Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 213, NWS Greenville-Spartanburg, SC

May 27, 2011Chester County, York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 27, 2011, 2:52 PM EDT for Chester County, York County, South Carolina. It was in force for 53 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
May 27, 2011, 2:52 PM EDT (18:52 UTC)
Expired
May 27, 2011, 3:45 PM EDT
In force
53 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Chester County, SC, York County, SC

The radar

The Greer radar (KGSP), 108 km from the middle of the area, began a volume at 18:54 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, 6.9 hours before the alert went out and 165 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 2011-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 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 2011-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
31 J/kg
Mixed-layer CIN
-292 J/kg
Mixed-layer LCL
831 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
106 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.

754 
WUUS52 KGSP 271852
SVRGSP
SCC023-091-271945-
/O.NEW.KGSP.SV.W.0213.110527T1852Z-110527T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
252 PM EDT FRI MAY 27 2011

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CHESTER COUNTY IN UPSTATE SOUTH CAROLINA...
  EASTERN YORK COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 345 PM EDT

* AT 252 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 4 MILES
  NORTHEAST OF CHESTER...MOVING NORTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RICHBURG...
  EDGEMOOR...
  ROCK HILL...CATAWBA...FORT MILL AND TEGA CAY...

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.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FRIDAY
EVENING FOR CENTRAL NORTH CAROLINA.

&&

LAT...LON 3463 8114 3475 8130 3509 8108 3508 8105
      3506 8106 3505 8104 3506 8102 3499 8088
      3495 8086 3484 8086
TIME...MOT...LOC 1852Z 220DEG 14KT 3476 8115

$$

HG
3 follow-up statements
428 
WWUS52 KGSP 271905
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
305 PM EDT FRI MAY 27 2011

SCC023-091-271945-
/O.CON.KGSP.SV.W.0213.000000T0000Z-110527T1945Z/
CHESTER SC-YORK SC-
305 PM EDT FRI MAY 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN YORK AND NORTHEASTERN CHESTER COUNTIES...

AT 305 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 EDGEMOOR...OR 8 MILES NORTHEAST OF CHESTER...MOVING 
NORTHEAST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROCK 
HILL...CATAWBA...TEGA CAY AND FORT MILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FRIDAY
EVENING FOR CENTRAL NORTH CAROLINA.

&&

LAT...LON 3474 8099 3466 8110 3479 8125 3505 8104
      3506 8102 3499 8088 3495 8086 3484 8086
TIME...MOT...LOC 1905Z 227DEG 15KT 3479 8110

$$

HG
169 
WWUS52 KGSP 271931
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
331 PM EDT FRI MAY 27 2011

SCC023-091-271945-
/O.CON.KGSP.SV.W.0213.000000T0000Z-110527T1945Z/
CHESTER SC-YORK SC-
331 PM EDT FRI MAY 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN YORK AND NORTHEASTERN CHESTER COUNTIES...

AT 330 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS 
OF 60 MPH. THIS STORM WAS LOCATED NEAR EDGEMOOR...OR 10 MILES SOUTH 
OF ROCK HILL...MOVING NORTHEAST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT 
MILL AND CATAWBA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE IN THE PATH OF THIS STORM 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FRIDAY
EVENING FOR CENTRAL NORTH CAROLINA.

&&

LAT...LON 3474 8099 3470 8104 3484 8113 3502 8094
      3499 8088 3495 8086 3484 8086
TIME...MOT...LOC 1930Z 243DEG 13KT 3480 8098

$$

HG
573 
WWUS52 KGSP 271945
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
345 PM EDT FRI MAY 27 2011

SCC023-091-271954-
/O.EXP.KGSP.SV.W.0213.000000T0000Z-110527T1945Z/
CHESTER SC-YORK SC-
345 PM EDT FRI MAY 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN YORK AND
NORTHEASTERN CHESTER COUNTIES WILL EXPIRE AT 345 PM EDT...

