Alert archive / South Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 149, NWS Greenville-Spartanburg, SC

June 26, 2013Chester County, Union County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 26, 2013, 5:21 PM EDT for Chester County, Union County, South Carolina. It was in force for 39 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 26, 2013, 5:21 PM EDT (21:21 UTC)
Expired
Jun 26, 2013, 6:00 PM EDT
In force
39 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Chester County, SC, Union County, SC

The radar

The Greer radar (KGSP), 79 km from the middle of the area, began a volume at 21:23 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 12:00Z, 9.4 hours before the alert went out and 205 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 12:00Z on 2013-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 653 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, Greensboro/Hi Pt, NC at 12:00Z on 2013-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
653 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
918 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
8 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 Jun 26, 5:05 PM EDT, 16 minutes earlier.

Area forecast discussion, Jun 26, 5:05 PM EDT, 16 minutes before
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Hazardous weather outlook, Jun 26, 3:19 PM EDT, 2 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
319 PM EDT WED JUN 26 2013

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-271930-
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-
319 PM EDT WED JUN 26 2013

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 THUNDERSTORMS WILL CONTINUE INTO THE LATE AFTERNOON
HOURS. THE STORMS WILL MOVE SLOWLY AND PRODUCE LOCALLY HEAVY
RAINFALL ALONG WITH CLOUD TO GROUND LIGHTNING. A FEW OF THE STORMS
MAY BECOME SEVERE AND PRODUCE LARGE HAIL AND DAMAGING WIND GUSTS.

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

A WEAK FRONTS PASSING THROUGH THE AREA BOTH THURSDAY AND AGAIN ON
FRIDAY WILL TRIGGER TO SCATTERED TO NUMEROUS AFTERNOON THUNDERSTORMS...A
FEW OF WHICH ARE LIKELY TO PRODUCE LARGE HAIL AND DAMAGING WINDS.
OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED.

.SPOTTER INFORMATION STATEMENT...

NONE.

LG

In the hours before

Special weather statement, Jun 26, 4:57 PM EDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
457 PM EDT WED JUN 26 2013

NCZ036-056-068>071-SCZ008-262145-
CATAWBA-CHEROKEE-CLEVELAND-GASTON-IREDELL-LINCOLN-MECKLENBURG-
457 PM EDT WED JUN 26 2013

...STRONG THUNDERSTORMS WILL AFFECT GASTON...LINCOLN...NORTHEASTERN
CHEROKEE...NORTHWESTERN MECKLENBURG...SOUTHEASTERN CATAWBA...
SOUTHEASTERN CLEVELAND AND SOUTHEASTERN IREDELL COUNTIES THROUGH 545
PM EDT...

AT 453 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES EAST OF
MAIDEN TO 3 MILES EAST OF GROVER...MOVING EAST AT 25 MPH.

THESE STORMS WILL IMPACT LOCATIONS NEAR...
  IRON STATION...
  CROWDERS MOUNTAIN STATE PARK...
  DENVER...
  STANLEY...
  LAKE NORMAN...
  MOUNT HOLLY...

SMALL HAIL...WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAIN ARE EXPECTED
WITH THESE STORMS.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
SPECIFIC LOCATION WHERE IT OCCURRED.

