Alert archive / North Carolina / Flash Flood Warnings in 2008

Flash Flood Warning 13, NWS Greenville-Spartanburg, SC

August 25, 2008Cabarrus County, Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 25, 2008, 4:25 PM EDT for Cabarrus County, Mecklenburg County, North 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
Aug 25, 2008, 4:25 PM EDT (20:25 UTC)
Expired
Aug 25, 2008, 7:35 PM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Flood severity
None

Counties Cabarrus County, NC, Mecklenburg County, NC

The radar

The Greer radar (KGSP), 140 km from the middle of the area, began a volume at 20:29 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 25, 4:55 PM EDTFLASH FLOOD5 W Concord, NCCOUNTY REPORTS CREEK OUT OF ITS BANK AND FLOODING POPLAR TENT ROAD.

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 30 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, 8.4 hours before the alert went out and 114 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 2008-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 382 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2008-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
382 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
854 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
27 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.

000 
WGUS52 KGSP 252025
FFWGSP
NCC025-119-260015-
/O.NEW.KGSP.FF.W.0013.080825T2025Z-080826T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
425 PM EDT MON AUG 25 2008

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN CABARRUS COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  NORTHERN MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH CAROLINA...

* UNTIL 815 PM EDT

* AT 413 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
SEVERAL AREAS ACROSS WESTERN CABARRUS COUNTY AND NORTHERN 
MECKLENBURG COUNTY HAVE RECEIVED THREE INCHES OR MORE OF RAIN THIS 
AFTERNOON. MOST OF THE HEAVY RAIN HAS FALLEN BETWEEN UNC CHARLOTTE 
AND THE LOWES MOTOR SPEEDWAY SINCE 2 PM. ADDITIONAL HEAVY SHOWERS 
AND THUNDERSTORMS ARE EXPECTED TO TRACK ACROSS THE SAME AREA THROUGH 
6 PM. 

* HEAVY RAIN BETWEEN CHARLOTTE AND HARRISBURG WILL CAUSE RAPID RISES 
ON STREAMS AND CREEKS IN THE AREA. FLOODING OF LOW LYING AREAS       
NEAR MALLARD AND STONEY CREEKS WILL BE LIKELY ESPECIALLY ALONG       
BROWNE...HUBBARD...DAVID TAYLOR...AND MALLARD CREEK CHURCH           
ROADS WILL BE POSSIBLE.

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 DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROADWAY. EVEN MODERN SPORT
UTILITY VEHICLES CANNOT BE SAFELY DRIVEN THROUGH FLOOD WATERS.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

TO REPORT HIGH WATER...FLOODING...MUDSLIDES...LANDSLIDES OR OTHER
SEVERE WEATHER THROUGH OUR AUTOMATED REPORTING SYSTEM...CALL OUR TOLL
FREE NUMBER...1 8 7 7...6 3 3...6 7 7 2.

LAT...LON 3522 8076 3535 8093 3535 8092 3537 8094
      3550 8093 3550 8057 3531 8053

$$

NED
3 follow-up statements
000 
WGUS72 KGSP 252154
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
554 PM EDT MON AUG 25 2008

NCC025-119-260015-
/O.CON.KGSP.FF.W.0013.000000T0000Z-080826T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CABARRUS NC-MECKLENBURG NC-
554 PM EDT MON AUG 25 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
NORTHERN MECKLENBURG AND WESTERN CABARRUS COUNTIES...

AT 550 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE AN AREA OF LIGHT TO MODERATE RAIN ACROSS NORTHERN 
MECKLENBURG COUNTY AND WESTERN CABARRUS COUNTY. RAINFALL RATES WILL 
DECREASE RAPIDLY THROUGH 7 PM. HOWEVER...ONGOING RUNOFF WILL 
CONTINUE TO FILL INTO NEARBY STREAM AND CREEKS. 