AT 344 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE SEVERE 
THUNDERSTORM WAS MOVING EAST OF YORK AND CHESTER COUNTIES AND 
WEAKENING. THE WARNING WILL BE ALLOWED TO EXPIRE ON SCHEDULE AT 345 
PM EDT.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FRIDAY
EVENING FOR CENTRAL NORTH CAROLINA.

LAT...LON 3474 8099 3470 8104 3484 8113 3502 8094
      3499 8088 3495 8086 3484 8086
TIME...MOT...LOC 1944Z 243DEG 13KT 3482 8092

$$

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 May 27, 2:48 PM EDT, 4 minutes earlier.

Area forecast discussion, May 27, 2:48 PM EDT, 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
248 PM EDT FRI MAY 27 2011

.SYNOPSIS...
A STATIONARY FRONT WILL CONTINUE TO DISSIPATE OVER THE REGION
THROUGH SATURDAY. AN UPPER LEVEL RIDGE WILL BUILD OVER OUR REGION
AND CREATE SUMMER LIKE WEATHER THROUGH MUCH OF NEXT WEEK. THE NEXT
FRONTAL BOUNDARY IS EXPECTED TO APPROACH FROM THE NORTH LATE IN THE
WEEK.

&&

.NEAR TERM /THROUGH SATURDAY/...
AT 1830Z...A SVR TSTM WATCH REMAINS IN EFFECT FOR THE ERN FRINGE
COUNTIES EAST OF I-77 UNTIL 7 PM. NUMEROUS SHWRS AND TSTMS EXPECTED
TO CONTINUE TO DEVELOP ACRS THE FA THRU THE AFTN. BEST SHEAR/INSTBY
AND UPPER SUPPORT HAVE ALL SHIFTED EAST OF THE CWFA. SO MOST
CONVECTION WILL BE GARDEN VARIETY. HOWEVER...ISOLD SVR TSTMS
PRODUCING QUARTER-SIZED HAIL AND/OR GUSTS TO 60 MPH CANNOT BE RULED
OUT ACRS THE PIEDMONT THRU THE AFTN. TEMPS ARE STILL COOL WHERE RAIN
HAS FALLEN. VERY MOIST LLVLS HAVE RESULTED IN STUBBORN STRATUS ACRS
MUCH OF THE UPSTATE AND NC FOOTHILLS NEAR THE BLUE RIDGE. SO TEMPS
ARE STILL IN THE UPR 60S TO LWR 70S ACRS MUCH OF THE AREA.

TONIGHT...SHORTWAVE WILL EXIT THE AREA AS AN UPPER TROF LIFTS NE.
UPPER HEIGHTS WILL RISE IN EARNEST THRU THE NEAR TERM...RESULTING IN
DROP IN POPS THRU THE NGT. WITH THAT SAID...LLVLS REMAIN VERY MOIST
AND LINGERING INSTBY WILL REMAIN ALONG I-77 CORRIDOR THRU THE NGT.
STORMS HAVE BEEN ORGANIZING INTO SLOW-MOVING LINES ORIENTED N-S ACRS
THE CAROLINAS AND ERN GA. THE NAM AND GFS AGREE ON THE AXIS OF
1.5-1.75" PWATS REMAINING EAST OF THE FA. AND THE WRN-MOST TSTM
CLUSTERS HAVE MORE MOVEMENT. SO THINK FLOOD THREAT IS STILL TOO LOW
TO WARRANT A FLASH FLOOD WATCH ATTM. TRENDS IN CONVECTION TO OUR
SOUTH WILL BE MONITORED INTO THE EVENING. OTHERWISE...CLOUDS ARE
EXPECTED TO FILL IN WITHIN LIGHT MOIST S FLOW. TEMPS WILL REMAIN
MILD IN THE 50S MTNS AND 60S PIEDMONT.

