Alert archive / North Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 210, NWS Greenville-Spartanburg, SC

May 26, 20116 counties in North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 26, 2011, 10:26 PM EDT for 6 counties in North Carolina. It was in force for 64 min. 3 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 26, 2011, 10:26 PM EDT (02:26 UTC)
Expired: May 26, 2011, 11:30 PM EDT
In force: 64 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Cabarrus County, NC, Davie County, NC, Iredell County, NC, Mecklenburg County, NC, Rowan County, NC, Union County, NC

The radar

The Greer radar (KGSP), 155 km from the middle of the area, began a volume at 02:29 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

Time	Report	Where	Remark
May 26, 10:28 PM EDT	TSTM WND DMG	4 Wsw Mooresville, NC	TREE ON A POWER LINE AT ISLAND FOREST LN AND BRAWLEY SCHOOL RD.
May 26, 10:30 PM EDT	TSTM WND DMG	2 Ssw Troutman, NC	TREE DOWN AT PERTH AND STATE PARK ROAD.
May 26, 10:56 PM EDT	TSTM WND DMG	8 Wnw Mocksville, NC	SPOTTER REPORTS NUMEROUS TREES BLOWN DOWN IN THE SHEFFIELD COMMUNITY. ESTIMATED 75 MPH WINDS.

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 3 storm reports to this severe thunderstorm warning; the first came 2 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.

Issued	Product	Office	Lasted
May 26, 5:10 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.4 hours before the alert went out and 98 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 758 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1903 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

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

428 
WUUS52 KGSP 270226
SVRGSP
NCC025-059-097-119-159-179-270400-
/O.NEW.KGSP.SV.W.0210.110527T0226Z-110527T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1026 PM EDT THU MAY 26 2011

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CABARRUS COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  DAVIE COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  IREDELL COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  UNION COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  ROWAN COUNTY IN THE PIEDMONT OF NORTH CAROLINA...

* UNTIL MIDNIGHT EDT

* AT 1025 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM LOVE VALLEY TO 5 MILES WEST OF CORNELIUS TO
  WEDDINGTON...OR ALONG A LINE EXTENDING FROM 11 MILES NORTHEAST OF
  TAYLORSVILLE TO 16 MILES EAST OF LINCOLNTON TO 12 MILES WEST OF
  MONROE...MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LOVE VALLEY AND CROFT...
  MINERAL SPRINGS AND EASTLAND MALL...
  UNC CHARLOTTE AND DAVIDSON...
  UNION GROVE AND MOORESVILLE...
  CHARLOTTE MOTOR SPEEDWAY AND TURNERSBURG...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS LINE OF SEVERE THUNDERSTORMS IS CAPABLE OF PRODUCING WIND SPEEDS
OF 60 TO 75 MPH. THESE WINDS CAN TOPPLE TREES AND POWER LINES. SEEK
SHELTER ON THE LOWEST LEVEL OF YOUR HOME OR OFFICE BUILDING. AVOID
ROOMS THAT MAY BE DAMAGED BY FALLING TREES. IF DRIVING...PULL OVER IN
A CLEAR AREA AWAY FROM LARGE TREES AND POWER POLES.

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 3550 8030 3519 8050 3519 8027 3481 8032
      3482 8080 3494 8079 3511 8094 3510 8095
      3530 8101 3536 8092 3537 8098 3562 8093
      3578 8111 3591 8102 3605 8102 3607 8046
      3596 8037 3574 8045 3573 8034 3552 8018
TIME...MOT...LOC 0226Z 270DEG 25KT 3600 8101 3550 8095
          3504 8075

$$

RWH

4 follow-up statements

907 
WWUS52 KGSP 270302
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1102 PM EDT THU MAY 26 2011

NCC025-119-179-270312-
/O.CAN.KGSP.SV.W.0210.000000T0000Z-110527T0400Z/
CABARRUS NC-MECKLENBURG NC-UNION NC-
1102 PM EDT THU MAY 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR UNION...MECKLENBURG AND
CABARRUS COUNTIES IN THE PIEDMONT OF NORTH CAROLINA IS CANCELLED...

