Alert archive / North Carolina / Flash Flood Warnings in 2014

Flash Flood Warning 6, NWS Greenville-Spartanburg, SC

May 29, 2014Gaston County, Mecklenburg County, North Carolina; York County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at May 29, 2014, 8:08 PM EDT for Gaston County, Mecklenburg County, North Carolina; York County, South Carolina. It was in force for 3 hr. 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 29, 2014, 8:08 PM EDT (00:08 UTC)
Expired
May 29, 2014, 11:00 PM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
None

Counties Gaston County, NC, Mecklenburg County, NC, York County, SC

The radar

The Greer radar (KGSP), 119 km from the middle of the area, began a volume at 00:11 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 29, 8:14 PM EDTFLASH FLOOD3 W Pineville, SCFLOODING CAUSED 2 LANES TO CLOSE ON I-77 NEAR CAROWINDS BLVD.

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 flash flood warning; the first came 6 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 00:00Z, 0.1 hours before the alert went out and 144 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 00:00Z on 2014-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 283 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 00:00Z on 2014-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.1939Sfc1 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
283 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
702 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

840 
WGUS52 KGSP 300008
FFWGSP
NCC071-119-SCC091-300300-
/O.NEW.KGSP.FF.W.0006.140530T0008Z-140530T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
808 PM EDT THU MAY 29 2014

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN YORK COUNTY IN UPSTATE SOUTH CAROLINA...
  SOUTHEASTERN GASTON COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  SOUTHWESTERN MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH
  CAROLINA...

* UNTIL 1100 PM EDT

* AT 805 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. DOPPLER RADAR ESTIMATES AROUND 1 TO 3 INCHES OF RAIN  
  HAS FALLEN ACROSS THE WARNED AREA OVER THE PAST HOUR. AN           
  ADDITIONAL ONE TO TWO INCHES IS POSSIBLE OVER THE NEXT SEVERAL     
  HOURS. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CENTER CITY CHARLOTTE...GASTONIA...BELMONT...CAROWINDS...CATAWBA
  STATION...CRAMERTON...FREEDOM PARK...I-77 AT I-85...I-85 AT FREEDOM
  DRIVE...LAKE WYLIE...LOWELL...PAW CREEK...PINEVILLE...SOUTHPARK
  MALL...STARMOUNT...STEELE CREEK...THE ARBORETUM AND THE PLAZA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...
COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND
OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

PLEASE REPORT HIGH WATER...FLOODING...LANDSLIDES OR OTHER SEVERE
WEATHER 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 3504 8088 3505 8089 3504 8090 3504 8120
      3528 8120 3529 8079 3504 8077

$$
JOH
2 follow-up statements
732 
WGUS72 KGSP 300149
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
949 PM EDT THU MAY 29 2014

NCC071-119-SCC091-300300-
/O.CON.KGSP.FF.W.0006.000000T0000Z-140530T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GASTON NC-MECKLENBURG NC-YORK SC-
949 PM EDT THU MAY 29 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHEASTERN YORK...
SOUTHWESTERN MECKLENBURG AND SOUTHEASTERN GASTON COUNTIES UNTIL 1100
PM EDT...


* AT 929 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  SLOW MOVING THUNDERSTORMS WITH HEAVY RAINFALL ACROSS THE WARNING   
  AREA. DOPPLER RADAR ESTIMATES THAT AS MUCH AS 3 INCHES OF RAIN HAD 
  FALLEN OVER THE SOUTHERN GASTON COUNTY AND NORTHERN YORK COUNTY    
  OVER THE PAST SEVERAL HOURS. ADDITIONAL MODERATE TO HEAVY RAIN     
  WILL CONTINUE TO FALL OVER THE NEXT 2 HOURS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  STATESVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

PLEASE REPORT HIGH WATER...FLOODING...LANDSLIDES OR OTHER SEVERE
WEATHER 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 3504 8088 3505 8089 3504 8090 3504 8120
      3528 8120 3529 8079 3504 8077

$$

KRENTZ
299 
WGUS72 KGSP 300249
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1049 PM EDT THU MAY 29 2014

NCC071-119-SCC091-300304-
/O.CAN.KGSP.FF.W.0006.000000T0000Z-140530T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GASTON NC-MECKLENBURG NC-YORK SC-
1049 PM EDT THU MAY 29 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHEASTERN
YORK...SOUTHWESTERN MECKLENBURG AND SOUTHEASTERN GASTON COUNTIES IS
CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PLEASE REPORT HIGH WATER...FLOODING...LANDSLIDES OR OTHER SEVERE
WEATHER 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 3504 8088 3505 8089 3504 8090 3504 8120
      3528 8120 3529 8079 3504 8077

$$
JOH

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at May 29, 4:46 PM EDT, 3 hours 22 minutes earlier.

