Alert archive / North Carolina / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 372, NWS Greenville-Spartanburg, SC

August 23, 2007Cherokee County, South Carolina; Cleveland County, Rutherford County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 23, 2007, 6:57 PM EDT for Cherokee County, South Carolina; Cleveland County, Rutherford County, North Carolina. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 23, 2007, 6:57 PM EDT (22:57 UTC)
Expired
Aug 23, 2007, 7:40 PM EDT
In force
43 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

Counties Cleveland County, NC, Rutherford County, NC, Cherokee County, SC

The radar

The Greer radar (KGSP), 47 km from the middle of the area, began a volume at 23:00 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.0 hours before the alert went out and 201 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 2007-08-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1564 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 2007-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
1564 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
581 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KGSP 232257
SVRGSP
NCC045-161-SCC021-240000-
/O.NEW.KGSP.SV.W.0372.070823T2257Z-070824T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
657 PM EDT THU AUG 23 2007

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN CLEVELAND COUNTY IN THE PIEDMONT OF NORTH CAROLINA
  WESTERN CHEROKEE COUNTY IN UPSTATE SOUTH CAROLINA
  SOUTHEASTERN RUTHERFORD COUNTY IN WESTERN NORTH CAROLINA

* UNTIL 800 PM EDT

* AT 652 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 10
  MILES NORTHWEST OF GAFFNEY...OR ABOUT 3 MILES SOUTHEAST OF
  CLIFFSIDE...AND WAS MOVING SOUTH AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  8 MILES WEST OF GAFFNEY BY 740 PM EDT...
  THICKETTY BY 800 PM EDT...

PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR
LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY
RAIN CAN OCCUR WITH ANY THUNDERSTORM. SEEK SHELTER INDOORS AWAY FROM
WINDOWS AND DOORS UNTIL THE STORM PASSES.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING...THROUGH OUR
AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER...
1 8 7 7...6 3 3...6 7 7 2.

LAT...LON 3530 8182 3525 8161 3491 8169 3491 8173
      3492 8172 3493 8175 3513 8184 3517 8186
      3519 8189
TIME...MOT...LOC 2257Z 018DEG 8KT 3519 8175

$$

HG
2 follow-up statements
000 
WWUS52 KGSP 232322
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
722 PM EDT THU AUG 23 2007

NCC045-161-232332-
/O.CAN.KGSP.SV.W.0372.000000T0000Z-070824T0000Z/
CLEVELAND NC-RUTHERFORD NC-
722 PM EDT THU AUG 23 2007

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RUTHERFORD AND
SOUTHWESTERN CLEVELAND COUNTIES IS CANCELLED...

AT 722 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 
THE SEVERE THUNDERSTORM HAD MOVED SOUTH OF CLEVELAND AND RUTHERFORD 
COUNTIES.

LAT...LON 3517 8163 3491 8169 3491 8172 3493 8173
      3493 8175 3500 8177 3502 8179 3503 8178
      3504 8180 3518 8187
TIME...MOT...LOC 2322Z 039DEG 16KT 3512 8181

$$

SCC021-240000-
/O.CON.KGSP.SV.W.0372.000000T0000Z-070824T0000Z/
CHEROKEE SC-
722 PM EDT THU AUG 23 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR WESTERN CHEROKEE COUNTY...

AT 722 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED 9 MILES NORTHWEST OF GAFFNEY...MOVING SOUTHWEST AT 15 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  8 MILES NORTHWEST OF THICKETTY BY 730 PM EDT...

LAT...LON 3517 8163 3491 8169 3491 8172 3493 8173
      3493 8175 3500 8177 3502 8179 3503 8178
      3504 8180 3518 8187
TIME...MOT...LOC 2322Z 039DEG 16KT 3512 8181

$$

HG
000 
WWUS52 KGSP 232340
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
740 PM EDT THU AUG 23 2007

SCC021-232350-
/O.CAN.KGSP.SV.W.0372.000000T0000Z-070824T0000Z/
CHEROKEE SC-
740 PM EDT THU AUG 23 2007

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN CHEROKEE COUNTY IS
CANCELLED...

AT 740 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE 
PREVIOUSLY SEVERE THUNDERSTORM IN WESTERN CHEROKEE COUNTY HAD 
WEAKENED BELOW SEVERE LIMITS AND MOVED SOUTHEAST OUT OF THE COUNTY.

