Alert archive / North Carolina / Flash Flood Warnings in 2014

Flash Flood Warning 37, NWS Greenville-Spartanburg, SC

September 13, 2014Gaston County, Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Sep 13, 2014, 10:01 PM EDT for Gaston County, Mecklenburg County, North Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 13, 2014, 10:01 PM EDT (02:01 UTC)
Expired
Sep 14, 2014, 1:00 AM 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

The radar

The Greer radar (KGSP), 126 km from the middle of the area, began a volume at 02:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.0 hours before the alert went out and 136 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 2014-09-14Temperature 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 00:00Z on 2014-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1073 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-41 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.

604 
WGUS52 KGSP 140201
FFWGSP
NCC071-119-140500-
/O.NEW.KGSP.FF.W.0037.140914T0201Z-140914T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1001 PM EDT SAT SEP 13 2014

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN GASTON COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  SOUTHERN MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH CAROLINA...

* UNTIL 100 AM EDT

* AT 957 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. RADAR ESTIMATED THAT BETWEEN 1 TO 1.5 INCHES OF RAIN  
  HAS FALLEN OVER THE CHARLOTTE METRO AREA WITHIN THE PAST HALF      
  HOUR. ADDITIONAL RAINFALL AMOUNTS OF UP TO 2 INCHES 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...UNC CHARLOTTE...BELMONT...CRAMERTON...
  EASTLAND MALL...FREEDOM PARK...HIDDEN VALLEY...I-77 AT I-85...I-85
  AT FREEDOM DRIVE...MATTHEWS...MCALPINE CREEK PARK...MOUNT HOLLY...
  PAW CREEK...PINEVILLE...SOUTHPARK MALL...STARMOUNT...STEELE
  CREEK...THE ARBORETUM 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.

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.

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 3506 8073 3506 8090 3511 8094 3510 8095
      3512 8104 3515 8106 3516 8109 3532 8111
      3535 8069 3526 8067 3512 8066

$$
JOH
2 follow-up statements
020 
WGUS72 KGSP 140257
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1057 PM EDT SAT SEP 13 2014

NCC071-140310-
/O.CAN.KGSP.FF.W.0037.000000T0000Z-140914T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GASTON NC-
1057 PM EDT SAT SEP 13 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHEASTERN GASTON
COUNTY 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 3506 8074 3506 8090 3511 8094 3510 8095
      3512 8104 3514 8105 3515 8105 3515 8101
      3518 8099 3518 8066 3512 8066

$$

NCC119-140500-
/O.CON.KGSP.FF.W.0037.000000T0000Z-140914T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MECKLENBURG NC-
1057 PM EDT SAT SEP 13 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN MECKLENBURG
COUNTY UNTIL 100 AM EDT...

AT 1055 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED 
THAT AROUND 2 TO 3 INCHES OF RAIN HAS FALLEN OVER SOUTHERN 
MECKLENBURG COUNTY SINCE 7 PM. ALTHOUGH THE RAINFALL RATES HAVE 
DECREASED OVER THE PAST HOUR...SMALL CREEKS AND RIVER LEVELS WILL 
REMAIN HIGH.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
MATTHEWS...MCALPINE CREEK PARK...PINEVILLE...SOUTHPARK MALL...
STARMOUNT...STEELE CREEK AND THE ARBORETUM.

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.

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 3506 8074 3506 8090 3511 8094 3510 8095
      3512 8104 3514 8105 3515 8105 3515 8101
      3518 8099 3518 8066 3512 8066

$$
JOH
889 
WGUS72 KGSP 140352
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1152 PM EDT SAT SEP 13 2014

NCC119-140408-
/O.CAN.KGSP.FF.W.0037.000000T0000Z-140914T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MECKLENBURG NC-
1152 PM EDT SAT SEP 13 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN
MECKLENBURG COUNTY 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 3506 8074 3506 8090 3511 8094 3510 8095
      3512 8104 3514 8105 3515 8105 3515 8101
      3518 8099 3518 8066 3512 8066

$$
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 Sep 13, 10:00 PM EDT, 1 minute earlier.