THE STORMS HAVE MOVED NORTHEAST OF THESE COUNTIES.

LAT...LON 3550 8037 3552 8090 3549 8095 3562 8093
      3570 8099 3578 8111 3586 8104 3594 8101
      3605 8102 3605 8049 3607 8046 3596 8037
      3583 8042 3582 8047 3574 8045 3573 8034
      3568 8033 3552 8018
TIME...MOT...LOC 0302Z 266DEG 30KT 3603 8063 3585 8045
          3553 8046

$$

NCC059-097-159-270400-
/O.CON.KGSP.SV.W.0210.000000T0000Z-110527T0400Z/
DAVIE NC-IREDELL NC-ROWAN NC-
1102 PM EDT THU MAY 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR ROWAN...IREDELL AND DAVIE COUNTIES...

AT 1059 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM SHEFFIELD TO FORK CHURCH TO FAITH...OR
ALONG A LINE EXTENDING FROM 7 MILES SOUTH OF YADKINVILLE TO
MOCKSVILLE TO 10 MILES SOUTH OF SALISBURY...MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  FARMINGTON...
  BERMUDA RUN...HIGH ROCK LAKE...GOLD HILL AND CRAVEN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS DANGEROUS STORM IS CAPABLE OF PRODUCING WIND SPEEDS OF 75 TO 90
MPH. IN ADDITION TO CAUSING TREES AND POWER LINES TO FALL OVER A
WIDESPREAD AREA...THESE WINDS ARE CAPABLE OF FLIPPING MOBILE HOMES
AND VEHICLES...AND DESTROYING BARNS AND OUTBUILDINGS. SEEK SHELTER ON
THE LOWEST LEVEL OF A HOUSE OR OFFICE BUILDING AWAY FROM WINDOWS.
AVOID ROOMS THAT MAY BE DAMAGED BY FALLING TREES. IF DRIVING...PULL
OVER IN A CLEAR AREA AWAY FROM LARGE TREES AND POWER POLES. IF YOU
EXPERIENCE EXTREME WINDS...TURN YOUR VEHICLE TO FACE THE WIND.

&&

LAT...LON 3550 8037 3552 8090 3549 8095 3562 8093
      3570 8099 3578 8111 3586 8104 3594 8101
      3605 8102 3605 8049 3607 8046 3596 8037
      3583 8042 3582 8047 3574 8045 3573 8034
      3568 8033 3552 8018
TIME...MOT...LOC 0302Z 266DEG 30KT 3603 8063 3585 8045
          3553 8046

$$

RWH

363 
WWUS52 KGSP 270309
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1109 PM EDT THU MAY 26 2011

NCC097-270319-
/O.CAN.KGSP.SV.W.0210.000000T0000Z-110527T0400Z/
IREDELL NC-
1109 PM EDT THU MAY 26 2011

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

THE STORM HAS MOVED EAST OF THE AREA.

LAT...LON 3550 8037 3551 8074 3569 8077 3586 8070
      3605 8069 3605 8049 3607 8047 3605 8045
      3599 8041 3596 8037 3583 8042 3582 8047
      3574 8045 3573 8034 3568 8033 3552 8018
      3552 8019
TIME...MOT...LOC 0309Z 266DEG 30KT 3603 8056 3579 8045
          3553 8039

$$

NCC059-159-270400-
/O.CON.KGSP.SV.W.0210.000000T0000Z-110527T0400Z/
DAVIE NC-ROWAN NC-
1109 PM EDT THU MAY 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR ROWAN AND DAVIE COUNTIES...

