Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 129, NWS Greenville-Spartanburg, SC

May 10, 2011Greenville County, Laurens County, Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 10, 2011, 7:08 PM EDT for Greenville County, Laurens County, Spartanburg County, South Carolina. It was in force for 52 min. 15 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 10, 2011, 7:08 PM EDT (23:08 UTC)
Expired
May 10, 2011, 8:00 PM EDT
In force
52 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Greenville County, SC, Laurens County, SC, Spartanburg County, SC

The radar

The Greer radar (KGSP), 18 km from the middle of the area, began a volume at 23:09 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.

What was reported inside it

TimeReportWhereRemark
May 10, 7:16 PM EDTHAIL 0.253 Ne Greenville, SCGOLF BALL HAIL AT THE BOILING SPRINGS FIRE DEPT
May 10, 7:16 PM EDTHAIL 13 Ne Greenville, SCGOLF BALL HAIL AT THE BOILING SPRINGS FIRE DEPT
May 10, 7:20 PM EDTHAIL 15 Sw Greer, SC
May 10, 7:25 PM EDTHAIL 1.255 N Simpsonville, SCCOCORAHS OBSERVER REPORTS HALF DOLLAR SIZED HAIL WITH SHREDDED LEAVES AND DENTS IN THEIR CAR.
May 10, 7:27 PM EDTHAIL 0.254 Ene Mauldin, SCONE INCH HAIL
May 10, 7:27 PM EDTHAIL 14 Ene Mauldin, SCONE INCH HAIL
May 10, 7:31 PM EDTHAIL 0.752 N Mauldin, SC
May 10, 7:32 PM EDTHAIL 1.254 E Mauldin, SC
May 10, 7:37 PM EDTHAIL 1.753 E Mauldin, SC
May 10, 7:40 PM EDTHAIL 1.54 Ene Mauldin, SC
May 10, 7:42 PM EDTHAIL 1.755 Ene Mauldin, SC
May 10, 7:45 PM EDTHAIL 1.754 Nne Simpsonville, SCTHERE WERE SEVERAL REPORTS IN THIS AREA OF GOLF BALL SIZED HAIL IN THE FIVE FORKS AREA DOWN TO SIMPSONVILLE. HAIL STARTED AT 732 PM AT THIS SPECIFIC LOCATION AND CONTINUED FOR 20 MINUTES REACHING GOLF BALL SIZED AT 745 PM.
May 10, 7:45 PM EDTHAIL 24 E Mauldin, SC
May 10, 7:55 PM EDTHAIL 1Fountain Inn, SC
May 10, 8:05 PM EDTHAIL 12 Nw Gray Court, SCHW-14 QUICK STOP RERPORTED HAIL UP TO THE SIZE OF QUARTERS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 11 storm reports to this severe thunderstorm warning; the first came 8 minutes after it went out.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 10, 3:20 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.1 hours before the alert went out and 255 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 2011-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1784 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 2011-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.193958Sfc1 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
1784 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1048 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
9 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.

305 
WUUS52 KGSP 102308
SVRGSP
SCC045-059-083-110000-
/O.NEW.KGSP.SV.W.0129.110510T2308Z-110511T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
708 PM EDT TUE MAY 10 2011

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN LAURENS COUNTY IN UPSTATE SOUTH CAROLINA...
  SOUTHWESTERN SPARTANBURG COUNTY IN UPSTATE SOUTH CAROLINA...
  SOUTHEASTERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 800 PM EDT

* AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO
  GOLF BALL SIZE.  THIS STORM WAS LOCATED NEAR TAYLORS...OR 6 MILES
  NORTHEAST OF DOWNTOWN GREENVILLE...MOVING SOUTH AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HAYWOOD MALL AND GSP AIRPORT...
  PELHAM ROAD AT I-85...
  SHOPS AT GREENRIDGE...
  MAULDIN...
  FIVE FORKS AND DONALDSON CENTER...
  SIMPSONVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

ALTHOUGH LARGE HAIL TO THE SIZE OF GOLF BALLS IS THE MAIN THREAT 
WITH THIS SEVERE THUNDERSTORM...BRIEF DAMAGING WINDS COULD ALSO 
OCCUR.

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 3494 8245 3501 8220 3455 8194 3445 8228
      3446 8229
TIME...MOT...LOC 2307Z 340DEG 17KT 3489 8231

$$

RWH
1 follow-up statement
245 
WWUS52 KGSP 102341
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
741 PM EDT TUE MAY 10 2011

SCC045-059-083-110000-
/O.CON.KGSP.SV.W.0129.000000T0000Z-110511T0000Z/
LAURENS SC-SPARTANBURG SC-GREENVILLE SC-
741 PM EDT TUE MAY 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHEASTERN GREENVILLE...SOUTHWESTERN SPARTANBURG AND
NORTHWESTERN LAURENS COUNTIES...

