Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 53, NWS Greenville-Spartanburg, SC

May 23, 2014Mecklenburg County, Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 23, 2014, 6:19 PM EDT for Mecklenburg County, Union County, North Carolina. It was in force for 56 min. 1 report 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 23, 2014, 6:19 PM EDT (22:19 UTC)
Expired
May 23, 2014, 7:15 PM EDT
In force
56 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Mecklenburg County, NC, Union County, NC

The radar

The Columbia radar (KCAE), 120 km from the middle of the area, began a volume at 22:19 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 23, 6:40 PM EDTHAIL 1.754 N Waxhaw, NC

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 one storm report to this severe thunderstorm warning; the first came 21 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 nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.3 hours before the alert went out and 143 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 2014-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 106 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 2014-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.19395878Sfc1 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
106 J/kg
Mixed-layer CIN
-255 J/kg
Mixed-layer LCL
1427 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
36 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.

808 
WUUS52 KGSP 232219
SVRGSP
NCC119-179-232315-
/O.NEW.KGSP.SV.W.0053.140523T2219Z-140523T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
619 PM EDT FRI MAY 23 2014

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH
  CAROLINA...
  UNION COUNTY IN THE PIEDMONT OF NORTH CAROLINA...

* UNTIL 715 PM EDT

* AT 618 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
  FORT MILL...OR 8 MILES NORTHEAST OF ROCK HILL...AND MOVING EAST AT
  40 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  MARVIN.
  WAXHAW.
  WESLEY CHAPEL...MINERAL SPRINGS AND STALLINGS.
  MONROE.
  UNIONVILLE.
  WINGATE.
  MARSHVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

VERY LARGE HAIL CAN CAUSE INJURY AND MAJOR DAMAGE TO VEHICLES AND
HOMES. DAMAGING WINDS COULD BLOW DOWN SCATTERED TREES AND POWER
LINES. SEEK SHELTER INSIDE AN INTERIOR ROOM.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
SPECIFIC LOCATION WHERE IT OCCURRED.

&&

LAT...LON 3482 8031 3484 8080 3486 8080 3490 8080
      3494 8079 3506 8090 3509 8091 3510 8093
      3510 8092 3515 8028
TIME...MOT...LOC 2219Z 268DEG 37KT 3499 8089

$$
LANE
4 follow-up statements
566 
WWUS52 KGSP 232232
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
632 PM EDT FRI MAY 23 2014

NCC119-179-232315-
/O.CON.KGSP.SV.W.0053.000000T0000Z-140523T2315Z/
MECKLENBURG NC-UNION NC-
632 PM EDT FRI MAY 23 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR UNION AND
SOUTH CENTRAL MECKLENBURG COUNTIES IN THE PIEDMONT OF NORTH CAROLINA
UNTIL 715 PM EDT...

AT 631 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING LARGE DESTRUCTIVE HAIL UP TO BASEBALL SIZE...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
WESLEY CHAPEL...OR 11 MILES WEST OF MONROE...MOVING EAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  LAKE PARK.
  MONROE.
  UNIONVILLE.
  WINGATE.
  MARSHVILLE.
  STURDIVANTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

VERY LARGE HAIL CAN CAUSE INJURY AND MAJOR DAMAGE TO VEHICLES AND
HOMES. DAMAGING WINDS COULD BLOW DOWN SCATTERED TREES AND POWER
LINES. SEEK SHELTER INSIDE AN INTERIOR ROOM.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
THE SPECIFIC LOCATION WHERE IT OCCURRED.

&&

LAT...LON 3482 8031 3484 8080 3486 8080 3490 8080
      3494 8079 3506 8090 3509 8091 3510 8093
      3510 8092 3515 8028
TIME...MOT...LOC 2232Z 268DEG 37KT 3499 8073

$$
LANE
259 
WWUS52 KGSP 232243
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
643 PM EDT FRI MAY 23 2014

NCC119-179-232315-
/O.CON.KGSP.SV.W.0053.000000T0000Z-140523T2315Z/
MECKLENBURG NC-UNION NC-
643 PM EDT FRI MAY 23 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR UNION AND
SOUTH CENTRAL MECKLENBURG COUNTIES IN THE PIEDMONT OF NORTH CAROLINA
UNTIL 715 PM EDT...