AT 1107 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM FARMINGTON TO COOLEEMEE TO
ROCKWELL...OR ALONG A LINE EXTENDING FROM 8 MILES SOUTHEAST OF
YADKINVILLE TO 9 MILES NORTH OF SALISBURY TO 10 MILES SOUTHEAST OF
SALISBURY...MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GOLD HILL...FORK CHURCH AND CRAVEN...
  BERMUDA RUN AND ADVANCE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS CAPABLE OF PRODUCING WIND SPEEDS OF 60 TO 75 MPH. THESE
WINDS CAN TOPPLE TREES AND POWER LINES. SEEK SHELTER ON THE LOWEST
LEVEL OF YOUR HOME OR OFFICE BUILDING. AVOID ROOMS THAT MAY BE
DAMAGED BY FALLING TREES. IF DRIVING...PULL OVER IN A CLEAR AREA AWAY
FROM LARGE TREES AND POWER POLES.

&&

LAT...LON 3550 8037 3551 8074 3569 8077 3586 8070
      3605 8069 3605 8049 3607 8047 3605 8045
      3599 8041 3596 8037 3583 8042 3582 8047
      3574 8045 3573 8034 3568 8033 3552 8018
      3552 8019
TIME...MOT...LOC 0309Z 266DEG 30KT 3603 8056 3579 8045
          3553 8039

$$

RWH

047 
WWUS52 KGSP 270319
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1119 PM EDT THU MAY 26 2011

NCC159-270329-
/O.CAN.KGSP.SV.W.0210.000000T0000Z-110527T0400Z/
ROWAN NC-
1119 PM EDT THU MAY 26 2011

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

THE STORMS HAVE MOVED EAST OF THE AREA.

LAT...LON 3588 8041 3583 8042 3582 8047 3575 8045
      3578 8048 3578 8053 3585 8063 3585 8070
      3605 8069 3605 8049 3607 8047 3599 8041
      3596 8037
TIME...MOT...LOC 0319Z 266DEG 30KT 3603 8046 3596 8041
          3585 8037

$$

NCC059-270400-
/O.CON.KGSP.SV.W.0210.000000T0000Z-110527T0400Z/
DAVIE NC-
1119 PM EDT THU MAY 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT
FOR DAVIE COUNTY...

AT 1115 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM FARMINGTON TO ADVANCE TO
FORK CHURCH...OR ALONG A LINE EXTENDING FROM 10 MILES NORTH OF
MOCKSVILLE TO 7 MILES NORTHEAST OF MOCKSVILLE TO 9 MILES WEST OF
LEXINGTON...MOVING EAST AT 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS CAPABLE OF PRODUCING WIND SPEEDS OF 60 TO 75 MPH. THESE
WINDS CAN TOPPLE TREES AND POWER LINES. SEEK SHELTER ON THE LOWEST
LEVEL OF YOUR HOME OR OFFICE BUILDING. AVOID ROOMS THAT MAY BE
DAMAGED BY FALLING TREES. IF DRIVING...PULL OVER IN A CLEAR AREA AWAY
FROM LARGE TREES AND POWER POLES.

&&

LAT...LON 3588 8041 3583 8042 3582 8047 3575 8045
      3578 8048 3578 8053 3585 8063 3585 8070
      3605 8069 3605 8049 3607 8047 3599 8041
      3596 8037
TIME...MOT...LOC 0319Z 266DEG 30KT 3603 8046 3596 8041
          3585 8037

$$

RWH

263 
WWUS52 KGSP 270330
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1130 PM EDT THU MAY 26 2011

NCC059-270340-
/O.CAN.KGSP.SV.W.0210.000000T0000Z-110527T0400Z/
DAVIE NC-
1130 PM EDT THU MAY 26 2011

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

THE STORMS HAVE MOVED EAST OF THE COUNTY.

