Alert archive / North Carolina / Flash Flood Warnings in 2014

Flash Flood Warning 28, NWS Greenville-Spartanburg, SC

September 3, 2014Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Sep 3, 2014, 7:16 PM EDT for Mecklenburg County, North Carolina. It was in force for 3 hr. 2 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
Sep 3, 2014, 7:16 PM EDT (23:16 UTC)
Expired
Sep 3, 2014, 10:00 PM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
None

County Mecklenburg County, NC

What was reported inside it

TimeReportWhereRemark
Sep 3, 7:35 PM EDTFLASH FLOODNe Charlotte, NCRELAYED REPORT OF THE CLOSURE OF 9TH ST NEAR N BREVARD STREET.
Sep 3, 7:35 PM EDTFLASH FLOODNe Charlotte, NCRELAYED REPORT OF THE CLOSURE OF 9TH ST NEAR N BREVARD STREET. AT LEAST TWO WATER RESCUES WERE PERFORMED IN THIS GENERAL AREA OF UPTOWN CHARLOTTE.

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 2 storm reports to this flash flood warning; the first came 19 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, 11.3 hours before the alert went out and 125 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 2014-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2014-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1524 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
20 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.

468 
WGUS52 KGSP 032316
FFWGSP
NCC119-040200-
/O.NEW.KGSP.FF.W.0028.140903T2316Z-140904T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
716 PM EDT WED SEP 3 2014

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH CAROLINA...

* UNTIL 1000 PM EDT

* AT 712 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
WARNED AREA. AUTOMATED RAIN GAGES INDICATE 2 TO 3 INCHES OF RAIN HAS 
FALLEN JUST WITHIN THE LAST HOUR ACROSS SOME PORTIONS OF THE CITY OF 
CHARLOTTE...PARTICULARLY THE AREAS JUST SOUTH AND EAST OF CENTER 
CITY.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CENTER CITY CHARLOTTE...EASTLAND MALL...FREEDOM PARK...I-77 AT   
I-85...I-85 AT FREEDOM DRIVE...MCALPINE CREEK PARK AND THE PLAZA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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 3523 8069 3510 8074 3521 8092 3532 8088

$$
08
3 follow-up statements
717 
WGUS72 KGSP 032342
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
742 PM EDT WED SEP 3 2014

NCC119-040200-
/O.CON.KGSP.FF.W.0028.000000T0000Z-140904T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MECKLENBURG NC-
742 PM EDT WED SEP 3 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL MECKLENBURG
COUNTY UNTIL 1000 PM EDT...

AT 734 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 
NUMEROUS REPORTS OF FLOODING HAVE BEEN RECEIVED FROM UPTOWN 
CHARLOTTE. SOME STREETS ARE COVERED WITH WATER AND ARE IMPASSABLE. 
9TH STREET IS CLOSED NEAR BREVARD STREET...AND A PORTION OF NORTH 
TRYON STREET IS ALSO UNDERWATER. LITTLE SUGAR CREEK NEAR THE MEDICAL 
CENTER WILL LIKELY FLOW OUT OF ITS BANKS.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CENTER CITY CHARLOTTE...EASTLAND MALL...FREEDOM PARK...I-77 AT 
I-85...I-85 AT FREEDOM DRIVE...MCALPINE CREEK PARK AND THE PLAZA.

ADDITIONAL THUNDERSTORMS ARE BUILDING OVER SOME AREAS WHICH HAVE 
ALREADY RECEIVED 2 TO 3 INCHES OF RAIN...WHICH WILL PROLONG THE 
FLOOD THREAT AND POSSIBLY CAUSE MORE SMALL CREEKS AND DRAINAGES TO 
RISE OUT OF THEIR BANKS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE MINOR FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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 3523 8069 3510 8074 3521 8092 3532 8088

$$
08
479 
WGUS72 KGSP 040110
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
910 PM EDT WED SEP 3 2014

NCC119-040200-
/O.CON.KGSP.FF.W.0028.000000T0000Z-140904T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MECKLENBURG NC-
910 PM EDT WED SEP 3 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL MECKLENBURG
COUNTY UNTIL 1000 PM EDT...

AT 905 PM EDT...MODERATE TO HEAVY RAINFALL CONTINUES ACROSS MUCH OF 
THE CITY OF CHARLOTTE. SEVERAL UPTOWN STREETS WERE FLOODED EARLIER 
THIS EVENING. STREAM GAGES ALONG LITTLE SUGAR CREEK INDICATE THE 
CREEK IS OUT OF ITS BANKS...WITH MUCH OF THE GREENWAY UNDERWATER AS 
WELL AS SOME WALKWAYS IN FREEDOM PARK. IT WILL TAKE SOME TIME FOR 
THE WATERS TO RECEDE.