SATURDAY...DESPITE RIDGE BUILDING IN FROM THE WEST...LLVL MOISTURE
WILL LINGER ACRS THE AREA IN A SLY FLOW. FCST SNDGS SHOW 1000-2000
J/KG OF CAPE WITH DAYTIME HEATING. SHEAR WILL BE VERY WEAK...AND
LLVL FOCUS FOR CONVECTION WILL BE WEAK AS WELL. WITH SUBSIDENCE
DOMINATING...THINK THERE WILL BE JUST ISOLD-SCT CONVECTION DUE TO
WEAK UPSLOPE AND MTN-TOP CONVERGENCE. THE LOW-END CHC POP LOOKS
GOOD. THE 925 MB FLOW WILL BACK TO SELY...AND THIS MAY RESULT IN
STUBBORN STRATUS WELL INTO THE DAY. BUT STILL THINK CLOUDS SHUD
SCATTER OUT AND ALLOW FOR TEMPS TO REBOUND INTO THE MID 80S.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
AS OF 215 PM FRIDAY... MODELS ARE CONSISTENT IN DEVELOPING A DEEP
LAYER RIDGE OVER THE EASTERN U.S. DURING THE WEEKEND WITH THE CENTER
ENDING UP NORTH OF THE AREA BY LATE SUNDAY. AT THE SURFACE...THIS
WILL ALLOW THE SUBTROPICAL RIDGE OVER THE WESTERN ATLANTIC TO BUILD
WESTWARD INTO THE WESTERN CAROLINAS AND SOUTHERN APPALACHIANS. EVEN
WITH THE DEEP LAYER RIDGING...THE FORECAST IS NOT WITHOUT A COUPLE
COMPLICATIONS. MODELS INDICATE THAT WITH SE FLOW DEVELOPING OVER THE
AREA BY EARLY SUNDAY THAT LOW LEVEL MOISTURE WILL INCREASE UNDER THE
INVERSION RESULTING IN SOME LOW CLOUDINESS EARLY SUNDAY OVER A LARGE
PORTION OF THE FORECAST AREA. WITH HEATING...EXPECT THE CLOUDS TO
LIFT/SCATTER BY EARLY AFTERNOON. MODEL SOUNDINGS INDICATE THAT CIN
COULD BE OVERCOME IN A FEW PLACES ALLOWING FOR SOME ISOLATED
SHOWERS/THUNDERSTORMS OVER THE PIEDMONT. WITH THE SE/UPSLOPE
FLOW...WIDELY SCATTERED SHOWERS/THUNDERSTORMS ARE EXPECTED OVER THE
FAVORED MOUNTAIN AREAS. ANY CONVECTION WILL BE HIGHLY DIURNAL IN
NATURE AND DISSIPATE QUICKLY SUN EVENING. LOOKS LIKE MOISTURE WILL
BE LESS ON MON...BUT WITH SE FLOW SOME WIDELY SCATTERED
SHOWERS/THUNDERSTORMS WILL BE POSSIBLE OVER THE MOUNTAINS DURING THE
AFTERNOON. VERY WARM TEMPS WILL BE THE RULE WITH MAX TEMPS A GOOD
10+ DEGREES ABOVE CLIMO.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
AS OF NOON FRIDAY...A DOMINANT RIDGE WILL REMAIN ACROSS THE SRN
STATES TUE THROUGH WED...WITH THE RIDGE CENTER RETROGRADING FROM THE
OH VALLEY TO TX THROUGH THE PERIOD. UNSEASONABLY HOT CONDITIONS WILL
PERSIST. LINGERING LOW LEVEL MOISTURE UNDER THE RIDGE COULD ALLOW
ISOLATED TO SCATTERED DIURNAL MTN CONVECTION TO DEVELOP EACH DAY.
MODEL DIFFERENCES BEGIN TO SHOW UP THU AS AN ERN CANADIAN LOW DIGS
TOWARD NEW ENGLAND. THE GFS IS FASTER THAN THE ECM TO LOWER HEIGHTS
ALONG THE EAST COAST. A MODEL BLEND OF THE TWO TOWARD ENSEMBLE
VALUES WILL BE PREFERRED. THIS SHOULD ALLOW A BACKDOOR COLD FRONT TO
REACH THE FORECAST AREA THU INTO FRI. HEIGHTS MAY FALL ENOUGH ALONG
THE E COAST BY FRI TO POSSIBLY ALLOW ANY MCS ACTIVITY OVER THE
MIDWEST TO RIDE DOWN THE ERN SIDE OF THE RIDGE TOWARD THE FORECAST
AREA. MAINLY DIURNAL CHC POPS WILL BE FEATURED THU THROUGH
FRI...WITH TEMPERATURES COOLING A COUPLE OF CATEGORIES.