LAT...LON 3517 8163 3491 8169 3491 8172 3493 8173
      3493 8175 3500 8177 3502 8179 3503 8178
      3504 8180 3518 8187
TIME...MOT...LOC 2340Z 039DEG 16KT 3506 8187

$$

HG

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 23, 3:50 PM EDT, 3 hours 7 minutes earlier.

Area forecast discussion, Aug 23, 3:50 PM EDT, 3 hours 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
350 PM EDT THU AUG 23 2007

.SYNOPSIS...
AN UPPER RIDGE WILL REMAIN OVER THE SOUTHEAST THROUGH THE END
OF THE WEEK...BEFORE A COLD FRONT APPROACHES THE WESTERN CAROLINAS
LATE IN THE WEEKEND. THE FRONT WILL BECOME STATIONARY OVER THE
REGION AND SLOWLY DISSIPATE EARLY NEXT WEEK AS THE UPPER RIDGE
BUILDS BACK OVER THE REGION ONCE AGAIN.

&&

.NEAR TERM /THROUGH FRIDAY/...
RESENT TO INCLUDE AIR QUALITY ACTION DAY FOR CLT ON FRIDAY.

SHOWER AND TSTM ACTIVITY WILL GRADUALLY DIMINISH THIS EVENING AND
SOME DEBRIS CLOUDS LINGER UNTIL AROUND MIDNIGHT. WITH UPSLOPE FLOW
OVERNIGHT...THE NAM/GFS/SREF ALL HAVE SLIGHT CHC TO CHC POP IN
VARIOUS BULLSEYES ACROSS THE CWFA. DECIDED THAT THERE MAY BE A STRAY
SHOWER POSSIBLE ACROSS THE AREA AND KEPT SLIGHT CHC WITH THE HIGHEST
OVER THE UPSLOPE AREAS ALONG THE BLUE RIDGE ESCARPMENT. THE NAM IS
SHOWING SOME STRATUS ADVANCING FROM THE NORTHEAST...WITH INCREASING
LOW LEVEL CLOUDINESS ACROSS THE NORTHWESTERN PIEDMONT OF NC (MAINLY
THE TRIAD TO KHKY). HENCE...HAVE BUMPED UP SKY COVER GRIDS AND MIN
TEMPS A COUPLE DEGREES ABOVE MAV. IN ANY CASE MIN TEMPS SHOULD BE IN
THE LOWER TO MIDDLE 70S.

FRIDAY...LITTLE CHANGE IN AIR MASS...WITH CONTINUED SELY LOW LVL
FLOW...AND UPPER RIDGE HOLDING ON ACROSS THE DEEP SOUTH. LOW LVL
THICKNESSES AND SKY COVER SUGGEST A MAINLY PERSISTENCE FCST. LOW LVL
MOISTURE SHOULD BE AMPLE ENOUGH TO PRODUCE CAPES TO 2000+ J/KG OVER
THE MTNS. SINCE THERE WILL BE LITTLE SHEAR OR UPPER LEVEL SUPPORT
FOR ORGANIZED CONVECTION...ONLY ISO/SCT COVERAGE CONFINED TO MAINLY
THE MTN ZONES IS EXPECTED. THERE MAY BE SOME ISOLATED PULSE SEVERE
CONVECTION AS HAS BEEN THE CASE THE LAST COUPLE OF DAYS...AND THAT
IS ALREADY IN THE HWO. MAX TEMPS SHOULD BE IN THE MIDDLE TO UPPER
90S PIEDMONT (80S TO LOWER 90S MTN VALLEYS).

&&

.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
ANY REMAINING CONVECTION FRIDAY NIGHT SHOULD END WITH LOSS OF
HEATING...SO ONLY CARRYING ISOLATED POP FOR THE MTNS UNTIL MIDNIGHT.
SHOULD BE ANOTHER WARM NIGHT WITH LOWS IN THE LOWER 70S OUTSIDE OF
THE MTNS AND 60S MTNS.