Area forecast discussion, May 29, 4:46 PM EDT, 3 hours 22 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
446 PM EDT THU MAY 29 2014

.SYNOPSIS...
A BACKDOOR COLD FRONT WILL SLOWLY CROSS THE FORECAST AREA FROM THE
NORTHEAST THROUGH FRIDAY NIGHT. HIGH PRESSURE WILL BUILD IN FROM THE
NORTHEAST THIS WEEKEND...AND MOVE OFFSHORE EARLY NEXT WEEK.

&&

.NEAR TERM /THROUGH FRIDAY/...
430 PM UPDATE...FOR THE REMAINDER OF THE AFTERNOON...CONVECTION
SHOULD CONTINUE TO BLOSSOM. CURRENT ACTIVITY IS MAINLY IN CLUSTERS
ALONG OLD OUTFLOW BOUNDARIES...PARTICULARLY ONE LINEAR CLUSTER
HAVING PROPAGATED IN THIS WAY OVER THE TUGALOO/SAVANNAH RIVERS.
ANOTHER CLUSTER IS DEVELOPING ALONG THE BACKDOOR FRONT JUST NE OF
CHARLOTTE. IN GENERAL THE LATEST HRRR SEEMS TO BE DOING A REASONABLY
GOOD JOB AND ALLOWS THE CURRENT ACTIVITY TO DIE DOWN DIURNALLY OVER
THE WRN HALF OF THE FA...BUT INCREASING COVERAGE OVER THE NC
PIEDMONT ALONG THE FRONT. HAVE MAINTAINED THIS IN THE FCST. STEERING
FLOW IS RATHER WEAK...SO STORMS WILL MOVE ONLY SLOWLY. FLASH
FLOODING COULD BE AN ISSUE WITH THE SLOW MOVEMENT OF THE STORMS AND
THE RELATIVELY DEEP MOISTURE. WE MAY SEE A FEW PULSE-TYPE SEVERE
THUNDERSTORMS AS BUOYANCY LOOKS SUFFICIENT AND GENERALLY CLIMBING UP
ABOVE 2000 J/KG...AND DCAPE HAS NOW BECOME INTERESTING /600-900 J/
SOUTH OF THE SRN NC BORDER.

OVER THE NEXT 24 HOURS...THE MAIN CONCERN WILL BE THE FRONTAL ZONE
DROPPING DOWN FROM THE NORTH. A SURFACE REFLECTION ALREADY SHOWS IN
THE CAPE ANALYSIS NUDGING INTO THE NW PIEDMONT...WITH LOW CLOUDINESS
AND STABLE AIR IN N CENTRAL NC. A SHORT WAVE DROPPING DOWN INTO THE
UPPER TROF OFF THE EAST COAST WILL CONTINUE TO DRIVE THIS BOUNDARY
FARTHER SOUTH AND EAST THIS EVENING. THE MODELS DO NOT REALLY SHOW
MUCH IN THE WAY OF LOW LEVEL FORCING BUT THIS COULD BE MASKED BY THE
DIURNAL CONVERGENCE TOWARD THE MTNS. IT STANDS TO REASON THAT THE
BOUNDARY MAY PROVIDE THE FOCUS FOR CONVECTION WELL INTO THE
NIGHTTIME HOURS. THERE IS SOME CONCERN FOR FLASH FLOOD POTENTIAL
OVER THE NC BLUE RIDGE AND FOOTHILLS IF THE BOUNDARY MOVES FAR
ENOUGH SOUTH TO DEVELOP A LOW LEVEL EASTERLY FLOW THAT COULD ANCHOR
STORMS NEAR THE BLUE RIDGE...BUT NOT ENOUGH CONCERN TO ENTERTAIN A
WATCH. EXPECT A DIURNAL REDUCTION IN STORM COVERAGE AFTER MIDNIGHT
IN SPITE OF THE BOUNDARY...SO SOME OF THE LATEST SREF WAS BLENDED
INTO THE POP. ON FRIDAY...SHOWERS AND STORMS SHOULD DEVELOP YET
AGAIN ACROSS THE ENTIRE FCST AREA...BUT WE MIGHT BE COVERED WITH A
LOW CLOUD CEILING BANKED UP AGAINST THE BLUE RIDGE THAT WILL CUT
DOWN ON THE POTENTIAL FOR SEVERE STORMS. TEMPS SHOULD BE A BIT
COOLER WITH THE ADDITIONAL CLOUD COVER AND EASTERLY FLOW DEVELOPING.

