Alert archive / South Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 218, NWS Greenville-Spartanburg, SC

August 6, 2015Oconee County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 6, 2015, 4:51 PM EDT for Oconee County, South Carolina. It was in force for 23 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 6, 2015, 4:51 PM EDT (20:51 UTC)
Expired
Aug 6, 2015, 5:14 PM EDT
In force
23 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Oconee County, SC

The radar

The Greer radar (KGSP), 79 km from the middle of the area, began a volume at 20:52 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 6, 3:20 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.9 hours before the alert went out and 203 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, Peachtre/Fal Fld, GA at 12:00Z on 2015-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 305 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, Peachtre/Fal Fld, GA at 12:00Z on 2015-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
305 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
761 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

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 6, 4:36 PM EDT, 15 minutes earlier.

Area forecast discussion, Aug 6, 4:36 PM EDT, 15 minutes before
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Hazardous weather outlook, Aug 6, 3:45 PM EDT, 1 hour 6 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
345 PM EDT THU AUG 6 2015

NCZ033-035>037-048>053-056>059-062>065-068>072-082-501>510-SCZ009-
014-071945-
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-
YORK-CHESTER-
345 PM EDT THU AUG 6 2015

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS WILL REMAIN POSSIBLE THROUGH THE EVENING
ACROSS WESTERN NORTH CAROLINA AND THE EASTERN SOUTH CAROLINA
PIEDMONT. WHILE THE MAIN THREATS WILL BE FROM CLOUD TO GROUND
LIGHTNING AND LOCALLY HEAVY RAINFALL...AN ISOLATED SEVERE
THUNDERSTORM CAPABLE OF PRODUCING LOCALLY DAMAGING WINDS...AND
PERHAPS BRIEF LARGE HAIL ARE ALSO POSSIBLE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

..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.
..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ010-017-018-026-028-029-SCZ001>008-010>013-019-071945-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-ANDERSON-
ABBEVILLE-LAURENS-UNION-GREENWOOD-
345 PM EDT THU AUG 6 2015

...SEVERE THUNDERSTORM WATCH 475 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

..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.
..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

LANE

In the hours before

Local storm report, Aug 6, 3:49 PM EDT, 1 hour 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
349 PM EDT THU AUG 06 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0338 PM     TSTM WND DMG     3 NNE GREER             34.98N 82.22W
08/06/2015                   GREENVILLE         SC   DEPT OF HIGHWAYS

            SCHP REPORTS TREE DOWN AT GAP CREEK RD AND COUNTRY CLUB
            RD.

&&

VISIN
Local storm report, Aug 6, 3:53 PM EDT, 58 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
353 PM EDT THU AUG 06 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0338 PM     TSTM WND DMG     1 NW LYMAN              34.96N 82.14W
08/06/2015                   SPARTANBURG        SC   DEPT OF HIGHWAYS

            SCHP REPORTS TREE DOWN AT JORDAN RD AND SLOAN RD

&&

VISIN
Local storm report, Aug 6, 3:58 PM EDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
358 PM EDT THU AUG 06 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0337 PM     TSTM WND DMG     3 WNW MAULDIN           34.80N 82.35W
08/06/2015                   GREENVILLE         SC   DEPT OF HIGHWAYS

            SCHP REPORTS TREE DOWN AT DUVAL RD AND I385

&&

VISIN
Special weather statement, Aug 6, 4:10 PM EDT, 41 minutes before
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Local storm report, Aug 6, 4:39 PM EDT, 12 minutes before
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Local storm report, Aug 6, 4:45 PM EDT, 6 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, 9:24 PM EDTSevere Thunderstorm WarningGSPUnion51 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, 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.