Alert archive / North Carolina / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 384, NWS Greenville-Spartanburg, SC

August 23, 2007Caldwell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 23, 2007, 9:45 PM EDT for Caldwell County, North Carolina. It was in force for 42 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, 9:45 PM EDT (01:45 UTC)
Expired
Aug 23, 2007, 10:27 PM EDT
In force
42 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Caldwell County, NC

The radar

The Greer radar (KGSP), 128 km from the middle of the area, began a volume at 01:46 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 00:00Z, 1.8 hours before the alert went out and 152 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 00:00Z on 2007-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2728 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 00:00Z on 2007-08-24The 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
2728 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1035 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
64 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 240145
SVRGSP
NCC027-240245-
/O.NEW.KGSP.SV.W.0384.070824T0145Z-070824T0245Z/

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

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CALDWELL COUNTY IN WESTERN NORTH CAROLINA

* UNTIL 1045 PM EDT

* AT 945 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 7
  MILES NORTH OF LENOIR...OR ABOUT 3 MILES EAST OF PATTERSON. THIS
  STORM WAS NEARLY STATIONARY.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  KINGS CREEK AND 7 MILES NORTHEAST OF LENOIR BY 1045 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 3612 8155 3596 8135 3579 8139 3580 8158
      3582 8160 3583 8163 3586 8167 3587 8171
      3597 8177
TIME...MOT...LOC 0145Z 297DEG 1KT 3600 8150

$$

HG
2 follow-up statements
000 
WWUS52 KGSP 240211
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1010 PM EDT THU AUG 23 2007

NCC027-240245-
/O.CON.KGSP.SV.W.0384.000000T0000Z-070824T0245Z/
CALDWELL NC-
1010 PM EDT THU AUG 23 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR CALDWELL COUNTY...

AT 1010 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 NEAR PATTERSON...OR ABOUT 6 MILES NORTH OF LENOIR. THIS STORM
WAS NEARLY STATIONARY.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  KINGS CREEK AND 6 MILES NORTHEAST OF LENOIR THROUGH 1045 PM EDT...

TORRENTIAL RAINFALL AT THE RATE OF 1 TO 2 INCHES PER HOUR WILL 
CONTINUE UNDER THIS THUNDERSTORM. ISOLATED FLOODING OF LOW LYING 
AREAS CAN BE EXPECTED. DO NOT ATTEMPT TO DRIVE THROUGH ANY FLOODED 
ROADWAYS.

LAT...LON 3612 8155 3596 8135 3579 8139 3580 8158
      3582 8160 3583 8163 3586 8167 3587 8171
      3597 8177
TIME...MOT...LOC 0210Z 310DEG 2KT 3599 8151

$$

HG
000 
WWUS52 KGSP 240227
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1027 PM EDT THU AUG 23 2007

NCC027-240237-
/O.CAN.KGSP.SV.W.0384.000000T0000Z-070824T0245Z/
CALDWELL NC-
1027 PM EDT THU AUG 23 2007

...THE SEVERE THUNDERSTORM WARNING FOR CALDWELL COUNTY IS
CANCELLED...

AT 1027 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 
THE PREVIOUSLY SEVERE THUNDERSTORMS OVER CALDWELL COUNTY HAD 
WEAKENED BELOW SEVERE LIMITS.

LAT...LON 3612 8155 3596 8135 3579 8139 3580 8158
      3582 8160 3583 8163 3586 8167 3587 8171
      3597 8177
TIME...MOT...LOC 0227Z 310DEG 2KT 3598 8150

$$

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, 7:52 PM EDT, 1 hour 53 minutes earlier.

Area forecast discussion, Aug 23, 7:52 PM EDT, 1 hour 53 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
752 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/...
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 BULLS EYES 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 /00Z FRIDAY THROUGH TUESDAY/...
THUNDERSTORMS WILL REMAIN IN THE VICINITY OF KCLT AND KHKY THROUGH
LATE EVENING. IT APPEARS LIKELY THAT SOME BRIEF VISBY RESTRICTIONS
WILL OCCUR IN LIGHT TO MODERATE RAIN AS CONVECTION APPROACHES BOTH
OF THESE TERMINALS. ANOTHER THUNDERSTORM IN THE VCNTY OF KAND SHOULD
CONTINUE TO MOVE AWAY FROM THAT AIRFIELD. FOR NOW...WE DO NOT
ANTICIPATE CONVECTION TO AFFECT THE OTHER TERMINALS THIS EVENING.
OTHERWISE...FOG SHOULD BE A BIT MORE PREVALENT ACROSS THE REGION FRI
MORNING...ALTHOUGH IT STILL SHOULDN/T BE A BIG DEAL. WE WOULDN/T
RULE OUT A BRIEF PERIOD OF IFR AT KAVL...BUT VISBY SHOULD FOR THE
MOST PART REMAIN IN THE VFR/MVFR RANGE. THE ATMOSPHERE WILL
DESTABILIZE SUBSTANTIALLY ONCE AGAIN FRI AFTERNOON...SO EXPECT AT
LEAST ISOLATED CONVECTION ACROSS THE AREA ONCE AGAIN. THE BEST
COVERAGE SHOULD OCCUR ACROSS THE MTNS...SO A CB CLOUD GROUP WAS
INTRODUCED AT KAVL.