LAT...LON 3550 8076 3550 8079 3547 8078 3508 8105
      3511 8104 3515 8106 3517 8136 3512 8140
      3517 8155 3557 8126 3556 8105 3559 8101
      3552 8074
Local storm report, Jun 26, 5:01 PM EDT, 20 minutes before
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Local storm report, Jun 26, 5:08 PM EDT, 13 minutes before
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Local storm report, Jun 26, 5:13 PM EDT, 8 minutes before
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Local storm report, Jun 26, 5:15 PM EDT, 6 minutes before
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Special weather statement, Jun 26, 5:15 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
Jun 26, 2:06 PM EDTSpecial Weather StatementGSPPolk39 min
Jun 26, 2:13 PM EDTSpecial Weather StatementGSPAvery47 min
Jun 26, 2:38 PM EDTSevere Thunderstorm WarningGSPAlexander, Caldwell67 min
Jun 26, 2:49 PM EDTAreal Flood AdvisoryGSPMitchell2 hr
Jun 26, 2:54 PM EDTSpecial Weather StatementGSPRutherford51 min
Jun 26, 3:02 PM EDTSpecial Weather StatementGSPBurke43 min
Jun 26, 3:04 PM EDTAreal Flood AdvisoryGSPCaldwell116 min
Jun 26, 3:06 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell, Rutherford39 min
Jun 26, 3:08 PM EDTSpecial Weather StatementGSPRutherford52 min
Jun 26, 3:27 PM EDTSevere Thunderstorm WarningGSPBurke, Cleveland, Rutherford48 min
Jun 26, 3:38 PM EDTSpecial Weather StatementGSPMacon52 min
Jun 26, 3:46 PM EDTSpecial Weather StatementGSPCaldwell44 min
Jun 26, 3:53 PM EDTSevere Thunderstorm WarningGSPJackson, Macon, Transylvania52 min
Jun 26, 3:57 PM EDTSevere Thunderstorm WarningGSPAlexander, Caldwell, Catawba48 min
Jun 26, 3:59 PM EDTSpecial Weather StatementGSPCatawba46 min
Jun 26, 4:10 PM EDTSpecial Weather StatementGSPDavie65 min
Jun 26, 4:31 PM EDTSevere Thunderstorm WarningGSPAlexander, Catawba, Davie, Iredell59 min
Jun 26, 4:43 PM EDTAreal Flood AdvisoryGSPAlexander, Catawba, Iredell107 min
Jun 26, 4:43 PM EDTSevere Thunderstorm WarningGSPTransylvania47 min
Jun 26, 4:49 PM EDTSpecial Weather StatementGSPHenderson41 min
Jun 26, 4:57 PM EDTSpecial Weather StatementGSPGaston, Lincoln48 min
Jun 26, 5:03 PM EDTSevere Thunderstorm WarningGSPDavie, Iredell, Rowan57 min
Jun 26, 5:07 PM EDTAreal Flood AdvisoryGSPCatawba, Davie, Iredell, Rowan113 min
Jun 26, 5:30 PM EDTSpecial Weather StatementGSPRowan60 min
Jun 26, 5:41 PM EDTSpecial Weather StatementGSPCabarrus, Mecklenburg79 min
Jun 26, 5:56 PM EDTSpecial Weather StatementGSPRowan64 min
Jun 26, 6:07 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg38 min
Jun 26, 6:51 PM EDTSpecial Weather StatementGSPUnion54 min
Jun 26, 7:45 PM EDTSpecial Weather StatementGSPUnion60 min
Jun 25, 8:38 PM EDTSpecial Weather StatementGSPGreenwood52 min
Jun 26, 12:51 PM EDTSpecial Weather StatementGSPOconee39 min
Jun 26, 1:20 PM EDTSpecial Weather StatementGSPAnderson55 min
Jun 26, 1:23 PM EDTSpecial Weather StatementGSPGreenville52 min
Jun 26, 3:33 PM EDTSpecial Weather StatementGSPAnderson42 min
Jun 26, 4:41 PM EDTSpecial Weather StatementGSPGreenwood49 min
Jun 26, 4:55 PM EDTSevere Thunderstorm WarningGSPOconee50 min
Jun 26, 5:15 PM EDTSpecial Weather StatementGSPGreenville45 min
Jun 26, 5:45 PM EDTSpecial Weather StatementGSPOconee45 min
Jun 26, 6:00 PM EDTSpecial Weather StatementGSPChester75 min
Jun 26, 6:25 PM EDTSevere Thunderstorm WarningGSPChester50 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2013Every severe thunderstorm warning in 2013

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.