Alert archive / South Carolina / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 366, NWS Greenville-Spartanburg, SC

July 31, 2008Greenville County, Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 31, 2008, 3:08 PM EDT for Greenville County, Spartanburg 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
Jul 31, 2008, 3:08 PM EDT (19:08 UTC)
Expired
Jul 31, 2008, 3:59 PM EDT
In force
51 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Greenville County, SC, Spartanburg County, SC

The radar

The Greer radar (KGSP), 5 km from the middle of the area, began a volume at 19:11 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
Jul 31, 1:53 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.1 hours before the alert went out and 274 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 2008-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1603 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 2008-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -48 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
1603 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
559 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-48 m²/s²
0-3 km storm-relative helicity
-14 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 Jul 31, 2:37 PM EDT, 31 minutes earlier.

Area forecast discussion, Jul 31, 2:37 PM EDT, 31 minutes before
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Hazardous weather outlook, Jul 31, 6:01 AM EDT, 9 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
601 AM EDT THU JUL 31 2008

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-011015-
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-
601 AM EDT THU JUL 31 2008

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

.DAY ONE...TODAY AND TONIGHT.

A COLD FRONT WILL MOVE INTO THE AREA TODAY AND PRODUCE SCATTERED
TO NUMEROUS RAIN SHOWERS AND THUNDERSTORMS. THE ENVIRONMENT AHEAD
OF THIS FRONT WILL BE HIGHLY UNSTABLE AND SEVERAL THUNDERSTORMS
ARE EXPECTED TO REACH SEVERE LEVELS. STRONG DAMAGING WINDS...LARGE
HAIL AND HEAVY DOWNPOURS WILL ACCOMPANY THESE STRONGER
THUNDERSTORMS.

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

A HEAT ADVISORY MAY BE NEEDED IN PORTIONS OF THE FOOTHILLS AND
PIEDMONT MONDAY THROUGH WEDNESDAY FOR HOT TEMPERATURES COMBINED
WITH HUMIDITY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

KRENTZ

In the hours before

Special weather statement, Jul 31, 1:10 PM EDT, 1 hour 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
110 PM EDT THU JUL 31 2008

NCZ053-065-311815-
BUNCOMBE-HENDERSON-
110 PM EDT THU JUL 31 2008

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN HENDERSON AND
SOUTHEASTERN BUNCOMBE COUNTIES THROUGH 215 PM EDT...

AT 106 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR FAIRVIEW...OR 9 MILES EAST OF ASHEVILLE...
MOVING EAST AT 25 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO FAIRVIEW...
  SWANNANOA...BLACK MOUNTAIN AND BAT CAVE.

WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.

07
Special weather statement, Jul 31, 1:18 PM EDT, 1 hour 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
118 PM EDT THU JUL 31 2008

NCZ501>506-311815-
BURKE MOUNTAINS-CALDWELL MOUNTAINS-EASTERN MCDOWELL-GREATER
BURKE-GREATER CALDWELL-MCDOWELL MOUNTAINS-
118 PM EDT THU JUL 31 2008

...STRONG THUNDERSTORMS WILL AFFECT BURKE...CALDWELL AND NORTHERN
MCDOWELL COUNTIES THROUGH 215 PM EDT...

AT 112 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES NORTHWEST OF
COLLETTSVILLE TO OLD FORT...MOVING EAST AT 24 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO RUTHERFORD
  COLLEGE...LAKE RHODHISS...LAKE JAMES...NEBO...PATTERSON...KINGS
  CREEK...VALDESE...TABLE ROCK...SAWMILLS...RHODHISS...PLEASANT
  GROVE...MORGANTON...MARION...LENOIR...ICARD...HUDSON...GRANITE
  FALLS...GLEN ALPINE...GAMEWELL...DREXEL...CONNELLY SPRINGS...
  COLLETTSVILLE AND CAJAHS MOUNTAIN.

WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THESE STORMS.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

07
Special weather statement, Jul 31, 1:44 PM EDT, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
144 PM EDT THU JUL 31 2008

NCZ056-069-504-311845-
CATAWBA-GREATER BURKE-LINCOLN-
144 PM EDT THU JUL 31 2008

...A STRONG THUNDERSTORM WILL AFFECT CATAWBA...EASTERN BURKE AND
NORTHEASTERN LINCOLN COUNTIES THROUGH 245 PM EDT...

AT 139 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES SOUTH OF LONGVIEW...OR 7 MILES SOUTHWEST
OF HICKORY...MOVING EAST AT 20 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO TERRELL...
  NEWTON...MAIDEN...LONGVIEW...HILDEBRAN...HICKORY...DENVER...
  COOKSVILLE...CONOVER...CLAREMONT AND CATAWBA.

WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.

07
Special weather statement, Jul 31, 1:47 PM EDT, 1 hour 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
147 PM EDT THU JUL 31 2008

NCZ036-037-057-311845-
DAVIE-IREDELL-ROWAN-
147 PM EDT THU JUL 31 2008

...A STRONG THUNDERSTORM WILL AFFECT DAVIE...NORTHERN IREDELL AND
NORTHWESTERN ROWAN COUNTIES THROUGH 245 PM EDT...

AT 144 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 9 MILES WEST OF HARMONY...OR 12 MILES NORTH OF
STATESVILLE...MOVING EAST AT 18 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO BERMUDA
  RUN...WOODLEAF...UNION GROVE...TURNERSBURG...SHEFFIELD...
  MOCKSVILLE...LOVE VALLEY...HARMONY...FORK CHURCH...FARMINGTON...
  COOLEEMEE AND ADVANCE.

WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

07
Special weather statement, Jul 31, 1:58 PM EDT, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
158 PM EDT THU JUL 31 2008

NCZ065-506>510-311900-
EASTERN MCDOWELL-EASTERN POLK-GREATER RUTHERFORD-HENDERSON-POLK
MOUNTAINS-RUTHERFORD MOUNTAINS-
158 PM EDT THU JUL 31 2008

...STRONG THUNDERSTORMS WILL AFFECT EASTERN HENDERSON...POLK...
RUTHERFORD AND SOUTHEASTERN MCDOWELL COUNTIES THROUGH 300 PM EDT...

AT 157 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM THERMAL CITY TO 7
MILES EAST OF FLAT ROCK...MOVING EAST AT 28 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO BOSTIC...
  THERMAL CITY...SUNSHINE...SPINDALE...SALUDA...RUTHERFORDTON...MILL
  SPRING...LAKE LURE...LAKE ADGER...HARRIS...FOREST CITY...FLAT
  ROCK...FERO...ELLENBORO...EAST FLAT ROCK...DANA...COLUMBUS...
  CLIFFSIDE AND ALEXANDER MILLS.

WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THESE STORMS.

07
Local storm report, Jul 31, 2:54 PM EDT, 14 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 2:21 PM EDTSevere Thunderstorm WarningGSPDavie, Iredell, Rowan54 min
Jul 31, 2:22 PM EDTSevere Thunderstorm WarningGSPCleveland, Polk, Rutherford53 min
Jul 31, 2:28 PM EDTAreal Flood AdvisoryGSPDavie, Iredell2 hr
Jul 31, 2:30 PM EDTSevere Thunderstorm WarningGSPBurke, Catawba, Cleveland, Gaston, Lincoln60 min
Jul 31, 2:31 PM EDTSevere Thunderstorm WarningGSPCabarrus, Catawba, Iredell, Lincoln, Mecklenburg, Rowan59 min
Jul 31, 4:04 PM EDTSevere Thunderstorm WarningGSPCabarrus, Mecklenburg, Union25 min
Jul 31, 4:15 PM EDTSevere Thunderstorm WarningGSPChester30 min
Jul 31, 4:27 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville, Pickens63 min
Jul 31, 4:45 PM EDTSevere Thunderstorm WarningGSPLaurens, Spartanburg60 min
Jul 31, 5:38 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson, Greenville, Greenwood, Laurens67 min
Jul 31, 5:53 PM EDTSevere Thunderstorm WarningGSPLaurens67 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2008Every severe thunderstorm warning in 2008

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.