RIDGE WEAKENS A LITTLE SATURDAY AS SHORT WAVES MOVING THROUGH THE
WESTERLIES MOVE A TROF EASTWARD TO OUR NORTH. WILL NOT BE MUCH IN
THE WAY OF SYNOPTIC SCALE FORCING...BUT LOW LEVEL MOISTURE AND
CONVERGENCE SHOULD INITIATE SCT CONVECTION OVER THE MTNS. THE NAM
MOVES THIS CONVECTION INTO THE FOOTHILLS AND I-85 CORRIDOR BEFORE
ENDING WITH LOSS OF HEATING. THE GFS KEEPS THE CONVECTION CONFINED
TO THE MTNS. WILL BRING SCT CONVECTION OFF THE MTNS FOR THE LATE
AFTERNOON AND EVENING...BUT NOT AS FAR EAST AS THE NAM. THICKNESSES
AND H85 TEMPS REMAIN QUITE HIGH SATURDAY EVEN WITH WEAKER RIDGING
OVER US. THEREFORE...HAVE GONE CLOSER TO THE WARMER MAV GIVING US
MID TO UPPER 90S OUTSIDE OF THE MTNS AND AROUND 90 MTN VALLEYS.
THESE TEMPERATURES COMBINED WITH DEW POINT VALUES IN THE REASONABLE
RANGE FROM UPPER 60 MOST OF THE AREA TO AROUND 70 UPPER SAVANNAH
RIVER VALLEY...PRODUCES HEAT INDEX VALUES OVER 100 BUT LESS THAN 105
FOR MUCH OF THE CWFA FOR A LONG STRETCH IN THE AFTERNOON. THIS WILL
NEED TO BE WATCHED CLOSELY. LOWS SATURDAY NIGHT REMAINING ABOVE
NORMAL IN THE LOWER 70S OUTSIDE OF THE MTNS AND 60S MTNS.

UPPER RIDGE RETROGRADES TO THE WEST SUNDAY AS HEIGHTS CONTINUE TO
LOWER SLIGHTLY WITH THE TROF MOVING THROUGH THE EAST. A SURFACE
FRONT MOVES INTO THE AREA SUNDAY INCREASING THE LOW LEVEL
CONVERGENCE. LOW LEVEL MOISTURE REMAINS HIGH LEADING TO MODERATE
INSTABILITY OVER THE AREA. SUNDAY LOOKS TO BE THE BEST DAY IN THE
SHORT RANGE FOR CONVECTION...BUT AS DRY AS IT HAS BEEN THIS YEAR
WILL HAVE TO WAIT AND SEE WHAT DEVELOPS. THAT SAID...DID GO WITH 40
POP FOR THE MTNS AND 30 ELSEWHERE FOR THE AFTERNOON. HARD TO CALL IT
A COOLING TREND...BUT HIGHS WILL BE IN THE LOW TO MID 90S OUTSIDE OF
THE MTNS AND UPPER 80S TO AROUND 90 MTN VALLEYS.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
MODELS IN PRETTY GOOD AGREEMENT FOR THE MEDIUM RANGE. CENTER OF
UPPER RIDGE REMAINS TO OUR WEST. WHILE IT IS HARD TO CALL IT
TROFFING OVER THE EAST...A WEAKNESS IN THE RIDGING DEVELOPS OVER THE
SOUTHEAST. WEAK SHORT WAVES DROP INTO THIS WEAKNESS UNTIL THURSDAY
WHEN THE RIDGE AXIS MOVES WESTWARD ALLOWING A STRONGER SHORT WAVES
TO CARVE OUT AN ACTUAL TROF OVER THE EAST. A FRONTAL SYSTEM STALLS
OVER THE AREA MONDAY AND DISSIPATES TUESDAY. THIS KEEPS A MOIST AND
UNSTABLE AIR MASS OVER THE AREA. WILL GO AHEAD AND INCLUDE SCT
AFTERNOON CONVECTION FOR THESE DAYS EVEN THOUGH WE ARE IN A DROUGHT
AS ALL GUIDANCE INCLUDING ENSEMBLES SHOW PRECIP. MOISTURE DECREASES
WEDNESDAY AND THE AREA WILL BE BETWEEN SYNOPTIC SYSTEMS.
HOWEVER...DECENT INSTABILITY IS FORECAST...SO WILL GO WITH SCT
CONVECTION MTNS WHERE MOISTURE IS BEST AND ISOLATED ELSEWHERE.
FRONTAL SYSTEM MOVES INTO THE AREA THURSDAY...SO SCATTERED
CONVECTION RETURNS. WE SHOULD SEE A SIGNIFICANT DECREASE IN TEMPS
THROUGH THE PERIOD...BUT WILL STILL BE ABOVE NORMAL MOST LOCATIONS.
THE EXCEPTION IS NC FOOTHILLS AND PIEDMONT WHERE THEY WILL BE NEAR
TO A LITTLE ABOVE NORMAL.

