Alert archive / South Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 121, NWS Greenville-Spartanburg, SC

June 11, 2014Greenville County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 11, 2014, 9:42 PM EDT for Greenville County, South Carolina. It was in force for 63 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
Jun 11, 2014, 9:42 PM EDT (01:42 UTC)
Expired
Jun 11, 2014, 10:45 PM EDT
In force
63 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Greenville County, SC

The radar

The Greer radar (KGSP), 14 km from the middle of the area, began a volume at 01:44 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.7 hours before the alert went out and 259 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 00:00Z on 2014-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 454 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 00:00Z on 2014-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.19395878Sfc1 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
454 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
969 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

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 Jun 11, 7:48 PM EDT, 1 hour 54 minutes earlier.

Area forecast discussion, Jun 11, 7:48 PM EDT, 1 hour 54 minutes before
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Hazardous weather outlook, Jun 11, 3:36 PM EDT, 6 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
336 PM EDT WED JUN 11 2014

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-121945-
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-
336 PM EDT WED JUN 11 2014

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE TO DEVELOP
ACROSS THE REGION THROUGH THE EVENING HOURS. A FEW OF THE STORMS
WILL HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS AND OR HAIL.

.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...

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

ARK

In the hours before

Local storm report, Jun 11, 8:04 PM EDT, 1 hour 38 minutes before
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Local storm report, Jun 11, 8:06 PM EDT, 1 hour 36 minutes before
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Special weather statement, Jun 11, 8:45 PM EDT, 57 minutes before
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Local storm report, Jun 11, 8:47 PM EDT, 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
847 PM EDT WED JUN 11 2014

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

0832 PM     HAIL             2 SE REED CREEK         34.42N 82.89W
06/11/2014  E0.50 INCH       HART               GA   PUBLIC

            UP TO 0.5 INCH HAIL REPORTED SE OF REED CREEK.

&&

JPT
Local storm report, Jun 11, 9:01 PM EDT, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
901 PM EDT WED JUN 11 2014

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

0854 PM     HAIL             2 SSE SIX MILE          34.78N 82.81W
06/11/2014  E0.75 INCH       PICKENS            SC   TRAINED SPOTTER

            DIME SIZED HAIL SSE OF SIX MILE, SC.

&&

JPT
Local storm report, Jun 11, 9:42 PM EDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
942 PM EDT WED JUN 11 2014

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

0906 PM     TSTM WND DMG     LIBERTY                 34.79N 82.70W
06/11/2014                   PICKENS            SC   COUNTY OFFICIAL

            3 TREES DOWN OFF ROBINSON RIDGE RD AND PEA RIDGE ROAD IN
            LIBERTY.

&&

JPT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 8:08 PM EDTAreal Flood AdvisoryGSPUnion112 min
Jun 12, 2:12 PM EDTSpecial Weather StatementGSPCleveland48 min
Jun 12, 2:57 PM EDTSpecial Weather StatementGSPLincoln48 min
Jun 12, 3:08 PM EDTSpecial Weather StatementGSPGaston67 min
Jun 12, 3:32 PM EDTSpecial Weather StatementGSPGaston73 min
Jun 12, 3:52 PM EDTSpecial Weather StatementGSPGaston, Mecklenburg53 min
Jun 12, 4:26 PM EDTSpecial Weather StatementGSPCaldwell49 min
Jun 12, 4:43 PM EDTSpecial Weather StatementGSPMcDowell62 min
Jun 12, 4:52 PM EDTSpecial Weather StatementGSPCabarrus, Mecklenburg, Union68 min
Jun 12, 5:52 PM EDTSpecial Weather StatementGSPUnion53 min
Jun 12, 6:13 PM EDTSpecial Weather StatementGSPRutherford47 min
Jun 12, 7:25 PM EDTSpecial Weather StatementGSPCleveland50 min
Jun 11, 8:45 PM EDTSpecial Weather StatementGSPPickens45 min
Jun 11, 9:06 PM EDTSevere Thunderstorm WarningGSPAnderson, Pickens54 min
Jun 12, 5:16 PM EDTSpecial Weather StatementGSPLaurens59 min
Jun 12, 6:53 PM EDTSpecial Weather StatementGSPSpartanburg52 min
Jun 12, 6:54 PM EDTSpecial Weather StatementGSPGreenville51 min
Jun 12, 7:35 PM EDTSpecial Weather StatementGSPGreenville40 min
Jun 12, 7:49 PM EDTAreal Flood AdvisoryGSPGreenville, Spartanburg2 hr
Jun 11, 8:40 PM EDTAreal Flood AdvisoryGSPHart110 min
Jun 11, 10:43 PM EDTFlash Flood WarningGSPHart3 hr
Jun 12, 1:34 AM EDTAreal Flood WarningGSPHart5 hr
Jun 12, 6:55 PM EDTSpecial Weather StatementGSPHabersham65 min
Jun 12, 7:23 PM EDTAreal Flood AdvisoryGSPHabersham, Rabun2 hr

Nearby

Severe Thunderstorm Warnings in South Carolina, 2014Every severe thunderstorm warning in 2014

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.