AT 640 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE 
THUNDERSTORM PRODUCING LARGE DESTRUCTIVE HAIL UP TO TENNIS BALL 
SIZE...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS 
LOCATED NEAR MINERAL SPRINGS...OR 7 MILES WEST OF MONROE...MOVING 
EAST AT 35 MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  MONROE.
  WINGATE.
  MARSHVILLE.
  STURDIVANTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

VERY LARGE HAIL DRIVEN BY STRONG WINDS POSES A SERIOUS THREAT OF
INJURY. EXTENSIVE DAMAGE TO HOMES AND VEHICLES WILL ALSO OCCUR. SEEK
SHELTER INSIDE AN INTERIOR ROOM.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
THE SPECIFIC LOCATION WHERE IT OCCURRED.

&&

LAT...LON 3508 8079 3515 8028 3482 8031 3484 8080
      3490 8080 3494 8079
TIME...MOT...LOC 2243Z 272DEG 30KT 3496 8063

$$
LANE
889 
WWUS52 KGSP 232256
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
656 PM EDT FRI MAY 23 2014

NCC119-232305-
/O.CAN.KGSP.SV.W.0053.000000T0000Z-140523T2315Z/
MECKLENBURG NC-
656 PM EDT FRI MAY 23 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MECKLENBURG
COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED AWAY FROM THIS AREA.

LAT...LON 3487 8064 3503 8065 3515 8028 3482 8031
TIME...MOT...LOC 2255Z 272DEG 30KT 3496 8051

$$

NCC179-232315-
/O.CON.KGSP.SV.W.0053.000000T0000Z-140523T2315Z/
UNION NC-
656 PM EDT FRI MAY 23 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR UNION COUNTY
IN THE PIEDMONT OF NORTH CAROLINA UNTIL 715 PM EDT...

AT 653 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 NEAR
MONROE...MOVING EAST AT 35 MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  WINGATE.
  MARSHVILLE.
  STURDIVANTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LARGE HAIL CAN CAUSE MAJOR PROPERTY DAMAGE...ESPECIALLY TO VEHICLES.
DAMAGING WINDS MAY BLOW DOWN SCATTERED TREES AND POWER LINES. SEEK
SHELTER INSIDE AN INTERIOR ROOM.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
THE SPECIFIC LOCATION WHERE IT OCCURRED.

&&

LAT...LON 3487 8064 3503 8065 3515 8028 3482 8031
TIME...MOT...LOC 2255Z 272DEG 30KT 3496 8051

$$
LANE
682 
WWUS52 KGSP 232315
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
715 PM EDT FRI MAY 23 2014

NCC179-232325-
/O.EXP.KGSP.SV.W.0053.000000T0000Z-140523T2315Z/
UNION NC-
715 PM EDT FRI MAY 23 2014

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN UNION COUNTY IN THE
PIEDMONT OF NORTH CAROLINA HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS AREA.

LAT...LON 3487 8064 3503 8065 3515 8028 3482 8031
TIME...MOT...LOC 2256Z 272DEG 30KT 3496 8050

$$
LANE

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 23, 4:27 PM EDT, 1 hour 52 minutes earlier.

Area forecast discussion, May 23, 4:27 PM EDT, 1 hour 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
427 PM EDT FRI MAY 23 2014

.SYNOPSIS...
A WEAK COLD FRONT WILL STALL OUT OVER GEORGIA TONIGHT. SURFACE HIGH
PRESSURE WILL THEN DRIFT EASTWARD FROM THE OHIO VALLEY TO THE
OFFSHORE ATLANTIC WATERS OVER THE WEEKEND. THE REGION IS EXPECTED TO
BE BACK UNDER THE INFLUENCE OF THE BERMUDA HIGH BY EARLY NEXT WEEK
WITH DEWPOINTS AND TEMPERATURES WARMING.