&&

.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
AT 215 PM EDT THURSDAY...ON FRIDAY NIGHT AN UPPER RIDGE OVER THE
NORTHERN PLAINS WILL MOVE SOUTHEAST BETWEEN A CLOSED LOW OVER LA AND
AND UPPER TROUGH OFF THE EAST COAST...REACHING THE SOUTHERN
APPALACHIANS. THE RIDGE CENTER WILL MOVE OVER THE OH RIVER VALLEY ON
SATURDAY...AND OVER GA ON SUNDAY.

A BACK DOOR COLD FRONT WILL DRIFT VERY SLOWLY SOUTH ACROSS SC ON
FRIDAY NIGHT...AND ACROSS THE SAVANNAH RIVER VALLEY ON SATURDAY.
MODEL SOUNDINGS SHOW ELEVATED INSTABILITY VERY SLOWLY DECREASING
ALONG THE BOUNDARY ON FRIDAY NIGHT...AND INCREASING AGAIN ON
SATURDAY...MAINTAINING A THREAT OF CONVECTION AND HEAVY RAINFALL. ON
SATURDAY NIGHT THE FRONT MOVES SOUTHWEST OF OUR AREA...BUT LINGERING
LOW LEVEL MOISTURE AND AN EASTERLY UPSLOPE COMPONENT WILL SUPPORT A
CHANCE PRECIPITATION ALONG THE SOUTHERN BLUE RIDGE ESCARPMENT. DRIER
AIR WORKING INTO THE AREA FROM THE NW ON SUNDAY WILL REDUCE THE
CHANCE OF PRECIPITATION...BUT THE MODEL SUGGEST THAT MOISTURE BANKED
UP AGAINST THE SOUTHERN BLUE RIDGE WILL PERSIST...AND SMALL POPS
WILL BE CARRIED THERE AGAIN.

TEMPERATURES WILL RUN ABOVE NORMAL WITH RISING HEIGHTS ALOFT...UNTIL
COOLER AIR BEHIND THE FRONT WORKS INTO THE AREA ON SUNDAY.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
AT 215 PM EDT THURSDAY...ON MONDAY AN UPPER RIDGE WILL EXTEND FROM
FL TO THE EASTERN GREAT LAKES...WHILE A CLOSED UPPER LOW WILL BE
OVER THE WESTERN ATLANTIC AND AN UPPER TROUGH WILL BE OVER THE WEST
COAST. THE UPPER RIDGE PROGRESS TO THE EAST COAST BY TUESDAY...WHILE
A SHORTWAVE MOVES ACROSS THE GREAT LAKES AREA. THE PATTERN
DEAMPLIFIES BY WEDNESDAY...LEADING TO A LARGELY ZONAL FLOW ACROSS
THE NATION...AND WEAK FLAT RIDGING OVER THE SOUTHEAST...A PATTERN
THAT PERSISTS INTO THURSDAY.

SURFACE HIGH PRESSURE WILL BE CENTERED NEAR THE COASTAL VA AND NC ON
MONDAY...AND ALTHOUGH GULF INFLOW ON THE WEST SIDE OF THIS RIDGE
WILL BE FOCUSED OVER THE MS...TN AND OH VALLEYS...THE MODELS
INDICATE MOISTURE OVER THE SOUTHERN APPALACHIANS...WITH UPSLOPE FLOW
AND INCREASING INSTABILITY SUPPORTING DIURNALLY DRIVEN CONVECTION.
AS THE SURFACE HIGH DRIFTS SE AND OFFSHORE FROM TUESDAY THROUGH
THURSDAY...GULF INFLOW WEAKENS...BUT SPREADS EAST...COVERING NE GA
AND THE WESTERN CAROLINAS. UPSLOPE FLOW INTO ELEVATED TERRAIN WILL
BE RATHER WEAK...BUT ENOUGH TO SUPPORT THE BEST CHANCES OF
CONVECTION REMAINING ALONG THE BLUE RIDGE...EVEN AS CONVECTIVE
CHANCES INCREASE TO THE EAST.