&&

.AVIATION /19Z FRIDAY THROUGH WEDNESDAY/...
AT KCLT...A DISSIPATING COLD POOL FROM TSTM CLUSTER THAT AFFECTED
THE TERMINAL EARLIER WILL KEEP A N WND AT THE TERMINAL FOR PERHAPS
ANOTHER HOUR OR TWO. THE BEST GUESS FROM THERE ON IS FOR THE WIND TO
REMAIN LIGHT (GENERALLY LESS THAN 5 KTS) AND VEER TO E...THEN S BY
00Z. OTHERWISE...THE MAIN CONCERN WILL BE ADDITIONAL CONVECTION THAT
WILL CONTINUE TO DEVELOP TO THE SW OF THE TERMINAL AND MOVE INTO THE
AREA IN THE 20Z TO 02Z TIME FRAME (PERHAPS HIGH RES MODELS). THO
COVERAGE SHUD BE WIDESPREAD...THE INTENSITY IS EXPECTED TO BE
GENERALLY GARDEN VARIETY TSTMS. WILL KEEP CB AND SHRA MENTION THRU
03Z. FOR THE REST OF THE NIGHT LIGHT WINDS AND MOIST LOW LEVELS WILL
SUPPORT STRATUS DEVELOPMENT. MODEL CONSENSUS IS FOR MVFR CIGS BY
ARND 09Z. THESE CLOUDS WILL SCATTER AND LIFT TO VFR AFTER DAYBREAK
(BY 15-16Z). A FEW SHRA/TSRA MAY DEVELOP AGAIN SATURDAY AFTN...BUT
BE CONFINED MAINLY TO THE NC MTNS.

ELSEWHERE...COVERAGE OF SHRA/TSRA IS INCREASING...SO SHRA/CB MENTION
FOR THE NEXT FEW HOURS. OVERALL INTENSITY OF CONVECTION IS EXPECTED
TO BE MODEST. MVFR CIGS ARE SLOW TO LIFT...BUT ARE STILL EXPECTED TO
REACH VFR WITHIN NEXT 2-3 HOURS AT ALL SITES. THERE IS A CHC THAT
CLOUDS DO NOT SCATTER OUT ENUF...AND THAT MAY RESULT IN MVFR/IFR
CIGS FILLING BACK IN QUICKLY AFTER SUNSET. BUT THE CURRENT MODEL
CONSENSUS IS FOR VFR UNTIL AFTER MIDNIGHT...THEN CIGS LOWER TO MVFR
AND LIKELY IFR IN SPOTS BY DAYBREAK. CLOUDS ARE EXPECTED TO SCATTER
AND LIFT TO VFR AT ALL SITES IN THE 14-16Z TIME FRAME. WINDS WILL BE
LIGHT...BUT LOW CLOUDS SHUD KEEP FOG POTENTIAL TO A MINIMUM (EXCEPT
BEST CHC IN MTN VLYS). KAVL WILL HAVE THE HIGHEST CHC OF SHRA/TSRA
SATURDAY AFTN. FOR NOW...TOO LOW FOR ANY MENTION.