NATIONAL WEATHER SERVICE RADAR RAINFALL ESTIMATES INDICATE THAT 
TORRENTIAL RAINFALL OCCURRED BETWEEN UNC CHARLOTTE AND HARRISBURG 
THIS AFTERNOON. FLOODING OF LOW LYING AREAS NEAR MALLARD AND STONEY 
CREEKS WILL BE LIKELY...ESPECIALLY ALONG BROWNE...HUBBARD...DAVID 
TAYLOR...AND MALLARD CREEK CHURCH ROADS.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 3522 8076 3535 8093 3535 8092 3537 8094
      3550 8093 3550 8057 3531 8053

$$

NED
000 
WGUS72 KGSP 252255
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
655 PM EDT MON AUG 25 2008

NCC025-119-260015-
/O.CON.KGSP.FF.W.0013.000000T0000Z-080826T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CABARRUS NC-MECKLENBURG NC-
655 PM EDT MON AUG 25 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
CENTRAL MECKLENBURG AND WEST CENTRAL CABARRUS COUNTIES...

AT 651 PM EDT...RAINFALL ACROSS NORTHERN MECKLENBURG COUNTY AND 
WESTERN CABARRUS COUNTY HAS ENDED. RAINFALL RUNOFF WILL CONTINUE TO 
DRAIN INTO NEARBY STREAMS AND CREEKS. AT 645...AN AUTOMATED RIVER 
GAGE ON MALLARD CREEK NEAR HARRISBURG INDICATED A STAGE NEAR 11.7 
FEET. PAST EVENTS INDICATE THAT FLOODING MAY OCCUR DOWNSTREAM ALONG 
MALLARD CREEK WHEN THE STAGE REACHES 11 FEET. THEREFORE...PERSONS 
LIVING OR TRAVELING NEAR MALLARD CREEK BETWEEN UNC CHARLOTTE AND 
HARRISBURG SHOULD REMAIN ALERT FOR FLOODING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 3531 8053 3522 8076 3529 8083 3540 8077
      3544 8065

$$

NED
000 
WGUS72 KGSP 252335
FFSGSP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
735 PM EDT MON AUG 25 2008

NCC025-119-252337-
/O.CAN.KGSP.FF.W.0013.000000T0000Z-080826T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CABARRUS NC-MECKLENBURG NC-
735 PM EDT MON AUG 25 2008

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL MECKLENBURG
AND CENTRAL CABARRUS COUNTIES...

AT 725 PM EDT...THE AUTOMATED GAGE ON MALLARD CREEK NEAR HARRISBURG 
INDICATED THAT THE STAGE HAS FALLEN TO 10.5 FEET. ADDITIONAL 
RAINFALL SHOULD NOT RETURN TO THE MALLARD CREEK BASIN UNTIL 930 
PM...ALLOWING THE WATER LEVELS TO RECEDE. THEREFORE...ADDITIONAL 
FLOODING IS NO LONGER EXPECTED AND THE FLASH FLOOD WARNING HAS BEEN 
CANCELLED FOR CENTRAL MECKLENBURG AND CABARRUS COUNTIES. 

LAT...LON 3531 8053 3522 8076 3529 8083 3540 8077
      3544 8065

$$

NED

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 25, 2:55 PM EDT, 1 hour 30 minutes earlier.

Area forecast discussion, Aug 25, 2:55 PM EDT, 1 hour 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
255 PM EDT MON AUG 25 2008

.SYNOPSIS...
THE REMNANTS OF TROPICAL DEPRESSION FAY WILL MOVE NORTHEAST FROM
MISSISSIPPI AND REACHING NORTHEASTERN ALABAMA BY LATE TUESDAY.  A
SLOW MOVING WEAK COLD FRONT WILL MOVE INTO THE AREA FROM THE NORTH
TUESDAY THROUGH WEDNESDAY AS FAY MOVES NORTHEAST AND PUSHES DEEP
TROPICAL MOISTURE INTO THE REGION. THE REMNANTS OF FAY SHOULD MOVE
NORTH OF THE AREA BY LATE IN THE WEEK...AS ANOTHER COLD FRONT
APPROACHES FROM THE NORTHWEST.