&&

.AVIATION /20Z THURSDAY THROUGH TUESDAY/...
FOR THE FIRST FEW HOURS OF THE 18Z ISSUANCE...THERE WILL BE
SCATTERED SHRA/TSRA ACROSS THE AREA. SINCE THE COVERAGE LOOKS TO BE
30-40%...DID NOT HAVE DIRECT MENTION OF TS AT THE SITE...EXCEPT KAVL
WHERE THUNDERSTORMS WERE WITHIN 20SM OF THE SITE. OTHERWISE...VFR
THROUGH EARLY TONIGHT. THERE WILL LIKELY BE SOME MVFR FOG AT LEAST
AT KAVL (WITH POSSIBLY LOWER VSBYS). GUIDANCE HAS ALL SITES DROPPING
VSBY TO MVFR AROUND 9Z. GIVEN THE LIGHT WINDS AND INCREASING LOW
LEVEL MOISTURE...THINK THAT ALL SITES MAY SEE SOME REDUCTION IN VSBY
FOR A FEW HOURS AROUND DAWN. THEN BR/HZ MIX OUT BY 13Z AND SCT VFR
CU SHOULD DEVELOP.

ISOLATED TO WIDELY SCATTERED AFTERNOON CONVECTION AND LIGHT MORNING
FOG WILL BE POSSIBLE THIS WEEKEND...ESPECIALLY IN THE MTNS. COVERAGE
OF CONVECTION MAY INCREASE FROM WHAT IS EXPECTED FRIDAY THROUGH THIS
WEEKEND...AS A FRONT APPROACHES FROM THE NORTHWEST SUNDAY. THIS
FRONT STALLS OVER THE AREA MONDAY AND TUESDAY.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...AIR QUALITY ACTION DAY FROM 6 AM TO 9 PM EDT FRIDAY FOR
     NCZ036-057-069>072-082.
SC...NONE.

&&

SYNOPSIS...TJB
NEAR TERM...ARK
SHORT TERM...RWH
LONG TERM...RWH
AVIATION...ARK
Hazardous weather outlook, Aug 23, 3:54 PM EDT, 3 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
354 PM EDT THU AUG 23 2007

GAZ010-017-NCZ033-048>053-058-059-062>065-501-503-505-507-509-
SCZ001>003-242000-
RABUN-HABERSHAM-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-
GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
354 PM EDT THU AUG 23 2007

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL CONTINUE INTO THE EVENING OVER THE
MOUNTAINS OF THE CAROLINAS AND NORTHEAST GEORGIA. A FEW ADDITIONAL
STORMS COULD BECOME SEVERE...PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A FEW SEVERE STORMS WILL BE POSSIBLE AGAIN FRIDAY AFTERNOON OVER
THE MOUNTAINS. THE MAIN SEVERE THREAT IS EXPECTED TO BE DAMAGING
WINDS.

.SPOTTER INFORMATION STATEMENT...

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

GAZ018-026-028-029-NCZ035-037-056-068-502-504-506-508-510-SCZ004>014-
019-242000-
STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-DAVIE-CATAWBA-CLEVELAND-
GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-GREATER RUTHERFORD-
EASTERN POLK-GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-
SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-
CHESTER-GREENWOOD-
354 PM EDT THU AUG 23 2007

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

ISOLATED THUNDERSTORMS WILL CONTINUE INTO THE EVENING OVER THE
FOOTHILLS AND PIEDMONT OF THE WESTERN CAROLINAS AND NORTHEAST
GEORGIA. ONE OR TWO ADDITIONAL STORMS COULD BECOME SEVERE...
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

HEAT INDEX VALUES WILL APPROACH 105 DEGREES SATURDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

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

NCZ036-057-069>072-082-242000-
IREDELL-ROWAN-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
354 PM EDT THU AUG 23 2007

...AIR QUALITY ACTION DAY IN EFFECT FROM 6 AM TO 9 PM EDT FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH 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.

   AIR QUALITY ACTION DAY.

ISOLATED THUNDERSTORMS WILL CONTINUE INTO THE EVENING OVER THE
FOOTHILLS AND PIEDMONT OF THE WESTERN CAROLINAS AND NORTHEAST
GEORGIA. ONE OR TWO ADDITIONAL STORMS COULD BECOME SEVERE...
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

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

   AIR QUALITY ACTION DAY.

HEAT INDEX VALUES WILL APPROACH 105 DEGREES SATURDAY AFTERNOON.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Aug 23, 6:30 PM EDT, 27 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
630 PM EDT THU AUG 23 2007

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

0555 PM     TSTM WND DMG     MONROE                  34.99N 80.54W
08/23/2007                   UNION              NC   COUNTY OFFICIAL

            COUNTY COMMS AND SPOTTER REPORT 12 POWER POLES BLOWN DOWN
            ON HIGHWAY 74 NEAR THE MALL. ALSO HAIL OF UNKNOWN SIZE.