AT 739 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DAMAGING
HAIL UP TO GOLF BALL SIZE.  THIS STORM WAS LOCATED NEAR FIVE FORKS...
OR 11 MILES SOUTHEAST OF DOWNTOWN GREENVILLE...MOVING SOUTH AT 15
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SIMPSONVILLE...FOUNTAIN INN...PRINCETON...ORA...HICKORY TAVERN...GRAY
COURT AND FORK SHOALS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALTHOUGH LARGE HAIL TO THE SIZE OF GOLF BALLS IS THE MAIN THREAT 
WITH THIS STORM...BRIEF DAMAGING WINDS COULD ALSO OCCUR.

&&

LAT...LON 3480 8240 3489 8213 3455 8194 3445 8228
      3446 8229
TIME...MOT...LOC 2341Z 338DEG 14KT 3476 8222

$$

RWH

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 May 10, 6:59 PM EDT, 9 minutes earlier.

Area forecast discussion, May 10, 6:59 PM EDT, 9 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
659 PM EDT TUE MAY 10 2011

.SYNOPSIS...
AN UPPER LEVEL RIDGE WILL CONTINUE TO STRENGTHEN ACROSS THE EASTERN
HALF OF THE COUNTRY THROUGH WEDNESDAY. A WEAK BOUNDARY THROUGH
WESTERN NORTH CAROLINA INTO SOUTH CAROLINA WILL GRADUALLY MOVE
WESTWARD AND THEN DISSIPATE. A CLOSED UPPER LOW WILL SLOWLY APPROACH
THE AREA FROM THE WEST THIS WEEKEND.

&&

.NEAR TERM /THROUGH WEDNESDAY/...
2300 UPDATE...MAIN CONVECTIVE FOCUS IS SOUTHWEST OF THE WARM FRONT
NEAR BETTER INSTABILITY FROM THE NC BLUE RIDGE TO THE SC
PIEDMONT...AND POPS AND QPF HAVE BEEN RAISED IN THIS AREA.

WOULD EXPECT MLCIN TO ERODE AS THE AFTERNOON WEARS ON AND THE
AVAILABILITY OF POTENTIAL TRIGGERS TO INCREASE INTO THIS EVENING AS
CENTRAL APPALACHIAN DEEP CONVECTION NEARS. SHORT RANGE MODEL RESPONSE
IS IN GOOD AGREEMENT WITH RESPECT TO SENSIBLE WX...CLICKING OFF QPF
ACRS THE NC MTNS/FTLHS THRU LATE AFTERNOON AND THEN INTO THE
PIEDMONT THRU EARLY EVENING. MESOSCALE MODELS WOULD INFER THAT
ANYTHING MORE THAN AN ISOLATED SVR WX WILL DEVELOP/TRANSLATE
SE ACRS WESTERN NC CLOSER TO SYNOPTIC SCALE BNDRY/LLVL CONVERGENCE
AXIS...AND WILL PLAN ON INCLUDING WORDING AS SUCH IN THE FCST.
PERHAPS EVEN INTO A PORTION OF THE OVERNIGHT HOURS...IT STILL
REMAINS FUZZY ON THE DEVELOPMENT AND/OR TRACK OF ANY ADDITIONAL
CONVECTIVELY INDUCED VORTS TO MAINTAIN DEEP CONVECTION TOWARD
WEDNESDAY MORNING. SENSIBLE WX OUTSIDE OF TSTM CHANCES WILL BE FAIR
AND QUITE MILD WITH LATE NIGHT FOG PROBABILITIES AND WED AM MIN
TEMPS 8-10 DEG F ABV CLIMO. UPPER RIDGE AXIS OFF TO OUR WEST POKES A
BIT FURTHER EASTWARD ON WEDNESDAY AND DIURNAL DESTABILIZATION
EXPECTED TO BE AT LEAST MODERATE...ESPECIALLY WHERE TEMPERATURES
WARM WELL INTO THE 80S ACRS THE SW HALF OF THE CWFA. ALTHOUGH
EFFECTIVE BULK SHEAR WILL BE EXPECTEDLY LESS THAN WHAT WE ARE SEEING
TODAY...ISOLATED...DIURNALLY ENHANCED SVR STORMS WILL BE PROBABLE.

