Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 126, NWS Greenville-Spartanburg, SC

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

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 10, 2011, 6:25 PM EDT for Greenville County, Spartanburg County, South Carolina. It was in force for 65 min. 12 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, 6:25 PM EDT (22:25 UTC)
Expired
May 10, 2011, 7:30 PM EDT
In force
65 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Greenville County, SC, Spartanburg County, SC

The radar

The Greer radar (KGSP), 9 km from the middle of the area, began a volume at 22:27 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, 6:33 PM EDTHAIL 1.25Tigerville, SCHAIL FELL FROM 633 PM TO 645 PM
May 10, 6:35 PM EDTHAIL 13 S Tigerville, SCHAIL COVERING THE GROUND.
May 10, 6:40 PM EDTHAIL 33 S Tigerville, SCOFF DUTY NWS EMPLOYEE REPORTS NUMEROUS DENTS IN VEHICLES...LOTS OF LEAF DEBRIS...AND SEVERAL BRANCHES DOWN FROM THE HAIL.
May 10, 6:47 PM EDTHAIL 1.753 Nw Taylors, SCINTERSECTION OF SANDY FLAT RD AND LYNN RD
May 10, 6:50 PM EDTHAIL 1.252 Sw Taylors, SCHAIL UP TO HALF DOLLAR SIZE AT THE WAFFLE HOUSE. FELL FROM 650 TO 711 PM.
May 10, 6:55 PM EDTHAIL 1.255 Nne Greenville, SCHAIL FELL AT WADE HAMPTON AND WATSON ROADS.
May 10, 7:00 PM EDTHAIL 13 Nnw Taylors, SCLARGEST HAIL WAS THE SIZE OF A QUARTER. SHREDDED LEAVES.
May 10, 7:00 PM EDTHAIL 1.54 Ne Greenville, SCCOCORAHS OBSERVER REPORTS QUARTER TO PING PONG BALL SIZED HAIL.
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, 7:31 PM EDTHAIL 0.752 N Mauldin, SC

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 10 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.4 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, Greensboro/Hi Pt, NC at 12:00Z on 2011-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2011-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1295 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

340 
WUUS52 KGSP 102225
SVRGSP
SCC045-083-102330-
/O.NEW.KGSP.SV.W.0126.110510T2225Z-110510T2330Z/

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

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL SPARTANBURG COUNTY IN UPSTATE SOUTH CAROLINA...
  NORTHEASTERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 730 PM EDT

* AT 623 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL...
  AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED
  NEAR TIGERVILLE...OR 15 MILES NORTH OF DOWNTOWN GREENVILLE...MOVING
  SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LAKE ROBINSON AND TRAVELERS REST...
  PARIS MOUNTAIN STATE PARK...
  TAYLORS AND CHERRYDALE POINT...
  GREER...
  
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.

THE MAIN THREAT WITH THIS SEVERE THUNDERSTORM IS DAMAGING HAIL TO THE
SIZE OF ***SIZE***. HAIL OF THIS SIZE CAN CAUSE INJURY AND
SIGNIFICANT DAMAGE TO PROPERTY. IF POSSIBLE...MOVE VEHICLES AND OTHER
VALUABLE PROPERTY INSIDE OR UNDERNEATH A CARPORT BEFORE THE STORM
ARRIVES.

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 3487 8210 3478 8237 3508 8250 3518 8230
TIME...MOT...LOC 2224Z 328DEG 23KT 3507 8237

$$
LG
2 follow-up statements
045 
WWUS52 KGSP 102254
SVSGSP

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

SCC045-083-102330-
/O.CON.KGSP.SV.W.0126.000000T0000Z-110510T2330Z/
SPARTANBURG SC-GREENVILLE SC-
654 PM EDT TUE MAY 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR CENTRAL GREENVILLE AND WEST CENTRAL SPARTANBURG COUNTIES...

AT 648 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR LAKE ROBINSON...OR 11 MILES NORTH OF DOWNTOWN
GREENVILLE...MOVING SOUTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TAYLORS...GREER...HAYWOOD MALL...GSP AIRPORT...PELHAM ROAD AT I-85
AND SHOPS AT GREENRIDGE

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 3501 8243 3507 8223 3487 8210 3478 8237
TIME...MOT...LOC 2254Z 328DEG 23KT 3498 8233

$$
LG
962 
WWUS52 KGSP 102310
SVSGSP

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

SCC045-083-102330-
/O.CON.KGSP.SV.W.0126.000000T0000Z-110510T2330Z/
SPARTANBURG SC-GREENVILLE SC-
710 PM EDT TUE MAY 10 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR CENTRAL GREENVILLE AND WEST CENTRAL SPARTANBURG COUNTIES...

AT 709 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 PELHAM ROAD
AT I-85...OR 7 MILES EAST OF DOWNTOWN GREENVILLE...MOVING SOUTHEAST
AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SHOPS
AT GREENRIDGE

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 3501 8243 3507 8223 3487 8210 3478 8237
TIME...MOT...LOC 2310Z 333DEG 19KT 3487 8227

$$

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, 5:41 PM EDT, 44 minutes earlier.