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...CENTER
CITY CHARLOTTE...EASTLAND MALL...FREEDOM PARK...I-77 AT I-85...I-85 
AT FREEDOM DRIVE...MCALPINE CREEK PARK AND THE PLAZA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THUNDERSTORMS WILL CAUSE MINOR FLOODING OF 
SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND 
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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 3523 8069 3510 8074 3521 8092 3532 8088

$$
08
992 
WGUS72 KGSP 040136
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
936 PM EDT WED SEP 3 2014

NCC119-040150-
/O.CAN.KGSP.FF.W.0028.000000T0000Z-140904T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MECKLENBURG NC-
936 PM EDT WED SEP 3 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL MECKLENBURG
COUNTY IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE CHARLOTTE AREA. 
RESIDUAL RISES MAY CONTINUE ON STREAMS AND CREEKS IN THE ADVISORY 
AREA THROUGH LATE EVENING...BUT NONE ARE EXPECTED TO RISE OUT OF 
THEIR BANKS...SO THE FLOOD THREAT HAS ENDED. 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 3523 8069 3510 8074 3521 8092 3532 8088

$$
08

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 Sep 3, 4:34 PM EDT, 2 hours 42 minutes earlier.

Area forecast discussion, Sep 3, 4:34 PM EDT, 2 hours 42 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
434 PM EDT WED SEP 3 2014

.SYNOPSIS...
NEARLY STATIONARY FRONTAL MOISTURE AXIS WILL MEANDER ACROSS THE
CAROLINAS TONIGHT THROUGH THURSDAY BEFORE LIFTING NORTHWARD INTO THE
WEEKEND. IN RESPONSE...PRECIPITATION CHANCES WILL REMAIN ELEVATED
ESPECIALLY DURING PEAK HEATING EACH AFTERNOON. ANOTHER COLD FRONT
WILL SLOWLY PUSH THROUGH THE REGION OVER THE WEEKEND WITH SHOWERS
AND THUNDERSTORMS LIKELY ON SATURDAY EVENING AND THROUGH SUNDAY.
COOLER HIGH PRESSURE WILL BUILD ACROSS THE REGION FOR THE START OF
THE NEW WORK WEEK LEADING TO DECREASED PRECIPITATION CHANCES AND
BELOW NORMAL TEMPERATURES.

&&

.NEAR TERM /THROUGH THURSDAY/...
AS OF 420 PM...NUMEROUS/WIDESPREAD COVERAGE OF CONVECTION PERSISTS
ACROSS OUR SOUTHERN TIER OF COUNTIES LATE THIS AFTERNOON. WEAK
SOUTHERLY SHEAR IS SUPPORTING ADVANCE OF THE ASSOCIATED OUTFLOW
BOUNDARIES FARTHER NORTH INTO THE UPSTATE AND APPROACHING THE
SOUTHERN NC PIEDMONT. HOWEVER...THESE BOUNDARIES ARE ENCOUNTERING A
DECIDEDLY LESS UNSTABLE AIR MASS (LESS THAN 2000 J/KG PER THE LATEST
SPC MESOANALYSIS)...AND THE LATEST RADAR TRENDS SUGGEST THE OUTFLOW
BOUNDARIES ARE BECOMING A LITTLE LESS ACTIVE AS THEY PUSH FARTHER
NORTH. NEVERTHELESS...WILL CONTINUE WITH LIKELY POPS ROUGHLY
ALONG/SOUTH OF THE I-85 CORRIDOR INTO THE EVENING HOURS. ONE AREA
WHERE POPS HAVE BEEN SCALED BACK QUITE A BIT IS ACROSS THE NC
MTNS... WHERE COVERAGE IS BARELY REGISTERING IN THE ISOLATED
CATEGORY ATTM. THE BEST CHANCES THERE MAY BE LATER THIS EVENING...
AS CONVECTION CURRENTLY PLAGUING THE TENN VALLEY CONTINUES TO DRIFT
NE. WITH WEAK LOW LEVEL SHEAR/DEEP LAYER FLOW...AND HIGH FREEZING
LEVELS...THE MAIN THREATS SHOULD CONTINUE TO BE ISOLATED MICROBURSTS
AND LOCALLY HEAVY-TO-EXCESSIVE RAINFALL.

