Alert archive / South Carolina / Heat Advisories in 2006

Heat Advisory 5, NWS Columbia, SC

August 5, 20067 counties in South Carolina; 4 counties in Georgia

NWS Columbia, SC issued this heat advisory at Aug 5, 2006, 11:04 AM EDT for 7 counties in South Carolina; 4 counties in Georgia. It took effect at Aug 5, 2006, 1:00 PM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Aug 5, 2006, 11:04 AM EDT (15:04 UTC)
In effect from: Aug 5, 2006, 1:00 PM EDT
Expired: Aug 5, 2006, 7:00 PM EDT
In force: 6 hr
Issued by: NWS Columbia, SC

Counties Burke County, GA, Columbia County, GA, McDuffie County, GA, Richmond County, GA, Aiken County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Clarendon County, SC, Lee County, SC, Sumter County, SC

The radar

The Columbia radar (KCAE), 50 km from the middle of the area, began a volume at 15:08 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, 3.1 hours before the alert went out and 142 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: 1320 J/kg
Mixed-layer CIN: -117 J/kg
Mixed-layer LCL: 1263 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Columbia, SC wrote its last area forecast discussion before this heat advisory went out at Aug 5, 10:55 AM EDT, 9 minutes earlier.

Area forecast discussion, Aug 5, 10:55 AM EDT, 9 minutes before

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Hazardous weather outlook, Aug 5, 5:16 AM EDT, 5 hours 48 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
516 AM EDT SAT AUG 5 2006

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-060900-
AIKEN SC-BAMBERG SC-BARNWELL SC-BURKE GA-CALHOUN SC-CHESTERFIELD SC-
CLARENDON SC-COLUMBIA GA-EDGEFIELD SC-FAIRFIELD SC-KERSHAW SC-
LANCASTER SC-LEE SC-LEXINGTON SC-LINCOLN GA-MCCORMICK SC-MCDUFFIE GA-
NEWBERRY SC-ORANGEBURG SC-RICHLAND SC-RICHMOND GA-SALUDA SC-
SUMTER SC-
516 AM EDT SAT AUG 5 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MIDLANDS OF SOUTH CAROLINA
AND THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA.

.DAY ONE...TODAY AND TONIGHT
SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON....ESPECIALLY
ACROSS THE CENTRAL SAVANNAH RIVER AREA. DAMAGING DOWNBURST WINDS
AROUND 60 MPH THE PRIMARY THREAT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON.

In the hours before

Special weather statement, Aug 5, 5:20 AM EDT, 5 hours 44 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 2:55 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Edgefield	35 min
Aug 5, 3:57 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, McCormick	48 min
Aug 5, 4:31 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, McCormick	44 min
Aug 5, 6:18 PM EDT	Flash Flood Warning	CAE	Kershaw	117 min

Nearby

Heat Advisories in South Carolina, 2006 Heat Advisories in Georgia, 2006 Every heat advisory in 2006

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.