TEMPERATURES WILL RISE FROM NEAR NORMAL VALUES...TO ABOVE NORMAL...
EVEN AS HEIGHTS FALL ALOFT...AS COOL NE FLOW VEERS TO THE SW...
AND WARM ADVECTION ENSUES.

&&

.AVIATION /21Z THURSDAY THROUGH TUESDAY/...
AT KCLT...FOR THE REST OF THE DAYLIGHT HOURS...VFR CONDITIONS ARE
EXPECTED OUTSIDE OF THUNDERSTORMS. CLOUD BASES SHOULD BE AROUND
045-050. KEPT THE LOW CLOUDS FEW OR SCT FOR THE INITIAL PERIOD BUT
THERE COULD EASILY BE A TEMPORARY CEILING AT THAT LEVEL. THIS
POSSIBILITY WAS LEFT OUT FOR BREVITY. THE CONVECTION ALLOWING MODELS
ARE STILL GOING FOR A WINDOW OF THUNDERSTORM ACTIVITY DURING THE
LATE AFTERNOON AND EARLY EVENING HOURS...SO THE TEMPO FOR
THUNDERSTORMS WAS KEPT. THE STORMS COULD LINGER THROUGH THE EVENING
AND EARLY MORNING HOURS AS A BACK DOOR COLD FRONT DROPS INTO THE
REGION. INCLUDING A MENTION OF VCSH FOR NOW BUT EXPECT A TEMPO TO BE
ADDED AGAIN AFTER THE FIRST TEMPO EXPIRES. FRONT WILL BRING AN MVFR
CEILING INTO THE PIEDMONT FOR THE HOURS AROUND DAYBREAK. THE LOW
CLOUD CEILING SHOULD LIFT AND SCATTER BY MID MORNING FRIDAY. SOME
DETAIL WAS LEFT OUT OF THE TAF AFTER SUNRISE FRIDAY.

ELSEWHERE...EXPECT MAINLY AFTN AND EVENING CONVECTION WILL FOCUS
ALONG AN APPROACHING BACKDOOR COLD FRONT...WITH TSRA CHANCES HIGHER
FROM KAVL TO KHKY THAN FARTHER S AT THE UPSTATE SC SITES. SHOWERS
AND ISOLD TO SCT TSTMS MAY LINGER THROUGH THE NIGHT...ESPECIALLY
NEAR THE ERN SLOPES OF THE MTNS FROM KAVL TO NEAR KGSP. SFC WINDS
WILL ADJUST TO NRLY TO NELY WITH THE ARRIVAL OF THE FRONT TODAY AT
THE NC SITES...WHILE CONTINUED SW FLOW IS LIKELY AT THE UPSTATE
SITES BEFORE BECOMING LIGHT AND VARIABLE THIS EVENING.

OUTLOOK...ALTHOUGH GRADUAL DRYING WILL DEVELOP FROM THE NE OVER THE
WEEKEND INTO EARLY NEXT WEEK...CONTINUED BOUNDARY LAYER MOISTURE
WILL PRODUCE ISOLATED TO SCATTERED DIURNAL CONVECTION EACH
DAY...WITH MORNING RESTRICTIONS POSSIBLE.

CONFIDENCE TABLE...