FOR THE REMAINDER OF THE AFTERNOON...CONTINUED WARMING AND
DESTABILIZATION SHOULD FUEL THE DEVELOPMENT OF SCATTERED TO NUMEROUS
THUNDERSTORMS ORGANIZED LOOSELY BY A LEFTOVER VORT CENTER. STILL
THINK WE HAVE A DECENT POTENTIAL FOR WIND DAMAGE FROM WET
MICROBURSTS IN STRONGER STORMS BECAUSE OF DCAPE. HAVE ALTERED THE
PRECIP PROBABILITIES FOR RADAR TRENDS THROUGH LATE AFTERNOON...
INCLUDING A BIT OF A DELAY TO THE ONSET ACROSS THE NC PIEDMONT...
BASED ON THE CONVECTION ALLOWING MODELS. THOSE SAME MODELS STILL
BLOW UP PRECIP OVER NE GEORGIA LATE IN THE DAY AND EXTEND IT
EASTWARD UP THE I-85 CORRIDOR THROUGH EARLY EVENING. THIS IS
ESPECIALLY TRUE OF THE 12Z RUN OF THE SPC WRF. GIVEN THE EXPECTED
DEGREE OF DESTABILIZATION...THIS SEEMS REASONABLE. THE FLASH FLOOD
POTENTIAL MIGHT BE GREATER THAN THE SEVERE TSTM POTENTIAL THROUGH
LATE EVENING. WE WILL HAVE MANY OF THE NECESSARY INGREDIENTS IN
PLACE...HIGH PW...WEAK FORCING ALOFT...SLOW STORM MOTION...BUT NOT
ALL INGREDIENTS. WE LACK A SURFACE BOUNDARY AND THE WARM CLOUD DEPTH
DOES NOT LOOK GREAT. SUSPECT WE WILL SEE A FLASH FLOOD OVER SOME
SMALL AREA...BUT CANNOT NARROW DOWN THE LOCATION ENOUGH TO ISSUE A
WATCH AT THIS TIME.

OVER THE NEXT 24 HOURS...NOT MUCH CHANGE IS EXPECTED AS WE REMAIN
UNDER A FLAT UPPER RIDGE. AN ORPHANED VORT CENTER WILL LANGUISH
ACROSS THE REGION THROUGH THURSDAY WHICH MAY PROVIDE ENOUGH IMPETUS
TO DEVELOP ADDITIONAL SHOWERS AND STORMS. SO...AFTER A BRIEF LULL
AROUND DAYBREAK ON THURSDAY...EXPECT WE WILL BE RIGHT BACK AT IT BY
MIDDAY ONCE ANY SORT OF CONVECTIVE DEBRIS OR FOG BURNS OFF. NOT
READY TO COMMIT TO ANYTHING MORE THAN A CHANCE POP ON THURSDAY...BUT
THIS WILL EVENTUALLY BE RAISED TO LIKELY BASED ON MESOSCALE MODEL
OUTPUT CONSENSUS. TEMPS WILL BE MILD AGAIN OVERNIGHT...AND NEAR
NORMAL FOR THURSDAY HIGHS.

&&

.SHORT TERM /THURSDAY NIGHT THROUGH SATURDAY/...
AS OF 225 PM WEDNESDAY...THURSDAY NIGHT...THE NAM...AND TO SOME
DEGREE THE GFS...INDICATES THAT A CONVECTIVELY ACTIVE SEA BREEZE
WILL REACH THE PIEDMONT DURING THE LATE NIGHT HOURS. LINGERING
INSTABILITY AND LIKELIHOOD OF AN APPROACHING SEA BREEZE WILL SUPPORT
A MENTION OF SCHC TO CHC POPS THROUGH FRIDAY MORNING. ON FRIDAY...H5
RIDGING WILL REMAIN ACROSS THE DEEP SOUTH AND SOUTHEAST...WITH THE
CWA BETWEEN TWO H7 RIDGES. AT THE SFC...BROAD LOW PRESSURE ACROSS
THE DEEP SOUTH WITH A HIGH CENTERED OVER THE WESTERN ATLANTIC. THE
SFC PATTERN SHOULD YIELD LIGHT LLVL SOUTHEAST FLOW...PROVIDING WEAK
UPSLOPE FLOW THROUGH THE AFTERNOON. I WILL FORECAST A MID TO LATE
AFTERNOON PEAK IN POPS...RANGING FROM LIKELY ACROSS THE RIDGES TO 30
TO 40 ACROSS THE PIEDMONT. TEMPERATURES SHOULD VERIFY NEAR NORMAL.