&&

LANE
Special weather statement, Aug 23, 6:30 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
630 PM EDT THU AUG 23 2007

SCZ007-232330-
SPARTANBURG-
630 PM EDT THU AUG 23 2007

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN SPARTANBURG COUNTY
THROUGH 730 PM EDT...

AT 630 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTHEAST OF WOODRUFF...OR 13 MILES SOUTH
OF SPARTANBURG...MOVING SOUTHWEST AT 5 MPH.

THIS STORM WILL BE NEAR...
  WOODRUFF BY 650 PM EDT.

PEA SIZE HAIL...AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM. INTENSE LIGHTNING IS ALSO 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.

HG
Special weather statement, Aug 23, 6:33 PM EDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
633 PM EDT THU AUG 23 2007

SCZ011-232330-
ABBEVILLE-
633 PM EDT THU AUG 23 2007

...A STRONG THUNDERSTORM WILL AFFECT ABBEVILLE COUNTY THROUGH 730 PM
EDT...

AT 633 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTH OF DUE WEST...OR 7 MILES NORTH OF
ABBEVILLE...MOVING SOUTHWEST AT 10 MPH.

THIS STORM WILL BE NEAR...
  6 MILES SOUTHEAST OF ANTREVILLE BY 705 PM EDT.
  6 MILES EAST OF LOWNDESVILLE BY 730 PM EDT.

PEA SIZE HAIL...AND WIND GUSTS UP TO 40 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.

HG
Special weather statement, Aug 23, 6:46 PM EDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
646 PM EDT THU AUG 23 2007

SCZ019-232330-
GREENWOOD-
646 PM EDT THU AUG 23 2007

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN GREENWOOD COUNTY
THROUGH 730 PM EDT...

AT 646 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR COKESBURY...OR 9 MILES NORTH OF GREENWOOD...
MOVING SOUTHWEST AT 5 MPH.

THIS STORM WILL BE NEAR...
  COKESBURY BY 655 PM EDT.

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 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.

HG
Local storm report, Aug 23, 6:53 PM EDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
653 PM EDT THU AUG 23 2007

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

0645 PM     NON-TSTM WND DMG HICKORY TAVERN          34.52N 82.19W
08/23/2007                   LAURENS            SC   FIRE DEPT/RESCUE

            FIRE DEPT REPORTS TREES AND POWER LINES AS WELL AS PEA
            SIZE HAIL NEAR HICKORY TAVERN HIGH SCHOOL

&&

LANE
Special weather statement, Aug 23, 6:54 PM EDT, 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
654 PM EDT THU AUG 23 2007

NCZ068-508-SCZ008-240000-
CHEROKEE-CLEVELAND-GREATER RUTHERFORD-
654 PM EDT THU AUG 23 2007

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN CHEROKEE...
SOUTHEASTERN RUTHERFORD AND SOUTHWESTERN CLEVELAND COUNTIES THROUGH
800 PM EDT...

AT 654 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTHEAST OF CLIFFSIDE...OR 11 MILES
NORTHWEST OF GAFFNEY...MOVING SOUTHWEST AT 5 MPH.

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 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.

HG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 6:19 PM EDTSevere Thunderstorm WarningGSPLaurens46 min
Aug 23, 6:22 PM EDTSevere Thunderstorm WarningGSPUnion33 min
Aug 23, 6:59 PM EDTSevere Thunderstorm WarningGSPAnderson61 min
Aug 23, 7:50 PM EDTSevere Thunderstorm WarningGSPYork55 min
Aug 22, 8:30 PM EDTSevere Thunderstorm WarningGSPUnion60 min
Aug 23, 1:19 PM EDTSevere Thunderstorm WarningGSPAvery26 min
Aug 23, 2:10 PM EDTSevere Thunderstorm WarningGSPTransylvania65 min
Aug 23, 3:46 PM EDTAir Stagnation AdvisoryGSPCabarrus, Davie, Gaston, Iredell, Lincoln, Mecklenburg and 2 more29 hr
Aug 23, 5:40 PM EDTSevere Thunderstorm WarningGSPUnion65 min
Aug 23, 7:08 PM EDTSevere Thunderstorm WarningGSPMecklenburg67 min
Aug 23, 7:13 PM EDTSevere Thunderstorm WarningGSPMadison25 min
Aug 23, 7:42 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell63 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2007Severe Thunderstorm Warnings in South Carolina, 2007Every severe thunderstorm warning in 2007

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.