            20-02Z        02-08Z        08-14Z        14-20Z
KCLT       HIGH 100%     HIGH  92%     MED   64%     HIGH  86%
KGSP       HIGH 100%     HIGH 100%     LOW   45%     HIGH  91%
KAVL       HIGH 100%     MED   71%     HIGH  83%     HIGH  86%
KHKY       HIGH 100%     MED   77%     MED   67%     MED   68%
KGMU       HIGH 100%     HIGH 100%     LOW   56%     HIGH  91%
KAND       HIGH 100%     HIGH  94%     HIGH  86%     HIGH  91%

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...JAT
NEAR TERM...PM/WIMBERLEY
SHORT TERM...JAT
LONG TERM...JAT
AVIATION...PM/WIMBERLEY
Hazardous weather outlook, May 29, 3:30 PM EDT, 4 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
330 PM EDT THU MAY 29 2014

NCZ033-035>037-048>053-056>059-062>065-068>072-082-501>510-301930-
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-
330 PM EDT THU MAY 29 2014

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED ACROSS WESTERN
NORTH CAROLINA THROUGH TONIGHT AS A COLD FRONT CROSSES THE REGION
FROM THE NORTHEAST. SLOW MOVING THUNDERSTORMS WILL PRODUCE VERY
HEAVY RAINFALL. ISOLATED FLOODING COULD RESULT IF SEVERAL ROUNDS
OF THUNDERSTORMS AFFECT THE SAME LOCATION...ESPECIALLY IN URBAN
AND POOR DRAINAGE AREAS.

IN ADDITION...SEVERAL OF THESE THUNDERSTORMS MAY PRODUCE
LOCALIZED DAMAGING WIND GUSTS AND LARGE HAIL. ALL OF THE
THUNDERSTORMS WILL GENERATE DANGEROUS CLOUD TO GROUND LIGHTNING
STRIKES.

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

..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..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.

.SPOTTER INFORMATION STATEMENT...

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

GAZ010-017-018-026-028-029-SCZ001>014-019-301930-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
330 PM EDT THU MAY 29 2014

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS UPSTATE SOUTH
CAROLINA AND NORTHEAST GEORGIA THROUGH TONIGHT AS A COLD FRONT
PUSHES INTO THE REGION FROM THE NORTHEAST. SLOW MOVING THUNDERSTORMS
COULD PRODUCE VERY HEAVY RAINFALL OVER AFFECTED AREAS. ISOLATED
FLOODING COULD RESULT IF SEVERAL ROUNDS OF THUNDERSTORMS AFFECT
THE SAME LOCATION...ESPECIALLY IN URBAN AND POOR DRAINAGE AREAS.

IN ADDITION...A FEW OF THESE THUNDERSTORMS MAY PRODUCE LOCALIZED
DAMAGING WIND GUSTS AND LARGE HAIL. ALL OF THE THUNDERSTORMS WILL
GENERATE DANGEROUS CLOUD TO GROUND LIGHTNING STRIKES.

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

..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..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.

.SPOTTER INFORMATION STATEMENT...

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

07

In the hours before

Special weather statement, May 29, 6:40 PM EDT, 1 hour 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
640 PM EDT THU MAY 29 2014

NCZ036-057-071-072-292330-
CABARRUS-IREDELL-MECKLENBURG-ROWAN-
640 PM EDT THU MAY 29 2014

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN ROWAN...NORTH
CENTRAL MECKLENBURG...SOUTHEASTERN IREDELL AND NORTHWESTERN CABARRUS
COUNTIES THROUGH 730 PM EDT...

AT 636 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES WEST OF ENOCHVILLE...OR 12 MILES
NORTHWEST OF CONCORD...MOVING SOUTHEAST AT 5 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  ENOCHVILLE...
  I-85 AT HIGHWAY 73...

DIME SIZE HAIL...WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAINFALL ARE
EXPECTED WITH THIS STORM.

THE COMBINATION OF GUSTY WINDS AND WET SOIL CONDITIONS WILL CAUSE
SCATTERED TREES AND POWER LINES TO FALL. SEEK SHELTER INSIDE AN
INTERIOR ROOM.

HEAVY RAINS MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE RAPIDLY. SEEK HIGHER
GROUND IF THREATENED BY FLOOD WATERS.

LAT...LON 3547 8049 3534 8070 3546 8084 3553 8087
      3562 8073

KRENTZ
Local storm report, May 29, 6:51 PM EDT, 1 hour 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
651 PM EDT THU MAY 29 2014

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

0540 PM     HAIL             4 ESE MINT HILL         35.16N 80.60W
05/29/2014  M1.00 INCH       UNION              NC   PUBLIC

&&

JOH
Local storm report, May 29, 7:03 PM EDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
703 PM EDT THU MAY 29 2014

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

0510 PM     TSTM WND DMG     4 SW GAMEWELL           35.83N 81.64W
05/29/2014                   BURKE              NC   911 CALL CENTER

            A TREE DOWN ON HOUSE INTERSECTION OF NC HWY 18 AND
            ANTIOCH RD.

