Alert archive / South Carolina / Flash Flood Warnings in 2014

Flash Flood Warning 24, NWS Greenville-Spartanburg, SC

August 9, 2014Greenville County, Spartanburg County, South Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 9, 2014, 11:48 PM EDT for Greenville County, Spartanburg County, South Carolina. It was in force for 3 hr. 14 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
Aug 9, 2014, 11:48 PM EDT (03:48 UTC)
Expired
Aug 10, 2014, 3:00 AM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Emergency
Flash flood emergency
Flood severity
None

Counties Greenville County, SC, Spartanburg County, SC

The radar

The Greer radar (KGSP), 12 km from the middle of the area, began a volume at 03:50 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
Aug 9, 11:48 PM EDTFLASH FLOOD5 Nnw Greenville, SCROAD CLOSED DUE TO FLOODING AT INTERSECTION OF LANGSTON DR AND POINSETT HWY.
Aug 9, 11:59 PM EDTHEAVY RAIN 6.044 Ne Greenville, SC
Aug 9, 11:59 PM EDTHEAVY RAIN 6.963 Ne Greenville, SC
Aug 10, 12:00 AM EDTFLASH FLOOD2 Wnw Greenville, SCTHE REEDY RIVER AT WESTFIELD STREET EXCEEDED FLOOD STAGE OF 9 FEET. THE RIVER CRESTED AT 10.81 FEET AT 430 AM.
Aug 10, 12:00 AM EDTHEAVY RAIN 3.823 N Greenville, SC
Aug 10, 12:00 AM EDTHEAVY RAIN 4.365 Sw Greer, SCTHE MAJORITY OF THE RAIN FELL BETWEEN 830 PM AND 1030 PM. ALL REPORTS WERE FROM OUTSIDE THE SWATHS OF HIGHEST RADAR RAINFALL ESTIMATES. 5-6 INCHES LIKELY FELL IN THE GREER AREA...AS WELL AS ON THE NORTH AND WEST SIDE OF THE GREENVILLE METRO AREA.
Aug 10, 12:00 AM EDTHEAVY RAIN 4.425 Ene Greenville, SC
Aug 10, 12:15 AM EDTFLASH FLOOD2 Se Greer, SCAT 134 MAPLE DRIVE, RESIDENT REPORTED WATER FLOODING THE MAIN FLOOR OF HER HOME EARLY SUNDAY MORNING.
Aug 10, 12:18 AM EDTFLASH FLOOD4 E Greenville, SCROAD CLOSED IN 1100 BLOCK OF ROPER MOUNTAIN ROAD DUE TO FLOODING.
Aug 10, 12:31 AM EDTFLOOD1 Ne Taylors, SCSTREAM NEAR TAYLORS FIRST BAPTIST CHURCH WAS 3 TO 4 FEET OUT OF ITS BANKS.
Aug 10, 12:31 AM EDTFLASH FLOOD1 Ne Taylors, SCSTREAM NEAR TAYLORS FIRST BAPTIST CHURCH WAS 3 TO 4 FEET OUT OF ITS BANKS.
Aug 10, 1:18 AM EDTFLOOD3 Ssw Greer, SCWATER OVER BRIDGE ON EAST SUBER ROAD.
Aug 10, 1:18 AM EDTFLASH FLOOD3 Ssw Greer, SCWATER OVER BRIDGE ON EAST SUBER ROAD.
Aug 10, 2:55 AM EDTFLASH FLOOD5 S Greer, SCTHE ENOREE RIVER AT PELHAM ROAD REACHED FLOOD STAGE OF 11 FEET AROUND 255 AM. THE CREST OF 15.11 FEET WAS OBSERVED AT 515 AM.