Area forecast discussion, Sep 13, 10:00 PM EDT, 1 minute before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1000 PM EDT SAT SEP 13 2014

.SYNOPSIS...
A STATIONARY FRONT WILL REMAIN JUST TO OUR SOUTH OVER THE WEEKEND
AND INTO EARLY NEXT WEEK WITH HUMID AND UNSETTLED WEATHER EACH DAY.
A BACK DOOR COLD FRONT WILL THEN CROSS THE AREA BY THE MIDDLE OF
NEXT WEEK WITH A COOL AIR WEDGE PATTERN SETTING UP BY THE END OF THE
WORK WEEK.

&&

.NEAR TERM /THROUGH SUNDAY/...
0200 UTC UPDATE...POPS WERE ADJUSTED TO FIT THE LATEST RADAR
TRENDS...FAVORING A SWATH FROM SPARTANBURG TO CHARLOTTE. SKY COVER
WAS UPDATED FROM SATELLITE IMAGERY...INTRODUCING BREAKS IN THE NORTH
AND WEST.

AT 900 PM EDT SATURDAY...A BROAD LOW AMPLITUDE UPPER TROUGH WAS
LOCATED OVER THE NORTHERN TIER OF STATES...WITH ZONAL FLOW ACROSS
THE NATION. MODEL DATA SHOWED A WEAK UPPER IMPULSE CROSSING THE
SOUTHERN APPALACHIANS THIS EVENING. SURFACE ANALYSIS PLACED A
STATIONARY FRONT NEAR THE FALL LINE IN THE PIEDMONT OF THE CAROLINAS
AND GA.

MOST CONVECTIVE ACTIVITY HAS BEEN CONCENTRATED CLOSE TO THE SURFACE
FRONT IN THE SC MIDLANDS. OUTFLOW BOUNDARIES MOVING NW FORM THIS
AREA HAVE REACHED THE SOUTHERN PORTION OF THE CHARLOTTE METRO
AREA...BUT APPEAR TO BE SLOWING. ANOTHER ROUND OF CONVECTION MOVING
SOUTH ACROSS THE US 74 CORRIDOR IN THE NC FOOTHILLS APPEARS TO BE ON
A COLLISION COURSE WITH THE CHARLOTTE AREA STORMS. MORE CONVECTION
WAS NOTED IN NE GA...AND THE SW NC MOUNTAINS.

MODEL SOUNDINGS SHOW INSTABILITY WANING THIS EVENING...BUT WITH A
VERY MOIST PROFILE...WEAK STEERING FLOW...AND BOUNDARIES COLLIDING
AND WANDERING ABOUT...HEAVY RAINFALL AND LOCAL FLOODING MAY CONTINUE
WELL INTO THE NIGHT. NE WINDS BEHIND THE FRONT MAY BE TO LIGHT TO
KEEP FOG FROM FORMING...BUT GUIDANCE ONLY SUPPORTS VERY LOW
VISIBILITY IN THE NC MOUNTAIN VALLEYS. MINIMUM TEMPERATURES WILL RUN
NEAR NORMAL IN RELATIVELY COOL NE FLOW.

COOL HIGH PRESSURE WEDGING DOWN THE EAST SLOPES OF THE APPALACHIANS
WILL CONTINUE THROUGH SUNDAY. LOOKS LIKE CLOUDS WILL BE PLENTIFUL...
BUT ISENTROPIC LIFT OVER THE WEDGE LOOKS WEAK...SO PRECIP CHANCES
ARE ON THE LOW END FOR SUNDAY. THE SW HALF OF THE AREA STANDS THE
BEST CHANCE FOR SOME PATCHY LIGHT RAIN...AND EVEN SOME SCT
SHOWERS/THUNDERSTORMS OVER THE SW MOUNTAINS WHERE THE WEDGE AIRMASS
TYPICALLY DOES NOT REACH. IT WILL BE A COOL DAY ON SUNDAY WITH
MAX TEMPS UP TO 15 DEGREES SHY OF CLIMO OUTSIDE THE MOUNTAINS.