OUTLOOK...A DRY AND WARM AIR MASS IS EXPECTED TO SETTLE OVER THE
FORECAST AREA THIS WEEKEND AND WILL REMAIN INTO THE MID WEEK.
DIURNAL SHRA/TSRA ARE POSSIBLE EACH AFTERNOON AND EVENING ACROSS THE
MTNS AND ADJACENT FOOTHILLS.

&&

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

&&

SYNOPSIS...BSH
NEAR TERM...ARK
SHORT TERM...LG
LONG TERM...HG
AVIATION...ARK
Hazardous weather outlook, May 27, 12:15 PM EDT, 2 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1215 PM EDT FRI MAY 27 2011

GAZ010-017-018-026-028-029-NCZ033-035-036-048>053-056-058-059-
062>065-068>071-501>510-SCZ001>014-019-281615-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-
IREDELL-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-
GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-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-
1215 PM EDT FRI MAY 27 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NUMEROUS SHOWERS AND THUNDERSTORMS WILL AFFECT THE WESTERN
CAROLINAS AND NORTHEAST GEORGIA TODAY. THE WIND SHEAR AND
INSTABILITY WILL BE WEAKER OVER THE REGION TODAY THAN ON
THURSDAY...WHICH WILL LIMIT THE POTENTIAL FOR SEVERE STORMS.
HOWEVER...A FEW OF THE STORMS WILL STILL BE CAPABLE OF
PRODUCING LARGE HAIL AND LOCALIZED AREAS OF DAMAGING WINDS. THE
BEST CHANCE FOR SEVERE STORMS WILL BE OVER THE PIEDMONT TODAY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

NCZ037-057-072-082-281615-
DAVIE-ROWAN-CABARRUS-UNION NC-
1215 PM EDT FRI MAY 27 2011

...SEVERE THUNDERSTORM WATCH 387 IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

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.

 SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

ARK

In the hours before

Special weather statement, May 27, 1:45 PM EDT, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
145 PM EDT FRI MAY 27 2011

GAZ029-SCZ011-271815-
ABBEVILLE-ELBERT-
145 PM EDT FRI MAY 27 2011

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN ELBERT AND SOUTHERN
ABBEVILLE COUNTIES THROUGH 215 PM EDT...

AT 144 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR NORMAN...OR 11 MILES SOUTHEAST OF
ELBERTON...MOVING NORTHEAST AT 30 MPH.

THIS STORM WILL BE NEAR...
  CALHOUN FALLS...

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.

LAT...LON 3398 8266 3397 8279 3398 8283 3402 8286
      3428 8247 3409 8231 3405 8240 3406 8246
      3407 8248 3407 8253 3401 8259 3397 8257
      3396 8258

HG
Special weather statement, May 27, 2:18 PM EDT, 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
218 PM EDT FRI MAY 27 2011

NCZ082-271845-
UNION-
218 PM EDT FRI MAY 27 2011

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN UNION COUNTY
THROUGH 245 PM EDT...

AT 215 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES SOUTHWEST OF TRINITY...OR 12 MILES
NORTHEAST OF LANCASTER...MOVING NORTHEAST AT 20 MPH.

THIS STORM WILL BE NEAR...
  WINGATE...

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.

LAT...LON 3480 8042 3481 8070 3482 8070 3507 8049
      3494 8030 3491 8030

HG
Special weather statement, May 27, 2:34 PM EDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
234 PM EDT FRI MAY 27 2011

SCZ019-271915-
GREENWOOD-
234 PM EDT FRI MAY 27 2011

...A STRONG THUNDERSTORM WILL AFFECT GREENWOOD COUNTY THROUGH 315 PM
EDT...

AT 234 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES SOUTHWEST OF CALLISON...OR 16 MILES SOUTH
OF GREENWOOD...MOVING NORTH AT 20 MPH.

THIS STORM WILL BE NEAR...
  CALLISON...
  CALLISON...
  GREENWOOD...