LAT...LON 3588 8041 3583 8042 3582 8047 3575 8045
      3578 8048 3578 8053 3585 8063 3585 8070
      3605 8069 3605 8049 3607 8047 3599 8041
      3596 8037
TIME...MOT...LOC 0330Z 266DEG 30KT 3604 8035 3596 8030
          3585 8026

$$

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 26, 8:34 PM EDT, 1 hour 52 minutes earlier.

Area forecast discussion, May 26, 8:34 PM EDT, 1 hour 52 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
834 PM EDT THU MAY 26 2011

.SYNOPSIS...
A LOW PRESSURE SYSTEM WILL PUSH A WEAKENING COLD FRONT ACROSS THE
CAROLINAS THROUGH FRIDAY MORNING. THE FRONT IS EXPECTED TO STALL AND
WASH OUT OVER THE REGION FRIDAY AFTERNOON. SUMMER LIKE WEATHER WILL
RETURN ON SATURDAY AND LINGER INTO EARLY NEXT WEEK.

&&

.NEAR TERM /THROUGH FRIDAY/...
CONVECTION HAS MORE OR LESS CONSOLIDATED INTO A BROKEN SQUALL LINE
THAT IS BISECTING THE CWFA ATTM. THIS TRANSITION TO A MORE OUTFLOW-
DOMINATED MODE HAS SEEN A TRANSITION FROM A MAINLY LARGE HAIL THREAT
TO A DOWNBURST SITUATION. ALTHOUGH ISOLATED MARGINAL LARGE HAIL WILL
REMAIN POSSIBLE...DAMAGING WINDS...WITH THE POSSIBILITY OF A HANDFUL
OF HIGH-END EVENTS (AS HAS ALREADY OCCURRED OVER ELBERT COUNTY GA)
WILL BE POSSIBLE. POPS HAVE BEEN RAMPED UP TO HIGH LIKELY ACROSS ALL
BUT ABOUT THE EASTERN 1/4 OF THE CWFA. EAST OF THERE THE SITUATION
IS A BIT MORE COMPLICATED. THE LINE IS MOVING SLOWLY...AND WILL BE
BATTLING DIMINISHING INSTABILITY AND WEAKENING SHEAR. THEREFORE...
WILL KEEP POPS IN THE SOLID CHANCE RANGE FOR NOW.

PREVIOUS DISCUSSION...

AT 1730Z...AN UPPER TROF WILL PROGRESS ACRS THE OH/TN VLYS TONIGHT
AND LIFT NE THRU THE APPALACHIANS ON FRIDAY. THE FORCING ASSOCIATED
WITH THE APPROACH OF THE TROF WILL BE STRONGEST FROM LATE THIS AFTN
WELL INTO THE OVERNIGHT HOURS. THE GFS AND NAM AGREE ON DECENT UPPER
DIVERGE AS WELL DURING THAT TIME FRAME. SHEAR AND INSTBY WILL BE
ENUF TO SUPPORT CONVECTION THRU THE NIGHT. THERE IS CURRENTLY A SVR
TSTM WATCH TO OUR WEST...INCLUDING FOUR NC COUNTIES (SEE WCNGSP).
CONVECTION SO FAR HAS BEEN FAIRLY DISCRETE SUPERCELLS. THE MESOSCALE
MODELS SEEM TO AGREE ON THIS ACTIVITY MORPHING INTO A MULTI-CELL
LINE AS IT ENTERS THE CWA AROUND 20-22Z TIME FRAME...THEN BANDS OF
CONVECTIVE SEGMENTS WELL INTO THE OVERNIGHT. HAVE ADJUSTED POPS
ACCORDINGLY. STILL THINK ANOTHER ROW OF WATCHES WILL BE ISSUED SOME
TIME LATER THIS AFTN AS THE CONVECTION ORGANIZES. NOT SURE HOW WELL
THE CONVECTION WILL HOLD TOGETHER DURING THE WEE MORNING HOURS.
THINK CONVECTIVE THREAT WILL GRADUALLY DECREASE THRU DAYBREAK. TEMPS
OVERNIGHT WILL BE MILD WITH THE CLOUDS AND MIXING ASSOCIATED WITH
THE APPROACH OF THE COLD FRONT.