&&

.SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/...
AS OF 210 PM SATURDAY...WE APPEAR TO HAVE ENTERED INTO A PERIOD OF
TIME WHEN COLD AIR DAMMING WEDGES WILL WAX AND WANE AS THE OVERALL
UPPER PATTERN REMAINS FAIRLY CONSTANT...WHILE AN OLD SURFACE
BOUNDARY REMAINS STRUNG OUT W TO E TO OUR SOUTH AND HIGH PRESSURE
CENTERS PASS BY TO OUR N. THE PROBLEM IS THAT EACH PASSING HIGH
STAYS PROGRESSIVE...SO THE WDEGE NEVER REALLY LOCKS IN. THE FIRST
SUCH WEDGE ON SUNDAY NIGHT WEAKENS AND FALLS APART ON MONDAY AS WHAT
PASSES FOR A PARENT HIGH DRIFTS OFF THE NE COAST AND WEAKENS FURTHER
AND A LEE TROF ESSENTIALLY OVERWHELMS THE REMNANT COOL POOL E OF THE
MTNS. AFTER MILD OVERNIGHT TEMPS...THIS SHOULD ALLOW FOR SOME
REBOUND OF HIGH TEMPS ON MONDAY ASSUMING THE COOL POOL DRAINS AND WE
GET SOME AFTERNOON SUN ACROSS THE FOOTHILLS AND PIEDMONT. HAVE
CONTINUED A DOWNWARD TREND ON PRECIP CHANCES BASED ON THE NEW MODEL
GUIDANCE AND 09Z SREF.

ON MONDAY NIGHT...A FAIRLY STRONG SHORT WAVE WILL MOVE OVERHEAD
WHICH WILL SERVE TO BRING THE AXIS OF A BROAD UPPER TROF OVER THE
CAROLINAS FOR TUESDAY. THE APPROACH AND PASSAGE OF THIS WAVE MAY
TRIGGER ADDITIONAL SHOWER ACTIVITY OVERNIGHT SO A CHANCE POP WAS
KEPT ACROSS MOST OF THE REGION THROUGH TUESDAY MORNING. THIS FEATURE
WILL ALSO BRING A REINFORCING SURFACE BOUNDARY IN FROM THE WEST
WHICH SHOULD PUSH THROUGH EARLY IN THE DAY. BEHIND THIS
BOUNDARY...THE NEXT SURFACE HIGH SHOULD BRIDGE ACROSS THE
APPALACHIANS ON TUESDAY SETTING UP THE POTENTIAL FOR THE DEVELOPMENT
OF ANOTHER WEDGE-LIKE SCENARIO BY THE END OF THE DAY. THE GFS IS
MOST AGGRESSIVE WITH DEVELOPING NEW PRECIP IN THE DEVELOPING
EASTERLY UPSLOPE IN THE AFTERNOON BUT EVEN THE NAM HAS SOME ACTIVITY
NEAR THE MTNS. WILL NUDGE THE FCST IN THE DIRECTION OF THE LOWER POP
SEEN IN THE NEW MOSGUIDE AND AWAY FROM THE MORE ROBUST SREF. TEMPS
COULD BE TRICKY AGAIN IF NEW PRECIP DEVELOPS PER THE GFS. EXPECT
TEMPS TO BE A BIT WARMER ACROSS THE SOUTH BUT KEPT THEM THE SAME
ACROSS THE NRN TIER.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
AS OF 155 PM SATURDAY...THE MEDIUM RANGE FCST PICK UP AT 00Z ON
WEDNESDAY WITH A BROAD...LONGWAVE UPPER TROF OVER THE EASTERN CONUS
AND UPPER RIDGING OVER THE WEST. THE TROF IS EXPECTED TO AMPLIFY TO
SOME DEGREE OVER THE NEXT COUPLE OF DAYS AND THEN LIFT NE BY THE END
OF THE WORK WEEK. BY NEXT WEEKEND...THE UPPER RIDGE WILL BUILD
EASTWARD AND LIKELY BE IN PLACE OVER THE FCST AREA BY NEW DAY 7.