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 9 storm reports to this flash flood warning; the first came 0 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, 3.8 hours before the alert went out and 259 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 2014-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 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 2014-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
482 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

509 
WGUS52 KGSP 100348
FFWGSP
SCC045-083-100700-
/O.NEW.KGSP.FF.W.0024.140810T0348Z-140810T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1148 PM EDT SAT AUG 9 2014

...FLASH FLOOD EMERGENCY FOR GREENVILLE...TAYLORS...AND GREER...

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...
  WEST CENTRAL SPARTANBURG COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 300 AM EDT

* AT 1145 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
WARNED AREA. ALREADY 3 TO 5 INCHES OF RAIN HAS FALLEN OVER THE 
AREA...WITH ADDITIONAL HEAVY RAIN DEVELOPING.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  DOWNTOWN GREENVILLE...CHERRYDALE POINT...FURMAN UNIVERSITY...
  GREER...GSP AIRPORT...HAYWOOD MALL...I-85 AT PELHAM ROAD...LAKE
  ROBINSON...SHOPS AT GREENRIDGE AND TAYLORS.

THERE ARE NUMEROUS REPORTS OF ROADS FLOODING...STREAMS OUT OF THEIR 
BANKS...RISING WATERS...AND MANY HOMES ARE BEGINNING TO FLOOD IN 
LOW-LYING AREAS.

THIS IS A FLASH FLOOD EMERGENCY FOR GREENVILLE...TAYLORS...AND 
GREER. SEEK HIGHER GROUND NOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. TURN
AROUND... DONT DROWN.

MOVE TO HIGHER GROUND NOW. THIS IS AN EXTREMELY DANGEROUS AND LIFE
THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.

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 3480 8247 3493 8251 3501 8232 3501 8215
      3486 8215 3482 8227 3479 8246

$$

ARK
3 follow-up statements
104 
WGUS72 KGSP 100511
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
111 AM EDT SUN AUG 10 2014

SCC045-083-100700-
/O.CON.KGSP.FF.W.0024.000000T0000Z-140810T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SPARTANBURG SC-GREENVILLE SC-
111 AM EDT SUN AUG 10 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL GREENVILLE AND
WEST CENTRAL SPARTANBURG COUNTIES UNTIL 300 AM EDT...

...A FLASH FLOOD EMERGENCY FOR GREENVILLE...TAYLORS...AND GREER...

AT 104 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN 
AREA OF HEAVY RAINFALL ACROSS THE WARNED AREA. NUMEROUS ROADS HAVE 
BEEN CLOSED FOR HIGH WATER...INCLUDING INTERSTATE 85 AT PELHAM 
RD...AND MEMORIAL DRIVE EXTENSION IN GREER WHERE A BRIDGE HAS ALSO 
COLLAPSED. BRUSHY CREEK HAS FLOODED HOMES ALONG EDWARDS ROAD IN 
GREER...AND A STREAM IS OUT OF ITS BANKS NEAR FIRST BAPTIST CHURCH 
IN TAYLORS. THE REEDY RIVER AT WESTFIELD STREET IN DOWNTOWN 
GREENVILLE IS ALSO ABOVE FLOOD STAGE.

HEAVY RAIN CONTINUES TO FALL ACROSS THE WARNED AREA. RUNOFF FROM THIS
EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS
THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...DOWNTOWN GREENVILLE...
CHERRYDALE POINT...FURMAN UNIVERSITY...GREER...GSP AIRPORT...HAYWOOD
MALL...LAKE ROBINSON...PELHAM ROAD AT I-85...SHOPS AT GREENRIDGE AND 
TAYLORS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

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 3480 8247 3493 8251 3501 8232 3501 8215
      3486 8215 3482 8227 3479 8246

$$
08
959 
WGUS72 KGSP 100614
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
214 AM EDT SUN AUG 10 2014

SCC045-083-100700-
/O.CON.KGSP.FF.W.0024.000000T0000Z-140810T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SPARTANBURG SC-GREENVILLE SC-
214 AM EDT SUN AUG 10 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL GREENVILLE AND
WEST CENTRAL SPARTANBURG COUNTIES UNTIL 300 AM EDT...