&&

.SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY/...
AS OF 120 PM TUESDAY...A HIGH AMPLITUDE RIDGE WILL BREAK DOWN DURING
THIS SHORT TERM PERIOD OF THE FORECAST. SOME LEFT OVER CONVECTION
CARRYING INTO WEDNESDAY EVENING WITH THE NW FLOW AND THEN A DECREASE
THROUGH THURSDAY MORNING WITH THE RIDGE AXIS PASSING OVERHEAD.
GREATEST INSTABILITY SHOULD BE OVER NE GA AND THE WESTERN UPSTATE
WITH FAIRLY LIGHT WIND FIELDS.  NOT A BIG CONCERN AS OF THIS TIME.
HOWEVER...CONCERN PICKS UP AGAIN ON FRIDAY WITH LOW TO MID LEVEL
WIND FIELDS INCREASING LATE IN THE DAY AS COLD FRONT APPROACHES FROM
THE WEST.  CAPE VALUES VARY DEPENDING OF THE MODEL BUT MAINLY 1000
TO 1500 IN THE GA TO CAROLINA PIEDMONT. EXPECT INCREASING COVERAGE
OF SHOWERS AND STORMS LATE FRIDAY. HIGHS THURSDAY IN THE MID 80S
UPPER SAVANNAH TO THE LOWER TO MID 70S NEAR THE TRIAD. HIGHS FRIDAY
FROM LOWER 80S UPPER SAVANNAH TO UPPER 70S NW NC PIEDMONT.

&&

.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
AS OF 200 PM TUESDAY...NEW GUIDANCE CONTINUES TO SUPPORT AN
UNSETTLED WEATHER PATTERN FOR THE WEEKEND INTO THE FIRST PORTION OF
NEXT WEEK. BY EARLY IN THE WEEKEND...THE UPPER RIDGE WILL SHIFT EAST
OF THE AREA AS A CLOSED UPPER LOW MOVES SOUTHEAST FROM THE MIDWEST
INTO THE DEEP SOUTH BY MONDAY. LEANED HEAVILY ON HPC GUIDANCE WHICH
UTILIZED THE ECM/ECM ENSEMBLE MEAN EARLY ON THEN THE ECM/GFS
ENSEMBLE MEANS FOR THE LATE IN THE FORECAST PERIOD. WITH THE
SOUTHERN APPALACHIANS AND WESTERN CAROLINAS COMING UNDER INCREASING
UPPER DIVERGENCE DURING THE WEEKEND...THE LIKELY POPS SEEM
REASONABLE...WITH DAILY SOLID COVERAGE A GOOD BET THROUGH MON. A
GENERAL COOLING TREND IN TEMPERATURES IS ALSO EXPECTED DUE TO
WIDESPREAD CLOUDS/PRECIP AND LOWERING HEIGHTS.

&&

.AVIATION /00Z WEDNESDAY THROUGH SUNDAY/...
AT KCLT...CONVECTION AND ASSOCIATED RESTRICTIONS ARE STILL POSSIBLE
THIS EVENING AS UPPER SYSTEM INTERACTS WITH FRONT JUST NORTH OF THE
AIR FIELD...BUT WITH NO IMMEDIATE TREAT UPSTREAM...ONLY CB WILL BE
CARRIED IN THE TAF. GUIDANCE SHOWS WINDS TAKING ON A MORE
NORTHEASTERLY DIRECTION OVERNIGHT. SOME GUIDANCE SUPPORT FOR FOG BY
DAWN...BUT GUIDANCE HAS BEEN OVERLY AGGRESSIVE WITH FOG THE LAST FEW
NIGHT...AND VFR WILL BE MAINTAINED IN TAF...AS WILL A LOW VFR CIG.
CONVECTION WEDNESDAY AFTERNOON WILL BE TOO SCATTERED TO MENTION IN
THE TAF.

ELSEWHERE...CONVECTIVE CHANCES WILL BE GREATEST FROM KAVL TO
KGSP/KGMU THIS EVENING...WHERE BETTER INSTABILITY EXISTS IN
PROXIMITY TO THE FRONT AND THE TRACK OF THE UPPER SYSTEM. WINDS ARE
EXPECTED TO TAKE ON A NORTHEASTERLY DIRECTION OVERNIGHT. GUIDANCE
SUPPORTS MVFR IN MUCH OF THE AREA AROUND DAWN...BUT RESTRICTIONS
WILL BE RESERVED FOR THE MOST PRONE AREAS OF WESTERN NC AND KAND.
AFTERNOON CONVECTION ON WEDNESDAY WILL BE ISOLATED TO
SCATTERED...WITH CONFIDENCE TOO LOW TO MENTION IN THE TAFS.

OUTLOOK...SCATTERED CEILING AND VISIBILITY RESTRICTIONS IN
THUNDERSTORMS MOST NUMEROUS OVER MOUNTAINS AND DURING AFTERNOONS AND
EVENINGS THROUGH END OF WEEK. MORNING MVFR FOG POSSIBLE WHERE RAIN
FELL THE NIGHT BEFORE.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.