AT THE SFC...A NORTHERN PLAINS HIGH WILL DRIFT FARTHER EAST ON TUES
AND SHOULD BE CENTERED OVER THE GREAT LAKES BY THE START OF THE
MEDIUM RANGE AT 00Z WED. THE MODELS CONTINUE TO INDICATE THAT THIS
HIGH WILL BE ABSORBED BY A STRONGER CANADIAN HIGH BY LATE WED/EARLY
THURS. THE HIGH WILL THEN DRIFT OVER NORTHERN NEW ENGLAND OVER THE
NEXT DAY OR TWO AND REMAIN THERE THRU NEW DAY 7. AT THE SAME
TIME...BOTH THE GFS AND ECMWF TRY TO SPIN UP A SFC LOW JUST OFF THE
CAROLINA COAST WHICH ACTS TO ENHANCE/STRENGTHEN A COLD AIR WEDGE PUT
IN PLACE BY THE NEAR STATIONARY SFC HIGH TO THE NE. THE CONSENSUS
AMONG THE GFS...ECMWF...AND CMC MODELS IS GOOD WRT THIS WEDGE
PATTERN DEVELOPING BY NEXT WEEKEND SO OVERALL FCST CONFIDENCE IS
IMPROVING. THE PRECIP CHANCES WERE NOT CHANGED MUCH FOR WED WITH A
SLIGHT TO SOLID CHANCE OVER THE CWFA BY EARLY AFTERNOON...HOWEVER I
DID LOWER VALUES FOR THE REST OF THE MEDIUM RANGE TO ACCOUNT FOR THE
STRONGER WEDGE PATTERN. I ALSO REDUCED THE OVERALL QPF EXPECTED FOR
THE EARLY PART OF THE PERIOD. TEMPS WILL START OUT ABOUT A CATEGORY
BELOW NORMAL ON WED AND DROP A FEW MORE DEGREES BY THE WEEKEND. IF
CURRENT MODEL TRENDS CONTINUE AND THE WEDGE IS EXPECTED TO BE EVEN
STRONGER...TEMPS MAY NEED TO BE LOWERED MORE.

&&

.AVIATION /02Z SUNDAY THROUGH THURSDAY/...
AT KCLT...GUIDANCE SUPPORTS AN MVFR CIG FORMING THIS EVENING...THEN
AN IFR CIG BEFORE DAWN...WITH MVFR VSBY IN FOG BY DAYBREAK...AS
MOISTURE PERSISTS IN THE LOW LEVELS. ALTHOUGH VSBY IMPROVES IN THE
MORNING...CIGS WILL ONLY SLOWLY;Y IMPROVE TO VFR BY MIDDAY. WINDS
WILL FAVOR THE NE. CONVECTIVE CHANCES REMAIN RATHER LIMITED IN
COOL HIGH PRESSURE TO THE NORTH OF A STATIONARY FRONT.

ELSEWHERE...CONVECTIVE CHANCES WILL DIMINISH FORM THE NORTH
OVERNIGHT AS COOL HIGH PRESSURE BUILDS IN FROM THE NORTH. GUIDANCE
FAVORS IFR TO LIFR VSBY IN FOG AT KAVL LATE TONIGHT...WITH MVFR AT
KGSP AND KAND...BUT LEAVES KHKY AND KGMU WITH VFR VSBY. CIG ON THE
OTHER HAND LOWER TO MVFR EVERYWHERE BY DAYBREAK...NOT RETURNING TO
MVFR UNTIL MIDDAY. CONVECTIVE CHANCES WILL IMPROVE FROM THE SOUTH ON
SUNDAY...MAINLY AFTER THIS TAF PACKAGE. WINDS WILL BE FROM THE
NE...EXCEPT AT KAVL...WHERE WINDS ARE EXPECTED TO VEER FROM NW
TONIGHT...TO SE ON SUNDAY.

OUTLOOK...THE WEDGE SHOULD MIX OUT ON MONDAY...BUT SCT
SHOWERS/THUNDERSTORMS WILL DEVELOP AHEAD OF AN APPROACHING COLD
FRONT MONDAY AFTERNOON INTO MONDAY NIGHT. A RETURN TO MAINLY VFR
CONDITIONS IS EXPECTED TUE INTO MIDWEEK OUTSIDE OF RESTRICTIONS WITH
DIURNAL CONVECTION.

CONFIDENCE TABLE...