ON FRIDAY...THE FRONT STALLS OVER THE AREA...WITH PLENTY OF
LINGERING MOISTURE. UPPER SUPPORT SHOULD CONTINUE THRU 18Z AS THE
TROF PIVOTS TO NEGATIVE TILT AND SLOWS. HAVE BLENDED IN MODEL
CONSENSUS ON POPS...RESULTING IN LIKELY THRU THE AFTN (ESPECIALLY
ERN HALF OF THE CWA). SHEAR WEAKENS AND UPPER DIVERGE
DECREASES...BUT INSTBY SHUD INCREASE WITH HEATING TO 1000-1500 J/KG
ONCE AGAIN ACRS THE PIEDMONT. SO DO EXPECT SCATTERED TO NUMEROUS
TSTMS...BUT SEVERE THREAT WILL BE MODEST. NEW SPC DAY 2 OUTLOOK IS
JUST SEE TEXT. THE MET AND MAV IN DISAGREEMENT ON MAX TEMPS. WENT
WITH WARMER MAV BASED ON CONTINUITY.

&&

.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
AS OF 230 PM THURSDAY...THE SHORT RANGE PERIOD WILL BEGIN FRIDAY
NIGHT WITH ONGOING DIURNAL CONVECTION. EXPECT NUMEROUS COVERAGE TO
PERSIST ACROSS THE EASTERN PORTION OF THE FA FOR A FEW HOURS BEFORE
DIMINISHING IN THE LOSS OF HEATING AND MOVING FURTHER EAST. SATURDAY
WILL SEE THE TRANSITION PERIOD BETWEEN THE DEPARTING REMNANT UPPER
TROF AND RIDGE BEGINNING TO BUILD IN FROM THE SW. EXPECT STILL
MODERATE INSTABILITY TO DEVELOP ACROSS AREAS TO THE SOUTH AND EAST.
THERE WILL BE LESS CONVECTIVE INHIBITION FURTHER TO THE EAST IN THE
BETTER INSTABILITY BUT WITH WEAK WIND PROFILES THROUGH THE
COLUMN...COVERAGE WILL BE ISOLATED AT BEST. ACROSS THE
MOUNTAINS...MODEL SOUNDING SHOW A MORE PROMINENT INVERSION AND CAP
AT AROUND 700 MB...BUT SOME SOUTHERLY UPSLOPE FLOW SHOULD HELP KICK
OFF MORE SCATTERED RIDGE TOP CONVECTION. SEVERE THREAT WILL BE
MINIMAL AT BEST WITH HIGH FREEZING LEVELS...BUT DRY AIR ALOFT COULD
HELP PRODUCE A DAMAGING WIND GUST OR TWO. ANY LINGERING SHOWERS AND
STORMS WILL DISSIPATE QUICKLY AFTER SUNSET.