&&

JOH
Special weather statement, May 29, 7:06 PM EDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
706 PM EDT THU MAY 29 2014

SCZ009-292345-
YORK-
706 PM EDT THU MAY 29 2014

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL YORK COUNTY THROUGH 745
PM EDT...

AT 700 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR NEWPORT...OR 7 MILES NORTHWEST OF ROCK
HILL...MOVING EAST AT 5 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  NEWPORT...
  CATAWBA STATION...
  TEGA CAY...

SMALL HAIL...WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAINFALL ARE
EXPECTED WITH THIS STORM.

THE COMBINATION OF GUSTY WINDS AND WET SOIL CONDITIONS WILL CAUSE
SCATTERED TREES AND POWER LINES TO FALL. SEEK SHELTER INSIDE AN
INTERIOR ROOM.

HEAVY RAINS MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE RAPIDLY. SEEK HIGHER
GROUND IF THREATENED BY FLOOD WATERS.

LAT...LON 3493 8098 3495 8121 3511 8120 3511 8104
      3509 8106 3506 8106 3505 8104 3509 8097
      3508 8096

KRENTZ
Local storm report, May 29, 7:12 PM EDT, 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
712 PM EDT THU MAY 29 2014

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

0510 PM     TSTM WND DMG     4 NNE MORGANTON         35.79N 81.68W
05/29/2014                   BURKE              NC   911 CALL CENTER

            TREES AND POWER LINES DOWN ON NC HWY 18 NEAR JOHNS RIVER.

&&

JOH
Local storm report, May 29, 7:27 PM EDT, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
727 PM EDT THU MAY 29 2014

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

0715 PM     FLASH FLOOD      1 NW FAIRVIEW           35.15N 80.55W
05/29/2014                   UNION              NC   911 CALL CENTER

            FLOODING REPORTED ON HWY 218 NEAR CLONTZ ROAD.

&&

JOH

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 8:42 PM EDTSpecial Weather StatementGSPIredell48 min
May 29, 8:52 PM EDTSpecial Weather StatementGSPIredell38 min
May 29, 9:10 PM EDTAreal Flood AdvisoryGSPAlexander, Iredell110 min
May 29, 9:42 PM EDTFlash Flood WarningGSPAlexander, Iredell3 hr
May 29, 9:48 PM EDTFlash Flood WarningGSPAlexander, Iredell3 hr
May 29, 10:03 PM EDTSpecial Weather StatementGSPDavie42 min
May 29, 10:17 PM EDTAreal Flood AdvisoryGSPDavie, Iredell2 hr
May 30, 1:45 PM EDTSpecial Weather StatementGSPMcDowell30 min
May 30, 1:50 PM EDTSevere Thunderstorm WarningGSPTransylvania55 min
May 30, 1:53 PM EDTSpecial Weather StatementGSPBurke52 min
May 30, 3:34 PM EDTSpecial Weather StatementGSPMcDowell41 min
May 30, 4:57 PM EDTSpecial Weather StatementGSPIredell48 min
May 30, 5:03 PM EDTSpecial Weather StatementGSPRutherford42 min
May 30, 6:02 PM EDTAreal Flood AdvisoryGSPIredell118 min
May 30, 6:19 PM EDTSpecial Weather StatementGSPIredell41 min
May 30, 6:49 PM EDTAreal Flood AdvisoryGSPIredell2 hr
May 30, 2:24 PM EDTSpecial Weather StatementGSPAnderson36 min
May 30, 3:15 PM EDTSpecial Weather StatementGSPPickens45 min
May 30, 4:22 PM EDTSpecial Weather StatementGSPGreenville38 min
May 30, 5:59 PM EDTAreal Flood AdvisoryGSPAbbeville2 hr
May 30, 6:05 PM EDTAreal Flood AdvisoryGSPSpartanburg3 hr

Nearby

Flash Flood Warnings in North Carolina, 2014Flash Flood Warnings in South Carolina, 2014Every flash flood 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.