&&

.NEAR TERM /THROUGH SATURDAY/...
AS OF 425 PM EDT FRIDAY...SCATTERED CONVECTION WILL CONTINUE ACROSS
PORTIONS OF THE UPSTATE THROUGH THE REMAINDER OF THE AFTERNOON.  THE
ATM REMAINS UNSTABLE ALONG AND SOUTH OF INTERSTATE 85 WITH A
PLUME OF SBCAPE IN EXCESS 2500 JOULES ACROSS THE WESTERN UPSTATE AND
PORTIONS OF NORTHEAST GA...PER 20Z MESOANALYSIS.  WOULD NOT BE
SURPRISED TO SEE FURTHER INITIATION TO THE WEST ACROSS AREAS THAT
HAVE NOT BEEN WORKED OVER BY PAST/PRESENT CONVECTION...SPECIFICALLY
WEST OF I26 IN SC/GA WHERE CU FIELD REMAINS PREVALENT.
THUS...INCREASED POPS DRASTICALLY ACROSS THE UPSTATE TO ACCOUNT FOR
CONTINUED DEVELOPMENT THROUGH EARLY EVENING.  HAIL REMAINS THE
PRIMARY THREAT WITH ANY DEEPER CONVECTION AS MULTIPLE REPORTS OF
QUARTER TO TENNIS BALL SIZED HAIL HAVE BEEN RECEIVED.  NO CHANGES
PLANNED TO WATCH BOX AT THIS TIME.

PREVIOUS DISCUSSION...

AS OF 230 PM EDT...CONVECTION REMAINS LARGELY BENIGN ATTM WITH
MAINLY SCT CU OVER SOME OF THE MTNS AND WRN UPSTATE. UNDER STILL
BRISK MID-UPPER LEVEL NW FLOW...MTN WAVE CIRRUS CONTINUE TO KEEP
MCLDY SKIES OVER THE NC FOOTHILLS AND NW PIEDMONT. THESE AREAS WERE
HIT PRETTY HARD WITH OUTFLOW FROM THE TSTM CLUSTER THIS MORNING AND
APPEAR TO HAVE BEEN KEPT STABLE BY THIS AND TO SOME EXTENT THE
CIRRUS. S AND W OF THIS AREA ISOLATED TSRA ARE STILL
EXPECTED...WHERE 1500-2000 J OF UNCAPPED SBCAPE IS SHOWN ON SPC
MESOANALYSIS. INDEED A COUPLE OF CELLS ARE STARTING TO GO UP OVER
PICKENS COUNTY. THE 12Z NCEP HIRES WINDOW RUNS REINFORCE SUGGESTIONS
OF NUMEROUS HRRR AND RAP RUNS THAT ISOLD ACTIVITY WILL KICK OFF IN
THE SMOKIES AND IN THE UPSTATE EAST OF SPARTANBURG. WITH THE
AFOREMENTIONED INSTABILITY AND EFFECTIVE BULK SHEAR OF 35-45
KT...ALONG WITH SUBSTANTIAL DCAPE OVER 1000 J/KG...STORMS WILL BE
QUITE CAPABLE OF DMGG WIND/HAIL. SVR WATCH JUST ISSUED FOR THE SRN
TIER OF THE NC MTNS/FOOTHILLS...THE UPSTATE AND NE GA.