INTO SUNDAY...THE THE RIDGE ALOFT WILL QUICKLY ASSERT ITSELF OVER
THE SOUTHEAST WITH A VERY PROMINENT UPPER ANTICYCLONE DEVELOPING
OVER THE SOUTHERN APPALACHIANS. CONVECTION WILL BECOME EVEN MORE
LIMITED AND WE WILL ONLY CARRY SLIGHT CHANCES ALONG THE ESCARPMENT
AND THE RIDGE TOPS FOR THE NC MOUNTAINS. TEMPS WILL RUN ABOUT 6
DEGREES ABOVE NORMAL ON SATURDAY AND WILL INCREASE INTO SUNDAY WITH
THE STRENGTHENING UPPER RIDGE. SUNDAY HIGHS WILL INCREASE BACK INTO
THE UPPER 80S OUTSIDE THE MOUNTAINS...WITH MID 80S EXPECTED IN THE
MOUNTAIN VALLEYS.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
AS OF 200 PM THURSDAY...THE MEDIUM RANGE GUIDANCE IS IN AGREEMENT
THAT AN UPPER LEVEL ANTICYCLONE WILL DOMINATE THE WEATHER OVER THE
SOUTHERN APPALACHIANS AND WESTERN CAROLINAS THROUGH MIDWEEK. THE
UPPER HIGH IS FORECAST TO RETROGRADE INTO THE SOUTHERN PLAINS BY LATE
NEXT WEEK WHICH PAVES THE WAY FOR A BACKDOOR COLD FRONT TO MOVE
THROUGH IN THE WED NIGHT THU TIMEFRAME. MON THROUGH WED WILL FEATURE
GENERALLY CLEAR CONDITIONS...HOT TEMPERATURES AND SUPPRESSED
CONVECTIVE CHANCES DUE TO SYNOPTIC SCALE SUBSIDENCE OVER THE REGION.
MAX TEMPS WILL RUN A GOOD 10+ DEGREES ABOVE CLIMO. WILL ALLOW FOR
SOME LOW CHANCE POPS AND COOLER TEMPS FOR THU WITH THE ARRIVAL OF
THE BACKDOOR FRONT. STAYED CLOSE TO HPC GUIDANCE FIELDS.

&&

.AVIATION /01Z FRIDAY THROUGH TUESDAY/...
AT KCLT...MAIN CONCERN FOR THE OVERNIGHT IS THE CONVECTIVE
POTENTIAL. CONVECTION HAS FIRED OVER THE FOOTHILLS/UPSTATE SC IN
ADVANCE OF THE MAIN COLD FRONT-ASSOCIATED CONVECTION. HOWEVER...THE
FOOTHILLS ACTIVITY IS MAKING VERY LITTLE PROGRESS TO THE EAST. ONCE
THE REMNANT STORMS OVER THE NC MTNS/NORTH GA CATCH UP WITH IT...THE
ENTIRE AREA OF CONVECTION SHOULD BEGIN A MORE EASTWARD PROGRESSION.
HOWEVER...IT VERY WELL MAY BE IN A DIMINISHED STATE IN TERMS OF
COVERAGE AND INTENSITY. ANYWAY...I DIDN/T FEEL COMFORTABLE WITH
INCLUDING A TEMPO OR CATEGORICAL MENTION OF CONVECTION ATTM...BUT
WILL CONTINUE TO EVALUATE THE NEED TO UP THE ANTE IN FUTURE
AMENDMENTS. OTHERWISE...WE ARE EXPECTING MVFR CIGS TO DEVELOP IN
THE MOIST SW FLOW AROUND SUNRISE. SOME FOG WILL ALSO BE POSSIBLE...
BUT WILL LARGELY DEPEND UPON HOW MUCH RAIN FALLS IN THE AREA.
COVERAGE OF CONVECTION WILL INCREASE AGAIN BY FRIDAY AFTERNOON.

ELSEWHERE...A LINE OF SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS THE
TERMINALS EARLY IN THE PERIOD...TAPERING OFF TO SHOWERS BY MIDNIGHT.
VISBY SHOULD GENERALLY BE MVFR. HOWEVER...BRIEF PERIODS OF IFR WILL
BE POSSIBLE WITH HEAVIER SHOWERS/STORMS. SHOWERS WILL DECREASE IN
COVERAGE LATER TONIGHT. HOWEVER...VISBY SHOULD BEGIN TO DIMINISH
OWING TO THE WET GROUND. EXTENSIVE CLOUD COVER IS EXPECTED TO
PREVENT CONDITIONS FROM CRASHING TOO STRONGLY...BUT AT LEAST MVFR
VISBY CAN BE EXPECTED...WITH IFR LIKELY IN THE MTN VALLEYS. IN
ADDITION...AN MVFR STRATUS DECK IS EXPECTED TO DEVELOP AROUND
SUNRISE IN THE MOIST SW FLOW. CONVECTION WILL EXPAND IN COVERAGE
ONCE AGAIN FRIDAY AFTERNOON.