ON SATURDAY...SHORT RANGE MODELS INDICATE THAT A MID LEVEL SHORT
WAVE WILL RIPPLE ACROSS KY/TN DURING THE AFTERNOON. AS THE SHORT
WAVE APPROACHES...HEIGHTS ACROSS THE CWA WILL GRADUALLY FALL. THE
COMBINATION OF MODERATE INSTABILITY AND SOME MID LEVEL SUPPORT
SHOULD RESULT IN LIKELY COVERAGE ACROSS THE MTNS TO 40 POPS EAST.
NEAR NORMAL TEMPERATURES ARE EXPECTED AGAIN ON SATURDAY.

&&

.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
AS OF 230 PM EDT WEDNESDAY...A RATHER LONGWAVE UPPER TROUGH WILL
SWING ACROSS THE EASTERN STATES SAT NIGHT INTO SUN FOLLOWED BY AN
UPPER SHORTWAVE MONDAY. AN UPPER RIDGE WILL AMPLIFY ACROSS THE
SOUTHERN CONUS TUE INTO WED WHILE ANOTHER DEEP UPPER LOW PRESSURE
TROUGH IS PROGGED TO DIG INTO THE UPPER GREAT PLAINS BY WED.

AT THE SURFACE...A STATIONARY FRONT WILL BE OVER OUR CWA SAT NIGHT
INTO SUN BEFORE SLIPPING SOUTH OUR OF THE ARE BY SUN NIGHT AS A
WEDGE OF SURFACE HIGH BUILDS IN FROM THE NE. POPS REMAIN IN THE
SOLID CHANCE TO LIKELY RANGE ACROSS MUCH OF THE REGION THRU SUN
BEFORE RAMPING DOWN BY SUN NIGHT. MON/TUE LOOKS RATHER DRIER AS THE
COOL AIR WEDGE OVER THE REGION STABILIZES THE ATMOS THOUGH DEEP
MOISTURE AXIS JUST TO OUR SOUTH ALONG WITH MOIST UPGLIDE MAY PRODUCE
SOME LIGHT SHOWERS. HENCE...HAVE CARRIED AFTERNOON SLIGHT CHANCE TO
LOW END CHANCE POPS MON/TUE. MOIST SOUTHERLY FLOW REDEVELOPS ACROSS
THE AREA BY WED AFTERNOON AS THE PARENT HIGH CENTERED OVER THE NE
SLIDES OFF THE ATLANTIC COAST. TEMPERATURES WILL REMAIN 5-10 DEGREES
BELOW NORMAL THRU THE PERIOD.

&&

.AVIATION /21Z WEDNESDAY THROUGH MONDAY/...
AT KCLT AND ELSEWHERE...A LIGHT NE WIND SHOULD COME AROUND TO LIGHT
SE THROUGH MID AFTERNOON. CONVECTION WILL DEVELOP AS WELL. THE
CONVECTION ALLOWING MODELS DEVELOP PRECIP INTO METRO CLT AROUND 22Z
SO THAT WILL BE USED TO OPEN A 4 HR TIME WINDOW FOR TSRA AT THE
AIRPORT. THERE COULD EASILY BE STORMS WELL INTO THE EVENING BUT THE
TSRA WILL BE DROPPED AT 02Z FOR NOW. ANY STORM COULD HAVE HEAVY RAIN
WITH LOW IFR VISIBILITY...AND STRONG VARIABLE WIND GUSTS DUE TO WET
MICROBURSTS. IF THE RAIN HAPPENS AT THE SITE...THE CHANCE FOR AN
EARLY MORNING FOG RESTRICTION SHOULD INCREASE SIGNIFICANTLY. WILL
LEAVE THE FOG/MVFR VIS OUT FOR NOW. EXPECT CONVECTION TO DEVELOP
AGAIN THURSDAY MORNING FAIRLY EARLY IN THE DAY SO THE TAF INCLUDES
AN MVFR CEILING JUST AFTER SUNRISE. EXPECT MORE SHOWERS AND STORMS
THURSDAY AFTERNOON BUT THAT WAS LEFT OUT FOR NOW.

OUTLOOK...GENERALLY VFR CONDITIONS ARE EXPECTED THROUGH THE REST OF
THE WEEK...BUT LOW CLOUD AND FOG RESTRICTIONS ARE POSSIBLE EARLY
EACH MORNING IN THE MOUNTAIN VALLEYS. DIURNALLY DRIVEN TSRA ARE
EXPECTED EACH AFTERNOON AND EARLY EVENING...WITH THE MOST COVERAGE
OVER THE MOUNTAINS. THUNDERSTORM COVERAGE MAY INCREASE THIS WEEKEND
AS A COLD FRONT ARRIVES.