HIGH PRESSURE BEGINS TO BUILD ACRS THE GREAT LAKES AND OHIO VALLEY
THRU TONIGHT. COLD FRONT CONTINUES TO BE PROGGED TO PUSH SWD THRU
MOST OF THE NC MTNS AND PIEDMONT BY DAYBREAK...PUSHING THROUGH THE
ERN SC PIEDMONT THEREAFTER. IN THE WAKE OF THE FRONT THINGS REMAIN
STABLE THROUGH THE DAY. HOWEVER...WITH A FAIRLY FLAT UPPER RIDGE
REMAINING OVER THE GULF STATES...THE FRONT DOES NOT APPEAR TO FULLY
IMPACT THE SAVANNAH RIVER VALLEY AND WRN UPSTATE. HOWEVER SUBSIDENCE
ALOFT APPEARS TO BE ENOUGH TO WEAKEN LAPSE RATES TO THE POINT THAT
ONLY LIMITED CONVECTION WILL BE POSSIBLE IN THIS AREA. GFS AND NAM
CONTINUE TO PRODUCE HEFTY SBCAPE VALUES OVER 1000 J/KG WEST OF
GSP...BUT SREF PROBS SUGGEST VALUES MOST LIKELY WILL NOT GET THIS
HIGH. I WILL INCLUDE A SCHC FOR DIURNAL SHWRS/TSTMS ALONG THE SRN
ESCARPMENT AND AREAS JUST SOUTH WHERE THE BEST INSTABILITY IS
SUGGESTED. HIGHS WILL BE NEAR NORMAL IN THE MORE CONTINENTAL AIRMASS
BUT WITH BRIGHT SUNSHINE.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY/...
AS OF 230 PM FRIDAY...ONLY SUBTLE CHANGES ARE EXPECTED TO THE
OVERALL UPPER PATTERN FROM SUNDAY INTO MONDAY...MEANING WE SHOULD
REMAIN UNDER A NW FLOW ALOFT BUT THAT HEIGHTS SHOULD RISE A BIT AS
THE TROF OFF THE EAST COAST DEAMPLIFIES. THIS PATTERN WILL ALLOW THE
CENTER OF SURFACE HIGH PRESSURE TO MIGRATE FROM THE MIDWEST/OH
VALLEY REGION TO A POSITION OFF THE SOUTHEAST COAST ON SUNDAY. ONCE
THIS HAPPENS...WE CAN EXPECT SOME RETURN OF MOISTURE FROM THE SOUTH
AND SOME WEAK WARM ADVECTION. THAT WILL PUT THE WESTERN CAROLINAS
AND NE GEORGIA BACK INTO A REGIME WHERE MAINLY DIURNAL SHOWERS AND
THUNDERSTORMS WILL BE POSSIBLE. PRECIP CHANCES WERE LIMITED TO A
SLIGHT CHANCE ACROSS MOST OF THE AREA SUNDAY OWING TO THE LACK OF
DEVELOPMENT SEEN IN THE NAM...BUT THEN WERE ALLOWED TO GO UP TO A
CHANCE ACROSS MOST OF THE REGION MONDAY AS MOISTURE AND INSTABILITY
WERE INCREMENTALLY BETTER. TEMPS WILL CREEP UP A BIT FOR SUNDAY...
AND THEN RISE ABOUT A CATEGORY HIGHER FOR MONDAY...AROUND 80 IN THE
MTN VALLEYS AND MIDDLE 80S E OF THE MTNS.

&&

.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
AS OF 145 PM FRIDAY...THE MEDIUM RANGE FCST PICKS UP AT 00Z ON
TUESDAY WITH THE PERSISTENT UPPER RIDGE ANCHORED OVER THE CENTRAL
CONUS AND AN EMBEDDED H5 LOW DRIFTING SLOWLY EASTWARD OVER THE
SOUTHERN PLAINS. SIMULTANEOUSLY...A CLOSED UPPER LOW IS EXPECTED TO
DROP DOWN OVER EXTREME NORTHERN NEW ENGLAND AND REMAIN OVER THAT
REGION FOR MOST OF THE PERIOD. IN TERMS OF THE SYNOPTIC PATTERN
EVOLUTION OVER OUR REGION...WE DONT EXPECT ANY SIG CHANGES THRU DAY
7 WITH THE DOMINANT UPPER RIDGE REMAINING IN PLACE THRU THE PERIOD.