OUTLOOK...CLUSTERS OF SHRA/TSRA WILL LINGER ACROSS THE REGION FRIDAY
EVENING. 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/JDL
SHORT TERM...BSH
LONG TERM...LG
AVIATION...JDL

Hazardous weather outlook, May 26, 5:14 PM EDT, 5 hours 12 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
514 PM EDT THU MAY 26 2011

GAZ010-017-018-026-028-029-NCZ033-048>053-058-059-062>065-501>510-
SCZ001>006-010-272115-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-MADISON-YANCEY-
MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-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-ANDERSON-
514 PM EDT THU MAY 26 2011

...SEVERE THUNDERSTORM WATCH 385 IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

.DAY ONE...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...FRIDAY THROUGH WEDNESDAY.

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.

NCZ035>037-056-057-068>072-082-SCZ007>009-011>014-019-272115-
ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-
MECKLENBURG-CABARRUS-UNION NC-SPARTANBURG-CHEROKEE-YORK-ABBEVILLE-
LAURENS-UNION SC-CHESTER-GREENWOOD-
514 PM EDT THU MAY 26 2011

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

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE FOOTHILLS AND
PIEDMONT AHEAD OF AN APPROACHING COLD FRONT THIS EVENING. AT LEAST
SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE
OVERNIGHT HOURS. A FEW SEVERE STORMS ARE EXPECTED...MAINLY THIS
EVENING. THE MAIN SEVERE WEATHER THREATS WILL BE FROM DAMAGING
WIND GUSTS AND LARGE HAIL. HOWEVER...AN ISOLATED TORNADO CANNOT BE
RULED OUT. FREQUENT CLOUD TO GROUND LIGHTNING AND TORRENTIAL
RAINFALL WILL BE POSSIBLE WITH ANY STORM THAT DEVELOPS TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

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.

LANE

In the hours before

Local storm report, May 26, 9:10 PM EDT, 1 hour 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
910 PM EDT THU MAY 26 2011

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

0745 PM     HAIL             4 E COLUMBUS            35.25N 82.13W
05/26/2011  E0.75 INCH       POLK               NC   NWS EMPLOYEE

            DIME SIZED HAIL

0757 PM     HAIL             MARION                  35.68N 82.01W
05/26/2011  E0.75 INCH       MCDOWELL           NC   PUBLIC

            MCDOWELL HOSPITAL HAD DIME SIZED HAIL. HAIL FELL FOR
            ABOUT 5 MINUTES WITH DIME SIZED BEING THE LARGEST.

0853 PM     HAIL             5 NW LAURENS            34.55N 82.09W
05/26/2011  E1.00 INCH       LAURENS            SC   TRAINED SPOTTER

            QUARTER SIZED HAIL FELL ALONG WITH SOME WIND BUT NOT TOO
            BAD.

&&

OUTLAW

Local storm report, May 26, 9:21 PM EDT, 1 hour 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
921 PM EDT THU MAY 26 2011

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

0745 PM     TSTM WND DMG     TRYON                   35.21N 82.24W
05/26/2011                   POLK               NC   911 CALL CENTER

            AT LEAST NINE TREES DOWN IN THE TRYON AREA.

&&

OUTLAW

Local storm report, May 26, 9:34 PM EDT, 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
934 PM EDT THU MAY 26 2011

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

0800 PM     TSTM WND DMG     LAKE LURE               35.44N 82.21W
05/26/2011                   RUTHERFORD         NC   911 CALL CENTER

            NUMEROUS TREES DOWN IN THE COUNTY...BUT MOSTLY IN THE
            LAKE LURE AREA.