AT 210 AM EDT...RAINFALL RATES HAVE SLOWED ACROSS THE 
GREENVILLE...TAYLORS..AND GREER AREAS...BUT SEVERAL CREEKS AND 
MAINSTEM RIVERS REMAIN NEAR OR ABOVE FLOOD STAGE.

RAIN CONTINUES TO FALL ACROSS THE WARNED AREA. RUNOFF FROM EXCESSIVE 
RAINFALL EARLIER THIS EVENING WILL CAUSE FLASH FLOODING TO CONTINUE. 
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING 
INCLUDE...DOWNTOWN GREENVILLE...CHERRYDALE POINT...FURMAN 
UNIVERSITY...GREER...GSP AIRPORT...HAYWOOD MALL...LAKE 
ROBINSON...PELHAM ROAD AT I-85...SHOPS AT GREENRIDGE AND TAYLORS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

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 3480 8247 3493 8251 3501 8232 3501 8215
      3486 8215 3482 8227 3479 8246

$$
08
499 
WGUS72 KGSP 100704 RRA
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
304 AM EDT SUN AUG 10 2014

SCC045-083-100720-
/O.EXP.KGSP.FF.W.0024.000000T0000Z-140810T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SPARTANBURG SC-GREENVILLE SC-
304 AM EDT SUN AUG 10 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL GREENVILLE
AND WEST CENTRAL SPARTANBURG COUNTIES HAS BEEN ALLOWED TO EXPIRE...

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 3480 8247 3493 8251 3501 8232 3501 8215
      3486 8215 3482 8227 3479 8246

$$

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 Aug 9, 9:47 PM EDT, 2 hours 1 minute earlier.

Area forecast discussion, Aug 9, 9:47 PM EDT, 2 hours 1 minute before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
947 PM EDT SAT AUG 9 2014

.SYNOPSIS...
A WEAK STATIONARY FRONT WILL REMAIN JUST SOUTH OF OUR REGION INTO
MONDAY. A SERIES OF LOW PRESSURE CENTERS WILL MOVE EAST ALONG THE
FRONT...MAINTAINING ELEVATED CHANCES OF SHOWERS AND THUNDERSTORMS
THIS WEEKEND. PERIODIC RAINFALL WILL CONTINUE THROUGH EARLY NEXT
WEEK BEFORE A COLD FRONT CROSSES THE AREA BY WEDNESDAY.
THIS WILL BE FOLLOWED BY A RETURN TO DRIER...MORE SEASONABLE WEATHER.

&&

.NEAR TERM /THROUGH SUNDAY/...
AT 945 EDT SATURDAY...A NEARLY ZONAL FLOW PATTERN ALOFT EXISTED
ACROSS THE SOUTHERN TIER OF STATES THIS EVENING...WHILE A WEAK
SURFACE RIDGE EXTENDED ALONG THE EASTERN SEABOARD. A STATIONARY
FRONT WAS LOCATED FROM THE CAROLINA COAST TO CENTRAL GA TO TO EAST
TN.

ANOTHER FRONT WAS DRIFTING SOUTH FROM NC INTO SC...AND WAS MARKED BY
A DISTINCT WIND SHIFT FROM SE TO NE...WITH COOLER TEMPERATURES...LOW
CEILINGS AND FOG. SHOWERS WERE LOCATED ALONG THIS BOUNDARY IN THE NC
MOUNTAINS AND SC FOOTHILLS. AS THIS FRONT MOVES SOUTH...SHOWERS WILL
REACH THE UPPER SAVANNAH RIVER VALLEY...AND FOG AND LOW CLOUDS WILL
SPREAD INTO UPSTATE SC. DENSE FOG WILL BE MOST LIKELY IN THE
MOUNTAINS...BUT CANNOT BE RULED OUT IN THE FOOTHILLS AND PIEDMONT IF
WINDS CAN DECREASE A BIT TOWARD DAWN. SOME RAINFALL COULD BE HEAVY
ALONG THE FRONT AS AN EASTERLY UPSLOPE COMPONENT SETS UP INTO THE
BLUE RIDGE. MINIMUM TEMPERATURES WILL BE AROUND NORMAL...EXCEPT
ACROSS THE INTERSTATE 40 CORRIDOR WHERE THEY WILL RUN SEVERAL
DEGREES BELOW NORMAL.