AT THE SFC...WE BEGIN THE PERIOD UNDER LIGHT SLY FLOW WITH A TYPICAL
BERMUDA HIGH IN PLACE TO OUR EAST. EARLY IN THE DAY...A FAIRLY
ROBUST LOW DEEPENS OVER EXTREME NORTHERN NEW ENGLAND AND BRINGS A
SWATH OF COOLER AND DRIER AIR TOWARDS THE FCST AREA. THE MODELS
DIFFER ON HOW FAR SOUTH THIS LOW WILL MAKE WITH THE GFS BRINGING IT
QUITE A BIT FARTHER SOUTH THAN THE ECMWF AND CMC MODELS. I WILL
CONTINUE TO PUT MORE EMPHASIS ON THE ECMWF AND CMC SOLUTIONS FOR THE
TIME BEING AND THUS I DONT EXPECT THE COOLER/DRIER AIR TO PENETRATE
AS FAR SOUTH AS THE GFS SUGGESTS. ONCE THIS LOW MOVES WELL
OFFSHORE...ANOTHER CANADIAN HIGH TRIES TO PUSH SOUTHWARD AND INTO
THE REGION...HOWEVER ITS LOOKING LIKE IT WILL DISSIPATE FAIRLY QUICKLY
ONCE IT MAKES TO THE CAROLINAS.

AT ANY RATE...NO MAJOR CHANGES WERE NEEDED TO THE SENSIBLE FCST. I
DID INCREASE POPS OVER SOME PORTIONS OF THE CWFA TO SOLID CHANCE FOR
WIDELY SCT DIURNAL SHOWERS AND TS FOR WED AND THURS. OTHERWISE...I
CARRY A SLIGHT TO SOLID CHANCE FOR SH AND TS EACH DAY OF THE PERIOD.
IN ADDITION...IT IS TOO EARLY TO MENTION ANY THREAT OF SVR OR WELL
ORGANIZED CONVECTION AT THIS POINT. TEMPS SHOULD START OUT 5 TO 10
DEGREES ABOVE NORMAL FOR LATE MAY AND GRADUALLY DROP THRU THE PERIOD
WITH HIGHS RIGHT AROUND NORMAL BY NEXT FRIDAY.

&&

.AVIATION /21Z FRIDAY THROUGH WEDNESDAY/...
AT KCLT...FOLLOWING THE CONVECTION WHICH MOVED THRU THIS MORNING AND
LEFT BEHIND COOLER AND MORE STABLE AIR...THREAT OF TSRA THIS AFTN
APPEARS TO HAVE BEEN MITIGATED TO THE POINT THAT A TEMPO IS NO
LONGER WARRANTED. HOWEVER...THERE IS STILL A VERY SMALL CHANCE A
STORM COULD AFFECT THE FIELD WITH GUSTY WINDS AND POSSIBLY HAIL. A
FEW LOW VFR CU ARE LIKELY TO PERSIST AT ANY RATE. GENERALLY NW WINDS
WILL PRECEDE OVERNIGHT ARRIVAL OF BACKDOOR COLD FRONT...WHICH SHOULD
BRING WINDS N TO NNE AND VIRTUALLY CLEAR SKIES. PROFILES LOOK
UNFAVORABLE FOR FOG WITH LLVL DRYING IN THE WAKE OF THE FRONT.

ELSEWHERE...ISOLD SHRA/TSRA ARE EXPECTED THIS AFTN IN THE MTNS OF SW
NC...SC AND GA...AS WELL AS IN THE AREA GENERALLY SOUTH OF I-85. THE
TSRA WILL BE CAPABLE OF VERY GUSTY WINDS AND HAIL. THIS ACTIVITY
WILL BE DIURNALLY DRIVEN AND SHOULD NOT PERSIST INTO THE EVENING.
WINDS GO NORTHERLY OVERNIGHT AS COLD FRONT PUSHES IN. SHOULD REMAIN
TOO DRY FOR FOG EXCEPT PERHAPS IN MTN VALLEYS. THE FRONT MAY HANG UP
OVER THE SAVANNAH RIVER VALLEY AND CAUSE WINDS TO RETURN TO SW AFTER
DAYBREAK AT KAND/KGMU/KGSP. CONFIDENCE ON THIS IS LOW SO NO MENTION
WAS MADE IN THE TAF.