&&

.NEAR TERM /THROUGH TUESDAY/...
ONE BATCH OF SHOWERS AND THUNDERSTORMS IS CURRENTLY WORKING IT/S WAY
ACROSS THE NE UPSTATE AND A GOOD BIT OF THE NC FOOTHILLS AND
PIEDMONT. SOUTH OF THAT STRONG NVA IS HELPING TO SUPPRESS CONVECTION
OVER THE NC MTNS...UPSTATE AND NE GA. HOWEVER...THAT WON/T LAST LONG.

BY TOMORROW EVENING THE NAM IS A COUPLE HUNDRED MILES SOUTHWEST OF
THE GFS POSITION WITH FAY. THE GFS POSITION IS JUST ABOUT PERFECT
FOR THE COMBINATION OF LLVL UPSLOPE AND UPPER LEVEL DIVERGENCE TO
GENERATE A SUBSTANTIAL AMOUNT OF QPF OVER THE MOUNTAINS AND
FOOTHILLS OF THE WESTERN CAROLINAS AND NE GA. THE NAM STILL LOOKS
IMPRESSIVE...BUT IT/S HEAVIEST PCPN...AT LEAST BY TOMORROW
AFTERNOON...SHIFTS WEST OF THE MOUNTAINS IN LLVL CONVERGENCE AXIS
OVER ERN TN. HPC PREFERS THE GFS SOLUTION AS IT IS SUPPORTED BY THE
SREF AND THE ECMWF. THEREFORE I HAVE GONE VERY CLOSE TO STRAIGHT HPC
QPF FOR THIS EVENT. THIS GENERATES SEVERAL INCHES OF RAIN OVER THE
NC MTNS AND ALONG THE ESCARPMENT BY TOMORROW EVENING. THE EARLIER
FLASH FLOOD WATCH AREA STILL LOOKS GOOD. I/M RELUCTANT TO ISSUE THE
WATCH ANY FARTHER EAST AS THE BETTER PCPN CHANCES FARTHER UP THE
SPINE OF THE APPALACHIANS APPEAR TO HOLD OFF UNTIL LATER IN THE
FORECAST CYCLE.

THE GFS 0-3KM HELICITY VALUES INCREASE TO OVER 200 OVER THE NC
MTNS...NE GA AND THE FAR WESTERN UPSTATE OVERNIGHT. LLVL ENE FLOW
WITH WEAK COLD AIR DAMMING WILL KEEP MANY AREAS STABLE...BUT THIS
WILL ALSO IMPART GREATER LLVL TURNING. AS BANDS OF PCPN WORK ACROSS
THIS BNDRY...THE TORNADO THREAT MAY BE ENHANCED WHERE HIGHER
DEWPOINTS POOL. ALL THIS DEPENDS ON THE GFS WIND FIELD WORKING OUT.
THE NAM IS WEAKER AND WOULD LIKELY KEEP THE TORNADO THREAT JUST TO
OUR WEST.

&&

.SHORT TERM /TUESDAY NIGHT THROUGH SATURDAY NIGHT/...
AS OF 140 PM EDT MONDAY...THE REMNANTS OF TROPICAL STORM FAY WILL
CONTINUE TO DRIFT NEWD ACRS THE SOUTHEAST STATES THRU THE SHORT
TERM PERIOD. GUIDANCE IS IN GOOD AGREEMENT ON KEEPING OUR CWFA
UNDER DEEP SLY/SELY MOIST FLOW...WITH SEVERAL BANDS OF VORT/LIFT
PIVOTING THRU THE AREA. THE NAM/GFS/SREF/EC ALL SHOW A MAX IN
H7-H5 Q-VECTOR CONVERGENCE...WITH CONTINUED DEEP MOISTURE
TRANSPORT OVR THE AREA...TUESDAY NIGHT. SO I INCREASED POP TO
CATEGORICAL WITH A MENTION OF SLGT CHC THUNDER (GIVEN
ELEV/EMBEDDED CONVECTION EXPECTED IN RAIN BANDS).