&&

SYNOPSIS...LG
NEAR TERM...CSH/JAT
SHORT TERM...DEO
LONG TERM...LG
AVIATION...JAT
Hazardous weather outlook, May 10, 3:41 PM EDT, 3 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
341 PM EDT TUE MAY 10 2011

GAZ010-017-018-026-028-029-NCZ051-058-059-062>064-SCZ001-002-004-005-
010-011-019-110300-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-SWAIN-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREATER OCONEE-GREATER PICKENS-
ANDERSON-ABBEVILLE-GREENWOOD-
341 PM EDT TUE MAY 10 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

UPPER LEVEL ENERGY WILL MOVE ACROSS THE REGION INTO TONIGHT...AIDING
IN THUNDERSTORM DEVELOPMENT AND ORGANIZATION. SOME OF THESE STORMS
WILL HAVE THE POTENTIAL TO BECOME SEVERE...PRODUCING LARGE HAIL...
DAMAGING WIND GUSTS AND POSSIBLY EVEN A TORNADO.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

NCZ033-035>037-048>050-052-053-056-057-065-068>072-082-501>510-
SCZ003-006>009-012>014-110300-
AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-HAYWOOD-
BUNCOMBE-CATAWBA-ROWAN-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-
GREENVILLE MOUNTAINS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
LAURENS-UNION SC-CHESTER-
341 PM EDT TUE MAY 10 2011

...SEVERE THUNDERSTORM WATCH 269 IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

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

   SEVERE THUNDERSTORM WATCH.

UPPER LEVEL ENERGY WILL MOVE ACROSS THE REGION INTO TONIGHT...AIDING
IN THUNDERSTORM DEVELOPMENT AND ORGANIZATION. SOME OF THESE STORMS
WILL HAVE THE POTENTIAL TO BECOME SEVERE...PRODUCING LARGE HAIL...
DAMAGING WIND GUSTS AND POSSIBLY EVEN A TORNADO.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

DEO

In the hours before

Local storm report, May 10, 6:18 PM EDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
618 PM EDT TUE MAY 10 2011

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

0555 PM     HAIL             3 NNW POLKVILLE         35.45N 81.67W
05/10/2011  E0.75 INCH       CLEVELAND          NC   TRAINED SPOTTER

&&

MCAVOY
Special weather statement, May 10, 6:19 PM EDT, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
619 PM EDT TUE MAY 10 2011

SCZ003-006-102245-
GREATER GREENVILLE-GREENVILLE MOUNTAINS-
619 PM EDT TUE MAY 10 2011

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN GREENVILLE COUNTY
THROUGH 645 PM EDT...

AT 614 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF TIGERVILLE...OR 15 MILES NORTH OF
DOWNTOWN GREENVILLE...MOVING SOUTHEAST AT 30 MPH.

THIS STORM WILL BE NEAR...
  TRAVELERS REST...
  LAKE ROBINSON...
  TAYLORS...

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

LAT...LON 3485 8246 3501 8255 3501 8254 3502 8255
      3507 8257 3512 8261 3518 8246 3516 8245
      3519 8242 3520 8238 3518 8237 3520 8228
      3502 8222 3491 8223

LG
Local storm report, May 10, 6:46 PM EDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
646 PM EDT TUE MAY 10 2011

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

0635 PM     HAIL             3 S TIGERVILLE          35.03N 82.38W
05/10/2011  E1.00 INCH       GREENVILLE         SC   NWS EMPLOYEE

            HAIL COVERING THE GROUND.

&&

MCAVOY
Local storm report, May 10, 6:53 PM EDT, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
653 PM EDT TUE MAY 10 2011

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

0647 PM     HAIL             3 NW TAYLORS            34.95N 82.35W
05/10/2011  E1.75 INCH       GREENVILLE         SC   AMATEUR RADIO

            INTERSECTION OF SANDY FLAT RD AND LYNN RD

&&

RWH
Local storm report, May 10, 6:59 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
659 PM EDT TUE MAY 10 2011

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

0633 PM     HAIL             TIGERVILLE              35.07N 82.37W
05/10/2011  E1.25 INCH       GREENVILLE         SC   PUBLIC

            HAIL FELL FROM 633 PM TO 645 PM

&&

RWH
Local storm report, May 10, 7:04 PM EDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
704 PM EDT TUE MAY 10 2011

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

0700 PM     HAIL             7 E CAMPOBELLO          35.12N 82.03W
05/10/2011  E1.00 INCH       SPARTANBURG        SC   TRAINED SPOTTER

&&

LG

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 5:44 PM EDTSevere Thunderstorm WarningGSPCherokee31 min
May 10, 6:19 PM EDTSpecial Weather StatementGSPGreenville26 min
May 10, 6:25 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg65 min
May 10, 6:44 PM EDTSevere Thunderstorm WarningGSPSpartanburg31 min
May 10, 6:51 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg39 min
May 10, 7:54 PM EDTSevere Thunderstorm WarningGSPGreenville, Greenwood, Laurens57 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2011Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.