Area forecast discussion, May 10, 5:41 PM EDT, 44 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
541 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/...
2140 UPDATE...POPS...SKY COVER...AND QPF HAVE BEEN RAISED IN THE
SOUTHERN FOOTHILLS AND BLUE RIDGE OF NC...AND ADJACENT AREAS OF
UPSTATE SC...BASED ON RADAR TRENDS.

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 /22Z TUESDAY THROUGH SUNDAY/...
AT KCLT...STILL EXPECTING THE WINDS TO COME AROUND TO LIGHT
SOUTHERLY THIS AFTERNOON AS VFR LVL CU DEVELOPS. TSTM CHANCES
TO INCREASE BY EARLY EVENING AND HAVE TIMED THE GREATEST THREAT
BTW 23 AND 01Z. IT REMAINS TO BE SEEN JUST HOW MUCH ADDITIONAL
ACTIVITY REFORMS UPSTREAM OVERNIGHT...LEADING TO A SMALL OVERNIGHT
DEEP CONVECTIVE POTENTIAL...BUT FOR NOW...WILL NOT INCLUDE ANY
OVERNIGHT PCPN CHANCES. IN THE WAKE OF CONVECTIVE COMPLEXES...
WINDS SHOULD SHIFT BACK TO NORTHERLY BY MORNING AND THERE IS THE
POSSIBILITY OF MVFR LOW CLOUDS DRIFTING OUR WAY.

ELSEWHERE...TSTM CHANCES STEADILY INCREASE FROM MID-AFTERNOON
ONWARD...ESPECIALLY ACRS THE NORTHEAST FA...WHERE NUMEROUS TSTMS
ARE EXPECTED TO OCCUR. VARYING DEGREES OF DEBRIS CLOUDS AND LATE
NIGHT/EARLY MORNING LOWER CLOUDS ARE ON TAP FOR TONIGHT WITH MOSTLY
MVFR VSBY RESTRICTIONS.

OUTLOOK...SCATTERED CEILING AND VISIBILITY RESTRICTIONS IN
THUNDERSTORMS MOST NUMEROUS OVER MOUNTAINS AND DURING AFTERNOONS AND
EVENINGS WEDNESDAY THROUGH END OF WEEK.

&&

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

&&

SYNOPSIS...LG
NEAR TERM...CSH/JAT
SHORT TERM...DEO
LONG TERM...LG
AVIATION...CSH
Hazardous weather outlook, May 10, 3:41 PM EDT, 2 hours 44 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, 5:36 PM EDT, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
536 PM EDT TUE MAY 10 2011

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

0501 PM     HAIL             3 S MORGANTON           35.70N 81.70W
05/10/2011  E1.25 INCH       BURKE              NC   PUBLIC

            SALEM COMMUNITY

&&

RWH
Local storm report, May 10, 5:50 PM EDT, 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
550 PM EDT TUE MAY 10 2011

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

0540 PM     HAIL             3 SW CASAR              35.48N 81.66W
05/10/2011  E1.00 INCH       CLEVELAND          NC   TRAINED SPOTTER

&&

RWH
Local storm report, May 10, 5:51 PM EDT, 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
551 PM EDT TUE MAY 10 2011

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

0455 PM     HAIL             5 SSW MORGANTON         35.68N 81.73W
05/10/2011  M1.50 INCH       BURKE              NC   TRAINED SPOTTER

            HAIL COVERED THE GROUND. VERY LITTLE RAIN.

&&

MCAVOY
Special weather statement, May 10, 5:51 PM EDT, 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
551 PM EDT TUE MAY 10 2011

NCZ065-509-510-SCZ003-007-102215-
EASTERN POLK-GREENVILLE MOUNTAINS-HENDERSON-POLK
MOUNTAINS-SPARTANBURG-
551 PM EDT TUE MAY 10 2011

...STRONG THUNDERSTORMS WERE DEVELOPING OVER NORTHERN
GREENVILLE...NORTHWESTERN SPARTANBURG...SOUTHERN HENDERSON AND
WESTERN POLK COUNTIES THROUGH 615 PM EDT...

AT 545 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORMS DEVELOPING 5 MILES WEST OF TUXEDO...OR 8 MILES
SOUTH OF HENDERSONVILLE...MOVING SOUTHEAST AT 15 MPH.

THIS STORM WILL BE NEAR...
  JONES GAP STATE PARK...
  NORTH SALUDA RESERVOIR...
  TRYON...
  TIGERVILLE...

THESE STORMS MAY PRODUCE DIME SIZED HAIL AND WIND GUSTS TO 30 MPH.

LAT...LON 3510 8204 3500 8254 3501 8254 3501 8258
      3506 8260 3507 8257 3508 8260 3514 8262
      3514 8258 3519 8260 3525 8261 3537 8213

LG
Local storm report, May 10, 6:18 PM EDT, 7 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, 6 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

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, 6:44 PM EDTSevere Thunderstorm WarningGSPSpartanburg31 min
May 10, 6:51 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg39 min
May 10, 7:08 PM EDTSevere Thunderstorm WarningGSPGreenville, Laurens, Spartanburg52 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.