PREVIOUS DISCUSSION...FORECAST FOR THE NEXT 24 HOURS DOES NOT LOOK
ANY EASIER OR MORE CERTAIN THAN IT DID YESTERDAY. THE SITUATION
ALOFT HAS NOT REALLY CHANGED IN THAT BITS OF VORTICITY WILL MOVE
OVERHEAD AND PERIODIC IMPROVEMENT OF UPPER DIVERGENCE WILL ALSO MOVE
OVERHEAD AS THE JET STREAM MOVES PAST TO OUR N. LOW LEVEL FORCING IS
ALSO MAINTAINED... ESPECIALLY IF A REINFORCING BACK DOOR COLD
FRONT/WEDGE FRONT OOZES SW ACROSS THE PIEDMONT OF THE CAROLINAS AND
INTO NE GEORGIA THIS EVENING. MOISTURE WILL REMAIN PLENTIFUL.
ESSENTIALLY...A SHOWER OR THUNDERSTORM COULD POP UP AT ANY TIME
ACROSS THE FCST AREA THROUGH SUNDAY AFTERNOON. BUT...THAT DOES NOT
MEAN THAT ONE WILL POP EVERYWHERE OR THAT COVERAGE WILL BE ALL THAT
GREAT AT ANY PARTICULAR TIME. WE END UP WITH A FCST THAT RETAINS A
VERY HIGH PRECIP PROBABILITY THAT GETS SMEARED ACROSS THE NEXT 24
HOURS DUE TO GREAT UNCERTAINTY WHEN AND WHERE THE CONVECTION WILL
DEVELOP...WHICH PERHAPS GIVES A FALSE IMPRESSION THAT THE WEATHER
WILL BE A WASHOUT. ON THE CONTRARY...MANY PLACES WILL HAVE PERIODS
OF SEVERAL HOURS WITH NO SHOWERS. LATE TONIGHT...IF A COLD AIR
DAMMING WEDGE SETS UP E OF THE BLUE RIDGE...THERE COULD BE
WIDESPREAD LIGHT RAIN/FOG/ DRIZZLE IN THE EARLY MORNING HOURS. THERE
REMAINS THE POSSIBILITY OF FLOODING AS WELL...BUT NOT ENOUGH
CONFIDENCE TO ENTERTAIN A WATCH. TEMPS WILL BE TRICKY AGAIN SUNDAY
DEPENDING ON THE EXTENT OF COLD AIR DAMMING.

&&

.SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/...
AS OF 220 PM SATURDAY...ON MONDAY...SHORT RANGE MODELS INDICATE THAT
SFC HIGH PRESSURE WILL REMAIN RIDGED ACROSS THE EAST FACING SLOPES
OF THE NC MTNS AND FOOTHILLS. LOW PRESSURE WILL REMAIN CENTERED OVER
THE OHIO RIVER VALLEY AND ACROSS THE COASTAL PLAIN OF THE CAROLINAS.
SEVERAL MID LEVEL DISTURBANCES MAY TRACK ACROSS THE REGION DURING
THE DAYLIGHT HOURS. FORECAST SOUNDINGS FROM THE GFS INDICATE THAT PW
WILL APPROACH 2 INCHES WITH CAPE BETWEEN 500-1000 J/KG. I WILL
MAINTAIN POPS BETWEEN 50 TO 60 PERCENT. IN ADDITION...QPF WILL RANGE
FROM 0.05 TO 0.2 INCHES/6 HRS. THICK CLOUD COVER AND ROUNDS OF
SHOWER AND THUNDERSTORMS SHOULD LIMIT HIGH TEMPERATURES TO THE MID
70S ACROSS THE MTNS TO LOW 80S ACROSS THE UPSTATE/NE GA.