OUTLOOK...DRY HIGH PRESSURE BUILDS IN SATURDAY. VERY ISOLATED
SHRA/TSRA ARE POSSIBLE SAT/SUN AFTNS. AFTN CONVECTION COVERAGE IS
EXPECTED TO INCREASE SOMEWHAT FOR MONDAY AND TUESDAY...AS DEEPER
MOISTURE RETURNS.

CONFIDENCE TABLE...

            20-02Z        02-08Z        08-14Z        14-20Z
KCLT       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KGSP       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KAVL       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KHKY       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KGMU       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%
KAND       HIGH 100%     HIGH 100%     HIGH 100%     HIGH 100%

THE PERCENTAGE REFLECTS THE NUMBER OF GUIDANCE MEMBERS AGREEING
WITH THE SCHEDULED TAF ISSUANCE FLIGHT RULE CATEGORY. COMPLETE
HOURLY EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLES AND ENSEMBLE
FORECASTS ARE AVAILABLE AT THE FOLLOWING LINK: (MUST BE LOWER CASE)

WWW.WEATHER.GOV/GSP/AVIATION_TABLES

&&

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

&&

SYNOPSIS...JPT
NEAR TERM...CDG/WIMBERLEY
SHORT TERM...PM
LONG TERM...JPT
AVIATION...WIMBERLEY
Hazardous weather outlook, May 23, 4:11 AM EDT, 14 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
411 AM EDT FRI MAY 23 2014

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-240815-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER-
IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA-
ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-
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-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
411 AM EDT FRI MAY 23 2014

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

.DAY ONE...TODAY AND TONIGHT.

A COLD FRONT MOVING SLOWLY SOUTHWARD THROUGH THE REGION TODAY WILL
GENERATE ISOLATED TO SCATTERED THUNDERSTORMS...MAINLY THIS
AFTERNOON AND EVENING. ALTHOUGH THE COVERAGE OF THE THUNDERSTORMS
IS NOT EXPECTED TO BE VERY WIDESPREAD...JUST ABOUT ANY
THUNDERSTORM THAT DEVELOPS LATE TODAY WILL HAVE THE POTENTIAL TO
PRODUCE BRIEF BUT DAMAGING WIND GUSTS AND HAIL THE SIZE OF
QUARTERS. IN ADDITION...BRIEF HEAVY DOWNPOURS AND FREQUENT CLOUD
TO GROUND LIGHTNING WILL ACCOMPANY ANY THUNDERSTORM. THE GREATEST
COVERAGE OF THUNDERSTORMS LATE TODAY WILL BE ALONG AND SOUTHEAST
OF INTERSTATE 85...ESPECIALLY ACROSS THE CHARLOTTE METRO AREA AND
THE EASTERN UPSTATE OF SOUTH CAROLINA.

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

..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE ASKED TO RELAY ANY REPORTS OF LARGE HAIL OR
DAMAGING WINDS TO THE NATIONAL WEATHER SERVICE.

HG

In the hours before

Special weather statement, May 23, 5:23 PM EDT, 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
523 PM EDT FRI MAY 23 2014

SCZ007-232145-
SPARTANBURG-
523 PM EDT FRI MAY 23 2014

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL SPARTANBURG COUNTY
THROUGH 545 PM EDT...

AT 518 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR GREER...OR 14 MILES NORTHEAST OF DOWNTOWN
GREENVILLE...MOVING EAST AT 25 MPH.

PEOPLE IN CENTRAL SPARTANBURG COUNTY...INCLUDING THE FOLLOWING
LOCATIONS...

DUNCAN...LYMAN...WESTGATE MALL...ROEBUCK AND SPARTANBURG...

SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE
WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE
WEATHER THREATEN.

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

DIME TO NICKEL SIZE HAIL CAN CAUSE CONSIDERABLE DAMAGE TO VEHICLES.
CONSIDER MOVING VEHICLES TO A COVERED STORAGE AREA BEFORE THE STORM
ARRIVES.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
SPECIFIC LOCATION WHERE IT OCCURRED.