CONFIDENCE TABLE...

            20-02Z        02-08Z        08-14Z        14-20Z
KCLT       HIGH 100%     HIGH 100%     MED   78%     HIGH  91%
KGSP       HIGH 100%     HIGH 100%     MED   68%     MED   73%
KAVL       MED   78%     HIGH  87%     MED   79%     MED   74%
KHKY       HIGH 100%     HIGH 100%     MED   62%     HIGH  98%
KGMU       HIGH 100%     HIGH 100%     HIGH  82%     MED   79%
KAND       HIGH 100%     HIGH 100%     LOW   56%     HIGH  85%

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...JOH
NEAR TERM...JDL/PM
SHORT TERM...NED
LONG TERM...JOH
AVIATION...PM
Hazardous weather outlook, Sep 3, 4:20 PM EDT, 2 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
420 PM EDT WED SEP 3 2014

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-042030-
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-
420 PM EDT WED SEP 3 2014

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

.DAY ONE...TONIGHT.

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS THE
REGION THROUGH LATE THIS EVENING. SOME OF THESE THUNDERSTORMS ARE LIKELY
TO REACH SEVERE LIMITS WITH DAMAGING WINDS...LARGE HAIL...AND
FREQUENT CLOUD TO GROUND LIGHTNING BEING THE PRIMARY THREATS.
ISOLATED FLASH FLOODING IS ALSO POSSIBLE ADJACENT TO ANY STRONGER
AND OR ANCHORING CELLS. THUNDERSTORMS ARE FORECAST TO DISSIPATE
AFTER MIDNIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

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

.SPOTTER INFORMATION STATEMENT...

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

NED

In the hours before

Local storm report, Sep 3, 6:07 PM EDT, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
607 PM EDT WED SEP 03 2014

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

0602 PM     HAIL             9 WSW CARNESVILLE       34.31N 83.37W
09/03/2014  E0.25 INCH       FRANKLIN           GA   PUBLIC

            OBSERVED ALONG HIGHWAY 59

&&
Special weather statement, Sep 3, 6:08 PM EDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
608 PM EDT WED SEP 3 2014

SCZ006-007-032300-
GREATER GREENVILLE-SPARTANBURG-
608 PM EDT WED SEP 3 2014

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL GREENVILLE AND WEST
CENTRAL SPARTANBURG COUNTIES THROUGH 700 PM EDT...

AT 607 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR DONALDSON CENTER...OR 5 MILES SOUTH OF
DOWNTOWN GREENVILLE...MOVING NORTHEAST AT 5 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  I-85 AT AUGUSTA RD...
  DOWNTOWN GREENVILLE...
  CHERRYDALE POINT...
  MAULDIN...
  SHOPS AT GREENRIDGE...

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

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.

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 3477 8246 3477 8245 3478 8246 3488 8249
      3508 8212 3477 8204 3475 8212 3478 8215
      3473 8218 3465 8243

JOH
Special weather statement, Sep 3, 6:11 PM EDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
611 PM EDT WED SEP 3 2014

NCZ069>072-082-032315-
CABARRUS-GASTON-LINCOLN-MECKLENBURG-UNION-
611 PM EDT WED SEP 3 2014

...STRONG THUNDERSTORMS WILL AFFECT NORTHERN UNION...MECKLENBURG...
SOUTHEASTERN LINCOLN...EASTERN GASTON AND SOUTHERN CABARRUS COUNTIES
IN THE PIEDMONT OF NORTH CAROLINA THROUGH 715 PM EDT...

AT 607 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM MOUNT HOLLY TO LAKE
PARK TO 8 MILES NORTH OF MARSHVILLE...MOVING NORTH AT 10 MPH. THIS
LINE OF STORMS WILL MOVE SLOWLY NORTHWARD THROUGH THE CHARLOTTE
METROPOLITAN AREA OVER THE NEXT HOUR.

THESE STORMS WILL IMPACT LOCATIONS NEAR...
  I-85 AT FREEDOM DRIVE...
  HEMBY BRIDGE...
  THE PLAZA...
  I-77 AT I-85...
  MOUNTAIN ISLAND LAKE...
  HIDDEN VALLEY...