TUESDAY MORNING...A MID TROUGH IS EXPECTED TO AMPLIFY WEST OF THE
SOUTHERN APPALACHIANS. THE AIRMASS ACROSS THE FORECAST AREA WILL
REMAIN MOIST WITH WEAK INSTABILITY. SCT SHOWERS AND THUNDERSTORMS
WILL LIKELY PERSIST ACROSS THE REGION AS THE TROUGH APPROACHES.
DURING THE DAY...COASTAL LOW IS EXPECTED TO TRACK NORTHEAST AS A
COLD FRONT APPROACHES FROM THE WEST. THE PATTERN MAY RESULT IN WSW
LLVL FLOW ACROSS THE APPALACHIANS. COVERAGE OF SHOWERS AND
THUNDERSTORMS SHOULD REMAIN LESS THAN MONDAY...I WILL FORECAST POPS
AROUND 40 PERCENT. HIGH TEMPERATURES ARE FORECAST TO WARM AROUND 5
DEGREES WARMER THAN MONDAY.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/...
AS OF 200 PM SATURDAY...AT 00Z WED THE MEDIUM RANGE MODELS HAVE A
VERY AMPLIFIED PATTERN WITH A DEEP UPPER TROUGH OVER THE EAST WITH
AXIS FROM THE EASTERN GREAT LAKES TO THE PANHANDLE OF FLORIDA AND A
BIG RIDGE OVER THE ROCKIES.  AT THE SURFACE...THE COLD FRONT WILL
SLOWLY CROSS THE CAROLINAS AND GEORGIA FROM TUESDAY NIGHT THROUGH
THURSDAY THEN STALL OUT OVER FAR SOUTHERN GEORGIA BY FRIDAY. THIS
FRONT SHOULD BE SOUTH OF THE PIEDMONT AREAS WEDNESDAY MORNING WITH
DRIER AND COOLER AIR GOING INTO THE SECOND HALF OF THE WEEK. A
CLOSED OFF UPPER LOW WILL SPIN OVER UPPER NY STATE THUR AND FRI
ANCHORING THE TROUGH WITH SURFACE HIGH PRESSURE OVER MUCH OF THE
EAST. BY LATE FRIDAY...THE UPPER TROUGH BEGINS TO MOVE EAST AND LOW
LEVEL SW FLOW BEGINS AGAIN TO START THE WEEKEND. MEANWHILE...WEAK
LOW PRESSURES WILL CONTINUE TO MOVE ALONG THE STALLED OUT FRONT TO
OUR SOUTH. MOISTURE WILL SLOWLY BE INCREASING NEXT WEEKEND AND
SLIGHT CHANCE OF CONVECTION IS NEEDED IN THE LATE AFTERNOONS.
TEMPERATURES WILL BE A FEW DEGREES BELOW NORMAL THROUGH THE PERIOD
WITH THE COOLEST WEATHER THURS WITH LOWS AND HIGHS ROUGHLY 7 DEGREES
BELOW NORMAL.

&&

.AVIATION /02Z SUNDAY THROUGH THURSDAY/...
AT KCLT...A BACK DOOR COLD FRONT HAS PUSHED THROUGH FROM THE
NORTHEAST...AND MORE STABLE AIR SHOULD LIMIT CONVECTIVE CHANCES
OVERNIGHT. NE WINDS WILL PERSIST THROUGH SUNDAY. A GUIDANCE BLEND
WAS NOT SUPPORTIVE OF A DAYBREAK VSBY RESTRICITONS...HOWEVER SEVERAL
MODEL MEMBERS WERE...AND OBSERVATIONS UPSTREAM SUGGEST RESTRICTIONS
OVERNIGHT. GUIDANCE IS SUPPORTIVE OF A LOW MVFR CIG LATER
TONIGHT...WITH BRIEF IFR AROUND DAWN...BUT AGAIN UPSTREAM
OBSERVATIONS POINT TO TROUBLE. THE CIG WILL BE SLOW TO LIFT
ON SUNDAY...REACHING HIGH END MVFR BY AFTERNOON. CONVECTIVE CHANCES
IMPROVE WITH HEATING ON SUNDAY AFTERNOON.