LAT...LON 3489 8223 3505 8222 3501 8178 3496 8176
      3475 8180

LANE
Local storm report, May 23, 5:29 PM EDT, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
529 PM EDT FRI MAY 23 2014

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

0454 PM     HAIL             4 NNE LEEDS             34.68N 81.36W
05/23/2014  E1.75 INCH       CHESTER            SC   PUBLIC

            UP TO GOLF BALL SIZED HAIL REPORTED NORTH OF LEEDS,SC VIA
            SOCIAL MEDIA.

&&

JPT
Special weather statement, May 23, 5:29 PM EDT, 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
529 PM EDT FRI MAY 23 2014

SCZ007-232200-
SPARTANBURG-
529 PM EDT FRI MAY 23 2014

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN SPARTANBURG COUNTY
THROUGH 600 PM EDT...

AT 526 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LANDRUM...OR 8 MILES SOUTH OF COLUMBUS...
MOVING EAST AT 30 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  LANDRUM...
  LAKE BOWEN...
  BOILING SPRINGS SC...

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

DIME TO NICKEL SIZE HAIL CAN CAUSE CONSIDERABLE DAMAGE TO VEHICLES.
CONSIDER MOVING VEHICLES TO A COVERED STORAGE AREA BEFORE THE STORM
ARRIVES.

LAT...LON 3505 8222 3506 8222 3520 8221 3511 8188
      3502 8190

LANE
Local storm report, May 23, 5:40 PM EDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
540 PM EDT FRI MAY 23 2014

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

0520 PM     HAIL             3 W LYMAN               34.95N 82.18W
05/23/2014  E1.00 INCH       SPARTANBURG        SC   AMATEUR RADIO

            HAM RADIO OPERATOR REPORTED DIME TO QUARTER SIZE HAIL AT
            HIGHWAY 80 AND WADE HAMPTON BLVD.

&&

LANE
Local storm report, May 23, 6:12 PM EDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
612 PM EDT FRI MAY 23 2014

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

0610 PM     HAIL             ROCK HILL               34.94N 81.03W
05/23/2014  M1.00 INCH       YORK               SC   PUBLIC

            QUARTER SIZED HAIL REPORTED IN DOWN TOWN ROCK HILL.

&&

JOH
Local storm report, May 23, 6:16 PM EDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
616 PM EDT FRI MAY 23 2014

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

0555 PM     HAIL             5 E YORK                35.00N 81.15W
05/23/2014  M0.88 INCH       YORK               SC   TRAINED SPOTTER

0555 PM     HAIL             5 E YORK                35.00N 81.15W
05/23/2014  M0.88 INCH       YORK               SC   TRAINED SPOTTER

&&

JOH

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 8:08 PM EDTSpecial Weather StatementGSPHaywood37 min
May 22, 8:18 PM EDTSpecial Weather StatementGSPBuncombe, Madison27 min
May 22, 8:44 PM EDTSevere Thunderstorm WarningGSPGraham, Swain61 min
May 22, 8:51 PM EDTSpecial Weather StatementGSPHaywood24 min
May 22, 9:10 PM EDTSpecial Weather StatementGSPMacon35 min
May 23, 7:10 AM EDTSpecial Weather StatementGSPGraham, Haywood, Madison, Mitchell, Swain, Yancey80 min
May 23, 8:17 AM EDTSevere Thunderstorm WarningGSPBuncombe, Haywood, Madison43 min
May 23, 8:34 AM EDTSpecial Weather StatementGSPAvery, Buncombe, Madison, Mitchell, Yancey41 min
May 23, 9:21 AM EDTSpecial Weather StatementGSPBurke, Rutherford24 min
May 23, 9:53 AM EDTSpecial Weather StatementGSPCatawba, Gaston, Lincoln, Mecklenburg37 min
May 23, 10:29 AM EDTSpecial Weather StatementGSPCabarrus, Mecklenburg, Union46 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2014Every severe thunderstorm warning in 2014

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.