAELee, Sumter39 min
Jun 10, 3:53 PM EDTSpecial Weather StatementCAEFairfield52 min
Jun 10, 4:11 PM EDTSevere Thunderstorm WarningCAEClarendon, Orangeburg64 min
Jun 10, 5:50 PM EDTSpecial Weather StatementCAEAiken, Calhoun, Lexington, Richland55 min
Jun 10, 6:00 PM EDTAreal Flood AdvisoryCAELexington, Richland2 hr
Jun 10, 7:17 PM EDTSpecial Weather StatementCAELee43 min
Jun 10, 7:19 PM EDTSevere Thunderstorm WarningCAELee, Sumter41 min
Jun 10, 12:52 PM EDTAreal Flood AdvisoryCAERichmond53 min

Nearby

Areal Flood Advisories in South Carolina, 2013Every areal flood advisory 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.