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

LAT...LON 3401 8224 3397 8230 3398 8231 3410 8228
      3416 8224 3423 8225 3435 8222 3430 8209
      3422 8196 3397 8207 3398 8216 3397 8219

HG
Special weather statement, May 27, 2:36 PM EDT, 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
236 PM EDT FRI MAY 27 2011

SCZ011-271900-
ABBEVILLE-
236 PM EDT FRI MAY 27 2011

...STRONG THUNDERSTORMS WILL AFFECT EASTERN ABBEVILLE COUNTY THROUGH
300 PM EDT...

AT 236 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES SOUTH OF DUE
WEST TO 8 MILES WEST OF MCCORMICK...MOVING EAST AT 20 MPH.

PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE
STORMS.

LAT...LON 3406 8246 3408 8249 3433 8246 3436 8231
      3434 8233 3432 8231 3428 8231 3422 8225
      3414 8225 3411 8227 3406 8233

HG
Special weather statement, May 27, 2:42 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
242 PM EDT FRI MAY 27 2011

SCZ009-014-271915-
CHESTER-YORK-
242 PM EDT FRI MAY 27 2011

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL CHESTER AND SOUTHERN
YORK COUNTIES THROUGH 315 PM EDT...

AT 242 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR CHESTER...MOVING NORTHEAST AT 10 MPH.

THIS STORM WILL BE NEAR...
  LOWRYS...
  LOWRYS...
  MCCONNELLS...

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.

LAT...LON 3496 8120 3485 8096 3461 8115 3470 8134

HG
Local storm report, May 27, 2:51 PM EDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
251 PM EDT FRI MAY 27 2011

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

1002 PM     TSTM WND DMG     6 ENE CLOVER            35.15N 81.13W
05/26/2011                   YORK               SC   TRAINED SPOTTER

            TREES AND POWERLINES DOWN BLOCKING THE ROADWAY NEAR THE
            INTERSECTION OF OAK RIDGE ROAD AND HW-557.

&&

BSH

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 8:05 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson, Cherokee, Greenville, Laurens, Pickens and 1 more55 min
May 26, 8:32 PM EDTSevere Thunderstorm WarningGSPAbbeville, Anderson, Greenville, Greenwood, Laurens58 min
May 26, 8:56 PM EDTSevere Thunderstorm WarningGSPCherokee, Laurens, Spartanburg, Union, York64 min
May 26, 9:03 PM EDTSevere Thunderstorm WarningGSPGreenwood, Laurens57 min
May 26, 9:23 PM EDTSevere Thunderstorm WarningGSPCherokee, Chester, Union, York67 min
May 26, 9:52 PM EDTTornado WarningGSPYork38 min
May 27, 1:06 AM EDTSpecial Weather StatementGSPChester24 min
May 27, 9:11 AM EDTSpecial Weather StatementGSPGreenwood, Laurens, Union64 min
May 27, 10:16 AM EDTSpecial Weather StatementGSPChester, Union, York44 min
May 27, 11:00 AM EDTSpecial Weather StatementGSPCherokee, Chester, York45 min
May 27, 11:09 AM EDTSpecial Weather StatementGSPSpartanburg36 min
May 27, 12:06 PM EDTSpecial Weather StatementGSPCherokee24 min
May 27, 1:45 PM EDTSpecial Weather StatementGSPAbbeville30 min
May 27, 2:34 PM EDTSpecial Weather StatementGSPGreenwood41 min
May 27, 2:36 PM EDTSpecial Weather StatementGSPAbbeville24 min
May 27, 2:42 PM EDTSpecial Weather StatementGSPChester33 min
May 27, 3:02 PM EDTSpecial Weather StatementGSPGreenwood28 min
May 27, 3:28 PM EDTSpecial Weather StatementGSPUnion32 min
May 27, 4:20 PM EDTSpecial Weather StatementGSPChester25 min
May 27, 4:26 PM EDTSevere Thunderstorm WarningGSPChester, York64 min
May 27, 4:41 PM EDTSevere Thunderstorm WarningGSPYork64 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.