AS A COLD FRONT APPROACHES THE REGION...COVERAGE OF AFTERNOON
CONVECTION MAY INCREASE OVER THE WEEKEND INTO EARLY NEXT WEEK. LIGHT
MORNING FOG WILL ALSO BE POSSIBLE THROUGH THE PERIOD...ESPECIALLY IN
THE MTNS.

&&

.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...JDL
Hazardous weather outlook, Aug 23, 3:54 PM EDT, 5 hours 51 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

Special weather statement, Aug 23, 8:48 PM EDT, 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
848 PM EDT THU AUG 23 2007

SCZ007-240130-
SPARTANBURG-
848 PM EDT THU AUG 23 2007

...A STRONG THUNDERSTORM WILL AFFECT SPARTANBURG COUNTY THROUGH 930
PM EDT...

AT 848 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR REIDVILLE...OR 12 MILES SOUTHWEST OF
SPARTANBURG...MOVING SOUTHWEST AT 10 MPH. THIS THUNDERSTORM WILL
AFFECT LOCATIONS FROM REIDVILLE TO SOUTH OF GREER THROUGH 930 PM.

PEA SIZE HAIL...AND WIND GUSTS OF 30 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
Local storm report, Aug 23, 9:17 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
917 PM EDT THU AUG 23 2007

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

0914 PM     HAIL             MORGANTON               35.74N 81.70W
08/23/2007  E0.75 INCH       BURKE              NC   TRAINED SPOTTER

            SPOTTER REPORTS ONGOING PENNY SIZE HAIL

&&

SKRENTZ
Local storm report, Aug 23, 9:26 PM EDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
926 PM EDT THU AUG 23 2007

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

0905 PM     HAIL             5 S MORGANTON           35.67N 81.70W
08/23/2007  E0.88 INCH       BURKE              NC   TRAINED SPOTTER

            SPOTTER REPORTS NICKLE SIZE HAIL LASTING 10 MINUTES

0918 PM     TSTM WND DMG     DYSARTSVILLE            35.60N 81.87W
08/23/2007                   MCDOWELL           NC   COUNTY OFFICIAL

            COUNTY OFFICIAL REPORTS TREE DOWN ON CAR

&&

SKRENTZ
Special weather statement, Aug 23, 9:29 PM EDT, 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
929 PM EDT THU AUG 23 2007

NCZ068-240215-
CLEVELAND-
929 PM EDT THU AUG 23 2007

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN CLEVELAND COUNTY
THROUGH 1015 PM EDT...

AT 929 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LAWNDALE...OR 8 MILES NORTH OF SHELBY...
MOVING WEST AT 10 MPH.

THIS STORM WILL BE NEAR...
  POLKVILLE BY 945 PM EDT.

PEA SIZE HAIL...AND WIND GUSTS OF 30 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
Local storm report, Aug 23, 9:34 PM EDT, 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
934 PM EDT THU AUG 23 2007

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

0900 PM     TSTM WND DMG     LENOIR                  35.91N 81.53W
08/23/2007                   CALDWELL           NC   COUNTY OFFICIAL

            TREES AND POWER LINES REPORTED DOWN ALL ACROSS THE COUNTY

&&

SKRENTZ
Local storm report, Aug 23, 9:44 PM EDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
944 PM EDT THU AUG 23 2007

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

0918 PM     NON-TSTM WND DMG DYSARTSVILLE            35.60N 81.87W
08/23/2007                   MCDOWELL           NC   COUNTY OFFICIAL

            A COUPLE TREES DOWN ON VAIN MOUNTAIN ROAD. ONE TREE WAS
            ON A CAR

&&

SKRENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 8:42 PM EDTSevere Thunderstorm WarningGSPCaldwell63 min
Aug 23, 8:43 PM EDTSevere Thunderstorm WarningGSPBurke62 min
Aug 23, 9:08 PM EDTSevere Thunderstorm WarningGSPMcDowell67 min
Aug 23, 9:17 PM EDTSevere Thunderstorm WarningGSPRutherford88 min
Aug 23, 9:54 PM EDTSevere Thunderstorm WarningGSPPolk96 min
Aug 24, 9:55 AM EDTAir Stagnation AdvisoryGSPCabarrus, Davie, Gaston, Iredell, Lincoln, Mecklenburg and 2 more35 hr
Aug 24, 1:46 PM EDTSevere Thunderstorm WarningGSPTransylvania29 min
Aug 24, 2:03 PM EDTSevere Thunderstorm WarningGSPHaywood57 min
Aug 24, 2:08 PM EDTSevere Thunderstorm WarningGSPAvery, Burke, McDowell67 min
Aug 24, 2:36 PM EDTSevere Thunderstorm WarningGSPJackson34 min
Aug 24, 2:43 PM EDTSevere Thunderstorm WarningGSPMitchell47 min
Aug 24, 2:56 PM EDTSevere Thunderstorm WarningGSPMacon49 min
Aug 24, 3:03 PM EDTSevere Thunderstorm WarningGSPBuncombe, Henderson57 min
Aug 24, 4:52 PM EDTSevere Thunderstorm WarningGSPRutherford53 min

Nearby

Severe Thunderstorm Warnings in North 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.