Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 208, NWS Greenville-Spartanburg, SC

August 5, 2015Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 5, 2015, 9:24 PM EDT for Union County, South Carolina. It was in force for 51 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, 2015, 9:24 PM EDT (01:24 UTC)
Expired
Aug 5, 2015, 10:15 PM EDT
In force
51 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Union County, SC

The radar

The Greer radar (KGSP), 59 km from the middle of the area, began a volume at 01:27 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.4 hours before the alert went out and 220 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, Greensboro/Hi Pt, NC at 00:00Z on 2015-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 351 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, Greensboro/Hi Pt, NC at 00:00Z on 2015-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
351 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
2387 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
20 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, 8:06 PM EDT, 1 hour 18 minutes earlier.

Area forecast discussion, Aug 5, 8:06 PM EDT, 1 hour 18 minutes before
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Hazardous weather outlook, Aug 5, 3:37 PM EDT, 5 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
337 PM EDT WED AUG 5 2015

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-061945-
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-
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-CHESTER-GREENWOOD-
337 PM EDT WED AUG 5 2015

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

.DAY ONE...LATE THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE
WESTERN CAROLINAS AND NORTHEAST GEORGIA LATE THIS AFTERNOON INTO
THIS EVENING BEFORE DIMINISHING. THE PRIMARY THREAT WILL BE CLOUD
TO GROUND LIGHTNING AND LOCALLY HEAVY RAINFALL. A FEW OF THESE
THUNDERSTORMS COULD BE SEVERE...PRODUCING LARGE HAIL OR DAMAGING
WINDS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

HG

In the hours before

Special weather statement, Aug 5, 7:39 PM EDT, 1 hour 45 minutes before
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Local storm report, Aug 5, 8:01 PM EDT, 1 hour 23 minutes before
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Local storm report, Aug 5, 8:03 PM EDT, 1 hour 21 minutes before
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Local storm report, Aug 5, 8:27 PM EDT, 57 minutes before
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Special weather statement, Aug 5, 8:51 PM EDT, 33 minutes before
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Local storm report, Aug 5, 9:14 PM EDT, 10 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 1:40 PM EDTSpecial Weather StatementGSPUnion35 min
Aug 6, 1:54 PM EDTSpecial Weather StatementGSPCabarrus36 min
Aug 6, 2:25 PM EDTSpecial Weather StatementGSPUnion50 min
Aug 6, 2:29 PM EDTSevere Thunderstorm WarningGSPUnion41 min
Aug 6, 2:34 PM EDTSpecial Weather StatementGSPRowan41 min
Aug 6, 2:58 PM EDTSpecial Weather StatementGSPPolk32 min
Aug 6, 6:05 PM EDTSpecial Weather StatementGSPDavie25 min
Aug 6, 7:06 PM EDTSpecial Weather StatementGSPDavie24 min
Aug 5, 8:03 PM EDTSevere Thunderstorm WarningGSPAnderson57 min
Aug 5, 8:46 PM EDTSevere Thunderstorm WarningGSPSpartanburg59 min
Aug 5, 8:51 PM EDTSpecial Weather StatementGSPLaurens39 min
Aug 5, 8:59 PM EDTSevere Thunderstorm WarningGSPLaurens, Spartanburg50 min
Aug 5, 9:57 PM EDTSpecial Weather StatementGSPAnderson33 min
Aug 5, 10:07 PM EDTSpecial Weather StatementGSPYork53 min
Aug 5, 10:40 PM EDTSpecial Weather StatementGSPPickens35 min
Aug 5, 11:17 PM EDTSpecial Weather StatementGSPLaurens28 min
Aug 6, 12:56 PM EDTSpecial Weather StatementGSPCherokee49 min
Aug 6, 1:16 PM EDTSpecial Weather StatementGSPAbbeville29 min
Aug 6, 1:21 PM EDTSpecial Weather StatementGSPChester, Union24 min
Aug 6, 1:45 PM EDTSpecial Weather StatementGSPChester45 min
Aug 6, 1:49 PM EDTSpecial Weather StatementGSPPickens26 min
Aug 6, 2:07 PM EDTSpecial Weather StatementGSPOconee23 min
Aug 6, 2:36 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens54 min
Aug 6, 3:03 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville, Pickens57 min
Aug 6, 3:23 PM EDTSevere Thunderstorm WarningGSPGreenville, Laurens, Spartanburg66 min
Aug 6, 4:01 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg, Union, York74 min
Aug 6, 4:10 PM EDTSpecial Weather StatementGSPLaurens35 min
Aug 6, 4:20 PM EDTSevere Thunderstorm WarningGSPLaurens55 min
Aug 6, 4:29 PM EDTSevere Thunderstorm WarningGSPAnderson47 min
Aug 6, 4:34 PM EDTSevere Thunderstorm WarningGSPCherokee, Chester, Union, York71 min
Aug 6, 4:51 PM EDTSevere Thunderstorm WarningGSPOconee23 min
Aug 6, 5:07 PM EDTSpecial Weather StatementGSPGreenwood38 min
Aug 6, 5:14 PM EDTSpecial Weather StatementGSPPickens31 min
Aug 6, 5:35 PM EDTSpecial Weather StatementGSPGreenville, Pickens, Spartanburg40 min
Aug 6, 3:59 PM EDTSevere Thunderstorm WarningGSPElbert, Franklin, Hart49 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.