ELSEWHERE...CONVECTIVE CHANCES WILL BE BEST ALONG AND AHEAD OF A
BACK DOOR COLD FRONT...MAINLY FROM KAVL TO KGSP AND KGMU. CHANCES
WILL IMPROVE AT KAND WITH TIME AS THE FRONT DRIFTS SW. KHKY WILL
REMAIN IN MORE STABLE AIR BEHIND THE FRONT...AND THE IFR CIG THERE
MAY PERSIST. WINDS WILL VEER FROM SE TO NE BEHIND THE FRONT. A
GUIDANCE BLEND WAS NOT SUPPORTIVE OF DAYBREAK VSBY RESTRICTIONS IN
THE FOOTHILLS...BUT SUPPORTED LIFR VSBY AT KAVL. OBSERVATIONS
UPSTREAM POINT TO A MORE DIRE SITUATION. AN MVFR DAYBREAK CIGS IS
EXPECTED AT KAND...WITH IFR TO LIFR AT KAVL...KGSP...AND KGMU.
CONVECTIVE CHANCES IMPROVE WITH HEATING ON SUNDAY AFTERNOON...EXCEPT
AT KHKY WHERE MORE STABLE AIR WILL REMAIN.

OUTLOOK...A PERSISTENT MOIST PATTERN WILL REMAIN IN PLACE THROUGH
MONDAY MORNING TO GENERATE PERIODIC WIDESPREAD RESTRICTIONS
WITH LOW CLOUDS AND SHOWERS. THESE CONDITIONS MAY BE VERY SLOW TO
CLEAR ON MONDAY...BUT VFR CONDITIONS SHOULD RETURN ON TUESDAY.

CONFIDENCE TABLE...

            01-07Z        07-13Z        13-19Z        19-01Z
KCLT       HIGH  97%     HIGH 100%     HIGH  87%     MED   75%
KGSP       MED   78%     HIGH  83%     HIGH  93%     MED   78%
KAVL       HIGH  80%     HIGH  90%     MED   79%     MED   73%
KHKY       HIGH  95%     HIGH  90%     HIGH  95%     HIGH  85%
KGMU       HIGH  84%     MED   76%     HIGH  87%     MED   73%
KAND       HIGH 100%     HIGH  92%     HIGH  84%     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...DEO
NEAR TERM...JAT/PM
SHORT TERM...NED
LONG TERM...DEO
AVIATION...JAT
Hazardous weather outlook, Aug 9, 3:34 PM EDT, 8 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
334 PM EDT SAT AUG 9 2014

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-101945-
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-
334 PM EDT SAT AUG 9 2014

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP TODAY IN THE
VICINITY OF A STATIONARY FRONT. ANY OF THESE THUNDERSTORMS WILL BE
CAPABLE OF DANGEROUS CLOUD TO GROUND LIGHTNING...AS WELL AS HEAVY
RAINFALL.

.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.

In the hours before

Local storm report, Aug 9, 10:28 PM EDT, 1 hour 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1028 PM EDT SAT AUG 09 2014

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

1016 PM     FLASH FLOOD      1 NNE GREENVILLE        34.86N 82.36W
08/09/2014                   GREENVILLE         SC   PUBLIC

            CREEK FLOODING BRIDGE.

