Alert archive / South Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 352, NWS Greenville-Spartanburg, SC

August 5, 2010Transylvania County, North Carolina; Greenville County, Pickens County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 5, 2010, 1:20 PM EDT for Transylvania County, North Carolina; Greenville County, Pickens County, South Carolina. It was in force for 55 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, 2010, 1:20 PM EDT (17:20 UTC)
Expired
Aug 5, 2010, 2:15 PM EDT
In force
55 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Transylvania County, NC, Greenville County, SC, Pickens County, SC

The radar

The Greer radar (KGSP), 40 km from the middle of the area, began a volume at 17:20 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 12:00Z, 5.3 hours before the alert went out and 249 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 2010-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1211 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 2010-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
1211 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
976 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
-16 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, 9:59 AM EDT, 3 hours 21 minutes earlier.

Area forecast discussion, Aug 5, 9:59 AM EDT, 3 hours 21 minutes before
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Hazardous weather outlook, Aug 5, 10:23 AM EDT, 2 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1023 AM EDT THU AUG 5 2010

GAZ018-026-028-029-NCZ035>037-056-057-068>072-082-SCZ004>014-019-
061430-
STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
1023 AM EDT THU AUG 5 2010

...HEAT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

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

.DAY ONE...TODAY AND TONIGHT.

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

   HEAT ADVISORY.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL DEVELOP ACROSS THE REGION
TODAY THROUGH THIS EVENING. ANY OF THESE THUNDERSTORMS WILL
PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING...BRIEF HEAVY
RAINFALL...AND GUSTY WINDS. SEVERAL THUNDERSTORMS MAY ALSO PRODUCE
DAMAGING WIND GUSTS AND LARGE HAIL...ESPECIALLY THIS AFTERNOON.
THUNDERSTORMS THAT REPEATEDLY AFFECT A GIVEN LOCATION MAY ALSO
PRODUCE LOCALIZED FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH 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...OR FLASH FLOODING TO OUR OFFICE.

GAZ010-017-NCZ033-048>053-058-059-062>065-501>510-SCZ001>003-061430-
RABUN-HABERSHAM-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-
GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-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-
1023 AM EDT THU AUG 5 2010

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL DEVELOP ACROSS THE REGION
TODAY THROUGH THIS EVENING. ANY OF THESE THUNDERSTORMS WILL
PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING...BRIEF HEAVY
RAINFALL...AND GUSTY WINDS. SEVERAL THUNDERSTORMS MAY ALSO PRODUCE
DAMAGING WIND GUSTS AND LARGE HAIL...ESPECIALLY THIS AFTERNOON.
THUNDERSTORMS THAT REPEATEDLY AFFECT A GIVEN LOCATION MAY ALSO
PRODUCE LOCALIZED FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH 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...OR FLASH FLOODING TO OUR OFFICE.

In the hours before

Special weather statement, Aug 5, 12:23 PM EDT, 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1223 PM EDT THU AUG 5 2010

NCZ064-SCZ001-002-051700-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-TRANSYLVANIA-
1223 PM EDT THU AUG 5 2010

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN OCONEE...
NORTHWESTERN PICKENS AND SOUTHWESTERN TRANSYLVANIA COUNTIES THROUGH
100 PM EDT...

AT 1216 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES WEST OF LAKE JOCASSEE...OR 17 MILES NORTH
OF WALHALLA...MOVING EAST AT 5 MPH.

THIS STORM WILL BE NEAR...
  LAKE JOCASSEE...

HEAVY RAIN...FREQUENT LIGHTNING AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED
WITH THIS STORM.

LAT...LON 3501 8307 3502 8301 3503 8303 3505 8305
      3507 8305 3507 8304 3507 8280 3491 8280
      3494 8309

RB
Special weather statement, Aug 5, 12:52 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1252 PM EDT THU AUG 5 2010

NCZ064-065-051730-
HENDERSON-TRANSYLVANIA-
1252 PM EDT THU AUG 5 2010

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN TRANSYLVANIA AND
SOUTHERN HENDERSON COUNTIES THROUGH 130 PM EDT...

AT 1247 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF ETOWAH...OR 6 MILES NORTHEAST OF
BREVARD...MOVING EAST AT 5 MPH.

THIS STORM WILL BE NEAR...
  ETOWAH...

HEAVY RAIN...FREQUENT LIGHTNING AND WIND GUSTS OF 30 TO 40 MPH ARE
EXPECTED WITH THIS STORM.

LAT...LON 3537 8237 3517 8244 3517 8247 3516 8251
      3525 8276 3541 8272

RB
Special weather statement, Aug 5, 1:14 PM EDT, 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
114 PM EDT THU AUG 5 2010

SCZ012-051800-
LAURENS-
114 PM EDT THU AUG 5 2010

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN LAURENS COUNTY THROUGH
200 PM EDT...

AT 109 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES SOUTHEAST OF GRAY COURT...OR 6 MILES
NORTH OF LAURENS...MOVING EAST AT 20 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO ORA...
  LAURENS...JOANNA AND CLINTON.

SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3451 8216 3466 8206 3467 8200 3465 8197
      3465 8195 3461 8192 3457 8184 3456 8174
      3438 8181

KRENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 2:44 AM EDTHeat AdvisoryGSPAlexander, Cabarrus, Catawba, Cleveland, Davie, Gaston and 5 more15 hr
Aug 5, 12:52 PM EDTSpecial Weather StatementGSPHenderson38 min
Aug 5, 1:33 PM EDTSevere Thunderstorm WarningGSPCaldwell57 min
Aug 5, 1:39 PM EDTSevere Thunderstorm WarningGSPCleveland, Henderson, Polk, Rutherford66 min
Aug 5, 1:50 PM EDTSpecial Weather StatementGSPBuncombe25 min
Aug 5, 2:04 PM EDTSevere Thunderstorm WarningGSPBuncombe, Henderson, McDowell56 min
Aug 5, 2:27 PM EDTSevere Thunderstorm WarningGSPAlexander, Caldwell63 min
Aug 5, 2:45 PM EDTSevere Thunderstorm WarningGSPMcDowell34 min
Aug 5, 2:51 PM EDTSevere Thunderstorm WarningGSPAlexander, Iredell54 min
Aug 5, 3:01 PM EDTSpecial Weather StatementGSPJackson, Macon44 min
Aug 5, 3:16 PM EDTSevere Thunderstorm WarningGSPAlexander, Burke, Caldwell, Catawba59 min
Aug 5, 3:27 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell47 min
Aug 5, 3:31 PM EDTSevere Thunderstorm WarningGSPAvery, McDowell, Mitchell, Yancey49 min
Aug 5, 3:37 PM EDTSevere Thunderstorm WarningGSPAlexander, Catawba, Iredell53 min
Aug 5, 3:42 PM EDTAreal Flood AdvisoryGSPAlexander, Avery, Burke, Caldwell, Catawba, Iredell and 3 more3 hr
Aug 5, 4:01 PM EDTSevere Thunderstorm WarningGSPDavie, Iredell, Rowan59 min
Aug 5, 4:06 PM EDTSevere Thunderstorm WarningGSPCatawba, Iredell54 min
Aug 5, 4:09 PM EDTSpecial Weather StatementGSPHaywood51 min
Aug 5, 4:17 PM EDTSevere Thunderstorm WarningGSPBuncombe, Haywood, Madison58 min
Aug 5, 4:18 PM EDTSpecial Weather StatementGSPAvery42 min
Aug 5, 4:27 PM EDTSevere Thunderstorm WarningGSPCabarrus, Iredell, Mecklenburg, Rowan63 min
Aug 5, 4:29 PM EDTSevere Thunderstorm WarningGSPHaywood, Madison47 min
Aug 5, 4:30 PM EDTSevere Thunderstorm WarningGSPCatawba, Lincoln42 min
Aug 5, 4:47 PM EDTSevere Thunderstorm WarningGSPMitchell, Yancey40 min
Aug 5, 4:49 PM EDTSevere Thunderstorm WarningGSPGraham, Swain25 min
Aug 5, 5:00 PM EDTSevere Thunderstorm WarningGSPCabarrus, Gaston, Lincoln, Mecklenburg, Rowan60 min
Aug 5, 5:11 PM EDTSevere Thunderstorm WarningGSPAvery, Burke, Caldwell, McDowell, Mitchell, Yancey50 min
Aug 5, 5:19 PM EDTSpecial Weather StatementGSPHaywood26 min
Aug 5, 5:27 PM EDTSevere Thunderstorm WarningGSPRowan33 min
Aug 5, 5:34 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg, Union56 min
Aug 5, 5:34 PM EDTSevere Thunderstorm WarningGSPBuncombe, Henderson, Rutherford30 min
Aug 5, 6:09 PM EDTSpecial Weather StatementGSPMcDowell36 min
Aug 5, 6:14 PM EDTSevere Thunderstorm WarningGSPCleveland, Rutherford61 min
Aug 5, 6:17 PM EDTSevere Thunderstorm WarningGSPBurke, Cleveland, McDowell, Rutherford35 min
Aug 5, 6:29 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg, Union61 min
Aug 5, 6:41 PM EDTSevere Thunderstorm WarningGSPCleveland, Lincoln, Rutherford43 min
Aug 5, 7:04 PM EDTSevere Thunderstorm WarningGSPCleveland, Gaston, Lincoln46 min
Aug 5, 7:28 PM EDTSevere Thunderstorm WarningGSPUnion77 min
Aug 5, 12:23 PM EDTSpecial Weather StatementGSPPickens37 min
Aug 5, 1:14 PM EDTSpecial Weather StatementGSPLaurens46 min
Aug 5, 5:18 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg57 min
Aug 5, 6:53 PM EDTSevere Thunderstorm WarningGSPOconee67 min
Aug 5, 7:10 PM EDTSevere Thunderstorm WarningGSPYork65 min
Aug 5, 7:36 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson, Greenville, Greenwood31 min
Aug 5, 1:55 PM EDTSpecial Weather StatementGSPRabun50 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2010Severe Thunderstorm Warnings in North Carolina, 2010Every severe thunderstorm warning in 2010

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.