            02-08Z        08-14Z        14-20Z        20-02Z
KCLT       HIGH  97%     HIGH  84%     MED   79%     HIGH  84%
KGSP       HIGH  96%     HIGH  89%     HIGH  90%     HIGH  80%
KAVL       HIGH  89%     HIGH  89%     HIGH  87%     HIGH  80%
KHKY       HIGH 100%     HIGH  80%     HIGH  82%     HIGH  84%
KGMU       HIGH  94%     HIGH  89%     HIGH  88%     MED   75%
KAND       HIGH  89%     MED   79%     HIGH  95%     MED   69%

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...JAT/LG
SHORT TERM...PM
LONG TERM...JPT
AVIATION...JAT
Hazardous weather outlook, Sep 13, 5:07 PM EDT, 4 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
507 PM EDT SAT SEP 13 2014

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-142115-
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-
507 PM EDT SAT SEP 13 2014

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

.DAY ONE...TONIGHT.

NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP MAINLY
ACROSS NORTHEAST GEORGIA AND UPSTATE SOUTH CAROLINA THROUGH THIS
EVENING. STORMS WILL BE MORE SCATTERED ACROSS WESTERN NORTH
CAROLINA. THE MAIN THREATS WILL BE FROM CLOUD TO GROUND LIGHTNING...
AS WELL AS HEAVY RAINFALL. ISOLATED FLASH FLOODING WILL BE
POSSIBLE...ESPECIALLY IN LOCATIONS THAT HAVE SEEN VERY HEAVY
RAINFALL SINCE FRIDAY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

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

.SPOTTER INFORMATION STATEMENT...

NONE.

PM

In the hours before

Local storm report, Sep 13, 9:23 PM EDT, 38 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
923 PM EDT SAT SEP 13 2014

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

0707 PM     FLASH FLOOD      4 SE WAXHAW             34.88N 80.68W
09/13/2014                   UNION              NC   COUNTY OFFICIAL

            WATER 2 FT DEEP AT POTTER RD S AND MCWHORTER RD.

&&

07
Local storm report, Sep 13, 9:25 PM EDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
925 PM EDT SAT SEP 13 2014

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

0759 PM     FLASH FLOOD      1 WSW MONROE            34.98N 80.55W
09/13/2014                   UNION              NC   COUNTY OFFICIAL

            NORTH CHARLOTTE AVE CLOSED NEAR CHURCH ST.

&&

07
Local storm report, Sep 13, 9:27 PM EDT, 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
927 PM EDT SAT SEP 13 2014

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

0815 PM     FLASH FLOOD      N MONROE                34.99N 80.54W
09/13/2014                   UNION              NC   COUNTY OFFICIAL

            TWO FT OF WATER ON STAFFORD ST AT PHIFER ST.

&&

07
Local storm report, Sep 13, 9:29 PM EDT, 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
929 PM EDT SAT SEP 13 2014

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

0815 PM     FLASH FLOOD      2 NW MONROE             35.01N 80.56W
09/13/2014                   UNION              NC   COUNTY OFFICIAL

            WATER 2 FT DEEP AT 1989 DICKERSON BLVD.

&&

07
Local storm report, Sep 13, 9:31 PM EDT, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
931 PM EDT SAT SEP 13 2014

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

0818 PM     FLASH FLOOD      SSW MONROE              34.98N 80.54W
09/13/2014                   UNION              NC   COUNTY OFFICIAL

            CAR IN WATER AT 350 E FRANKLIN ST.

&&

07
Local storm report, Sep 13, 9:33 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
933 PM EDT SAT SEP 13 2014

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

0824 PM     FLASH FLOOD      1 WNW MONROE            34.99N 80.56W
09/13/2014                   UNION              NC   COUNTY OFFICIAL

            WATER 2 FT DEEP AT BENTON ST AND SPRING ST.

&&

07

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 8:08 PM EDTAreal Flood AdvisoryGSPCleveland, Gaston, Lincoln52 min
Sep 13, 8:43 PM EDTSpecial Weather StatementGSPCleveland47 min
Sep 13, 8:46 PM EDTFlash Flood WarningGSPMecklenburg, Union3 hr
Sep 13, 8:50 PM EDTSevere Thunderstorm WarningGSPCleveland40 min
Sep 13, 9:07 PM EDTFlash Flood WarningGSPMecklenburg3 hr
Sep 13, 9:50 PM EDTAreal Flood AdvisoryGSPCleveland, Gaston, Rutherford100 min
Sep 13, 10:33 PM EDTFlash Flood WarningGSPCleveland, Gaston3 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.