&&

07
Local storm report, Aug 9, 10:30 PM EDT, 1 hour 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1030 PM EDT SAT AUG 09 2014

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

1024 PM     FLASH FLOOD      4 ENE GREENVILLE        34.86N 82.31W
08/09/2014                   GREENVILLE         SC   PUBLIC

            WAIST DEEP WATER ON EAGLE RIDGE LANE FLOODING HOUSES.

&&

07
Local storm report, Aug 9, 10:36 PM EDT, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1036 PM EDT SAT AUG 09 2014

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

1000 PM     FLASH FLOOD      5 ENE GREENVILLE        34.86N 82.29W
08/09/2014                   GREENVILLE         SC   PUBLIC

            PELHAM RD AT MEADOW WOOD RD FLOODED.

&&

07
Local storm report, Aug 9, 10:41 PM EDT, 1 hour 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1041 PM EDT SAT AUG 09 2014

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

1039 PM     FLASH FLOOD      1 NW GREENVILLE         34.85N 82.38W
08/09/2014                   GREENVILLE         SC   PUBLIC

            CLEVELAND PARK FLOODED BY RICHLAND CREEK NEAR E
            WASHINGTON STREET.

&&

07
Local storm report, Aug 9, 11:26 PM EDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1126 PM EDT SAT AUG 09 2014

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

1100 PM     FLASH FLOOD      GREENVILLE              34.84N 82.37W
08/09/2014                   GREENVILLE         SC   TRAINED SPOTTER

            SPOTTERS AND PUBLIC REPORT SEVERE URBAN FLOODING IN THE
            AREA AROUND I-385 AND STONE AVE ON THE EAST SIDE OF
            DOWNTOWN GREENVILLE. WATER IS UP TO THE WINDOWS OF SOME
            VEHICLES.

&&

LANE
Local storm report, Aug 9, 11:48 PM EDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1148 PM EDT SAT AUG 09 2014

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

1130 PM     FLASH FLOOD      TAYLORS                 34.92N 82.31W
08/09/2014                   GREENVILLE         SC   PUBLIC

            PUBLIC REPORTS WATER ENTERING HOMES ON EDWARDS RD.

&&

LANE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 8:41 PM EDTSpecial Weather StatementGSPSpartanburg49 min
Aug 9, 9:07 PM EDTAreal Flood AdvisoryGSPGreenville, Spartanburg113 min
Aug 9, 9:13 PM EDTAreal Flood AdvisoryGSPGreenville107 min
Aug 9, 9:48 PM EDTFlash Flood WarningGSPGreenville, Spartanburg3 hr
Aug 9, 10:42 PM EDTAreal Flood AdvisoryGSPUnion108 min
Aug 9, 11:05 PM EDTFlash Flood WarningGSPGreenville, Pickens4 hr
Aug 9, 11:09 PM EDTFlash Flood WarningGSPSpartanburg3 hr
Aug 9, 11:28 PM EDTAreal Flood AdvisoryGSPOconee, Pickens3 hr
Aug 9, 11:31 PM EDTAreal Flood AdvisoryGSPGreenville, Laurens119 min
Aug 10, 12:14 AM EDTFlash Flood WarningGSPAnderson, Oconee, Pickens3 hr
Aug 10, 12:19 AM EDTFlash Flood WarningGSPGreenville, Laurens3 hr
Aug 10, 12:45 AM EDTFlash Flood WarningGSPAnderson105 min
Aug 10, 12:56 AM EDTAreal Flood WarningGSPGreenville, Spartanburg4 hr
Aug 10, 2:29 AM EDTAreal Flood AdvisoryGSPAnderson2 hr
Aug 10, 3:03 AM EDTAreal Flood WarningGSPGreenville9 hr
Aug 10, 3:05 AM EDTAreal Flood AdvisoryGSPOconee, Pickens115 min
Aug 10, 5:01 AM EDTAreal Flood WarningGSPGreenville, Spartanburg8 hr

Nearby

Flash 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.