Alert archive / South Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 501, NWS Greenville-Spartanburg, SC

August 5, 2006Laurens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 5, 2006, 5:15 PM EDT for Laurens County, South Carolina. It was in force for 75 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
Aug 5, 2006, 5:15 PM EDT (21:15 UTC)
Expired
Aug 5, 2006, 6:30 PM EDT
In force
75 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Laurens County, SC

The radar

The Greer radar (KGSP), 49 km from the middle of the area, began a volume at 21:18 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, 9.3 hours before the alert went out and 256 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 2006-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1320 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 2006-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 5, 1:51 PM EDT, 3 hours 24 minutes earlier.

Area forecast discussion, Aug 5, 1:51 PM EDT, 3 hours 24 minutes before
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Hazardous weather outlook, Aug 5, 6:30 AM EDT, 10 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
630 AM EDT SAT AUG 5 2006

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-061030-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-
IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-
CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-
TRANSYLVANIA-HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-
CABARRUS-UNION NC-CALDWELL MOUNTAINS-GREATER CALDWELL-
BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-EASTERN MCDOWELL-
RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-POLK MOUNTAINS-
EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-
LAURENS-UNION SC-CHESTER-GREENWOOD-
630 AM EDT SAT AUG 5 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND
UPSTATE SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ONCE AGAIN THIS
AFTERNOON AND EVENING. A FEW OF THE STORMS COULD PRODUCE SEVERE
WEATHER IN THE FORM OF DAMAGING WINDS...ESPECIALLY ACROSS UPSTATE
SOUTH CAROLINA...NORTHEAST GEORGIA...AND THE SOUTHWEST MOUNTAINS
OF NORTH CAROLINA. IN ADDITION...THERE WILL BE THE POTENTIAL FOR
LOCALIZED EXCESSIVE RAINFALL AND ISOLATED FLASH FLOODING...
ESPECIALLY ACROSS THE MOUNTAINS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SCATTERED...MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS
ARE EXPECTED EACH DAY THROUGH THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY.

LANE

In the hours before

Special weather statement, Aug 5, 2:46 PM EDT, 2 hours 29 minutes before
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Special weather statement, Aug 5, 2:50 PM EDT, 2 hours 25 minutes before
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Local storm report, Aug 5, 3:11 PM EDT, 2 hours 4 minutes before
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Special weather statement, Aug 5, 4:41 PM EDT, 34 minutes before
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Special weather statement, Aug 5, 4:44 PM EDT, 31 minutes before
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Special weather statement, Aug 5, 4:53 PM EDT, 22 minutes before
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The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 4, 8:49 PM EDTFlash Flood WarningGSPRowan116 min
Aug 4, 8:49 PM EDTSevere Thunderstorm WarningGSPUnion56 min
Aug 4, 10:18 PM EDTSevere Thunderstorm WarningGSPUnion27 min
Aug 5, 7:45 PM EDTSevere Thunderstorm WarningGSPMecklenburg60 min
Aug 4, 11:18 PM EDTSevere Thunderstorm WarningGSPYork57 min
Aug 5, 6:26 PM EDTSevere Thunderstorm WarningGSPGreenville64 min
Aug 4, 8:12 PM EDTSevere Thunderstorm WarningGSPStephens63 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2006Every severe thunderstorm warning 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.