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

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

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 3498 8030 3494 8068 3506 8090 3511 8094
      3509 8096 3515 8107 3554 8100 3551 8096
      3550 8096 3550 8093 3531 8060 3533 8041
      3519 8050 3517 8044 3517 8035 3520 8029
      3519 8027

08
Special weather statement, Sep 3, 6:28 PM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
628 PM EDT WED SEP 3 2014

NCZ059-062-063-032315-
MACON-NORTHERN JACKSON-SOUTHERN JACKSON-
628 PM EDT WED SEP 3 2014

...A STRONG THUNDERSTORM WILL AFFECT JACKSON AND EASTERN MACON
COUNTIES THROUGH 715 PM EDT...

AT 624 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LAKE GLENVILLE...OR 12 MILES SOUTH OF
SYLVA...MOVING SOUTHEAST AT 5 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  LAKE GLENVILLE...
  CASHIERS...

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.

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 3539 8322 3523 8295 3520 8297 3519 8299
      3517 8298 3516 8298 3517 8300 3515 8300
      3500 8318 3526 8339

JOH
Special weather statement, Sep 3, 6:43 PM EDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
643 PM EDT WED SEP 3 2014

SCZ002-005-032330-
GREATER PICKENS-PICKENS MOUNTAINS-
643 PM EDT WED SEP 3 2014

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL PICKENS COUNTY
THROUGH 730 PM EDT...

AT 642 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES SOUTHWEST OF FURMAN UNIVERSITY...OR 8
MILES WEST OF DOWNTOWN GREENVILLE...MOVING NORTH AT 10 MPH.

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

GUSTY WINDS CAN BLOW DOWN TREES THAT ARE DEAD...OR THAT HAVE WEAKENED
ROOT SYSTEMS. OUTDOOR FURNITURE AND SIMILAR ITEMS CAN BE TOSSED
AROUND IF NOT ANCHORED. SEEK SHELTER INDOORS.

LAT...LON 3501 8264 3501 8255 3499 8254 3498 8254
      3497 8253 3492 8252 3488 8249 3483 8249
      3483 8248 3480 8253 3479 8259

08
Special weather statement, Sep 3, 6:48 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
648 PM EDT WED SEP 3 2014

NCZ048-053-032345-
BUNCOMBE-MADISON-
648 PM EDT WED SEP 3 2014

...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL MADISON AND WEST
CENTRAL BUNCOMBE COUNTIES THROUGH 745 PM EDT...

AT 646 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES SOUTHWEST OF MARSHALL. THIS STORM WAS
NEARLY STATIONARY.

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.

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 3567 8259 3563 8284 3585 8287 3588 8268

JOH

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 8:02 PM EDTSpecial Weather StatementGSPRowan43 min
Sep 2, 8:17 PM EDTSpecial Weather StatementGSPCabarrus43 min
Sep 2, 8:21 PM EDTSpecial Weather StatementGSPIredell39 min
Sep 2, 8:27 PM EDTSevere Thunderstorm WarningGSPIredell48 min
Sep 2, 8:47 PM EDTSpecial Weather StatementGSPAvery, Graham, Haywood, Madison, Mitchell, Swain and 1 more43 min
Sep 2, 9:21 PM EDTSevere Thunderstorm WarningGSPHaywood, Madison54 min
Sep 2, 10:08 PM EDTSpecial Weather StatementGSPYancey52 min
Sep 2, 10:35 PM EDTSpecial Weather StatementGSPBuncombe40 min
Sep 2, 11:04 PM EDTSpecial Weather StatementGSPMcDowell41 min
Sep 2, 11:18 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell32 min
Sep 3, 5:23 PM EDTSpecial Weather StatementGSPMadison52 min
Sep 3, 6:01 PM EDTSpecial Weather StatementGSPHaywood44 min
Sep 3, 6:11 PM EDTSpecial Weather StatementGSPMecklenburg, Union64 min
Sep 3, 6:28 PM EDTSpecial Weather StatementGSPJackson47 min
Sep 3, 6:48 PM EDTSpecial Weather StatementGSPMadison57 min
Sep 3, 6:49 PM EDTAreal Flood AdvisoryGSPMecklenburg2 hr
Sep 3, 7:42 PM EDTAreal Flood AdvisoryGSPCabarrus, Mecklenburg108 min
Sep 3, 7:51 PM EDTSpecial Weather StatementGSPTransylvania54 min
Sep 3, 7:53 PM EDTSpecial Weather StatementGSPUnion67 min

Nearby

Flash Flood Warnings in North 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.