&&

OUTLAW

Local storm report, May 26, 9:49 PM EDT, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
949 PM EDT THU MAY 26 2011

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

0910 PM     TSTM WND DMG     9 W UNION               34.72N 81.78W
05/26/2011                   UNION              SC   TRAINED SPOTTER

            A REPORT OF NUMEROUS TREES DOWN IN MULTIPLE LOCATIONS IN
            UNION COUNTY BEGINNING FROM THE WEST AND SWEEPING ACROSS
            THE COUNTY TO THE EAST.

&&

OUTLAW

Local storm report, May 26, 10:15 PM EDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1015 PM EDT THU MAY 26 2011

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

0938 PM     TSTM WND DMG     4 N HICKORY GROVE       35.04N 81.42W
05/26/2011                   YORK               SC   911 CALL CENTER

            NUMEROUS TREES DOWN ALONG LEGION RD.

&&

MCAVOY

Local storm report, May 26, 10:19 PM EDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1019 PM EDT THU MAY 26 2011

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

0825 PM     TSTM WND DMG     DUE WEST                34.33N 82.39W
05/26/2011                   ABBEVILLE          SC   TRAINED SPOTTER

            AT LEAST ONE LARGE LIMB THAT FELL ON A VEHICLE ON THE
            SOUTH SIDE OF DUE WEST AND PLENTY OF SMALL DEBRIS
            SCATTERED NORTHEAST TOWARD DONALDS.

0845 PM     TSTM WND DMG     WOODRUFF                34.74N 82.03W
05/26/2011                   SPARTANBURG        SC   FIRE DEPT/RESCUE

            NUMEROUS LARGE LIMBS DOWN AROUND WOODRUFF.

&&

OUTLAW

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 8:05 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Polk	55 min
May 26, 8:56 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland, Polk, Rutherford	64 min
May 26, 8:57 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Burke, Caldwell, Catawba, Cleveland, Lincoln and 3 more	63 min
May 26, 9:23 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	67 min
May 26, 9:37 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Caldwell, Catawba, Cleveland, Gaston, Iredell and 2 more	98 min
May 26, 9:52 PM EDT	Tornado Warning	GSP	Gaston, Mecklenburg	38 min
May 27, 1:55 AM EDT	Special Weather Statement	GSP	Union	35 min
May 27, 11:09 AM EDT	Special Weather Statement	GSP	Polk	36 min
May 27, 11:26 AM EDT	Special Weather Statement	GSP	Gaston, Mecklenburg	34 min
May 27, 11:47 AM EDT	Special Weather Statement	GSP	Union	28 min
May 27, 12:02 PM EDT	Special Weather Statement	GSP	Cabarrus, Mecklenburg	28 min
May 27, 12:22 PM EDT	Special Weather Statement	GSP	Cabarrus, Rowan	38 min
May 27, 12:29 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Davie, Rowan	61 min
May 27, 12:39 PM EDT	Special Weather Statement	GSP	Cleveland	36 min
May 27, 12:48 PM EDT	Special Weather Statement	GSP	Union	42 min
May 27, 1:15 PM EDT	Severe Thunderstorm Warning	GSP	Union	34 min
May 27, 2:18 PM EDT	Special Weather Statement	GSP	Union	27 min
May 27, 3:47 PM EDT	Special Weather Statement	GSP	Union	58 min
May 27, 3:52 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Mecklenburg	53 min
May 27, 4:09 PM EDT	Severe Thunderstorm Warning	GSP	Union	46 min
May 27, 4:36 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Rowan	54 min
May 27, 4:41 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Gaston, Mecklenburg	64 min
May 27, 5:16 PM EDT	Severe Thunderstorm Warning	GSP	Davie, Rowan	44 min
May 27, 5:36 PM EDT	Special Weather Statement	GSP	Gaston, Mecklenburg	39 min
May 27, 5:39 PM EDT	Areal Flood Advisory	GSP	Mecklenburg	117 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2011 Every 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.