FROM WEDNESDAY ON THRU THURSDAY...UNCERTAINTY IN THE DETAILS OF S/W
PASSAGE AND UPR JET DYNAMIC SUPPORT FOR WIDESPREAD RAIN DECREASES.
THE CENTER OF FAYS REMNANT LOW IS PROGGED TO MOVE INTO THE OHIO
VALLEY...WITH OUR AREA STAYING IN MOIST CYCLONIC FLOW. SO IT SHUD BE
RATHER UNSETTLED THRU THE PERIOD. CLOUD COVER AND HIGH DEWPOINTS WL
LMT DIURNAL TEMP RANGE (MAX TEMPS BLO NORMAL/MIN TEMPS ABV NORMAL).
I WENT WITH HPC GUIDANCE FOR QPF THRU WEDNESDAY NIGHT...WITH AN
ADDITIONAL 2 INCHES ALONG THE ESCARPMENT AND 1 TO 1.75 INCHES
ELSEWHERE.

MEDIUM RANGE GUIDANCE IS IN GOOD AGREEMENT FOR THURSDAY NIGHT THRU
SATURDAY NIGHT...WITH WK UPR FLOW OVR THE RGN (AREA ON ERN EDGE OF
SWRN CONUS RDG AND SOUTH OF A TROF OVR THE GREAT LAKES STATES). I
BLENDED THE NEW HPC GUIDANCE FOR THESE PERIODS. A WK LEE TROF ACRS
THE MIDLANDS MAY BE A FOCUS FOR AFTN/EVE THUNDERSTORMS EACH
DAY...AND OF COURSE THE MTN TOP CONVERGENCE WITH DAYTIME HEATING.
TEMPS/POPS WILL BE CLOSE TO CLIMO.

&&

.LONG TERM /SUNDAY THROUGH MONDAY/...
AT 230 PM EDT...THIS PERIOD STARTING AT 12Z SUNDAY HAS A WEAK COLD
FRONT CROSSING THE FORECAST AREA FROM THE NORTHWEST. THE 12Z GFS
AND THE 00Z ECMWF HAVE THE FRONT OVER ROUGHLY THE SAME AREA FROM
THE DELMARVA...ACROSS THE WESTERN CAROLINAS TO THE LOWER
MISSISSIPPI VALLEY. BOTH MODELS SHOW SIGNIFICANTLY PROJECTED
COVERAGE OF CONVECTION MAINLY OVER THE PIEDMONT. I COULD HAVE
RAISED POPS A BIT MORE...BUT A RATHER BUSY MEDIA DAY AND NEIGHBORS
GOING FOR LOW OR NO POPS. NEXT SHIFT OR TWO WILL REEVALUATE. AT
ANY RATE...THE FRONT WILL GRADUALLY MOVE SOUTHEAST TO BE SOUTHEAST
OF THE AREA ON MONDAY WHICH WILL BRING DRIER WEATHER AS HIGH
PRESSURE BUILDS FROM THE NORTH.

&&

.AVIATION /19Z MONDAY THROUGH SATURDAY/...
A LINE OF THUNDERSTORMS DEVELOPED OVER THE UPSTATE...BUT HAD PRETTY
MUCH PASSED KGSP AND KGMU AT ISSUANCE TIME. IT WAS STILL RAINING AT
KAND...BUT THE THUNDERSTORMS SHOULD END THERE BY 18 UTC AS WELL.
WITH THE ATMOSPHERE A LITTLE MORE STABLE AT THESE SITES...SHRA LOOKS
TO BE MORE OF A THREAT THAN TSTMS FOR A WHILE...WHICH IS WHAT I/VE
CARRIED IN THE TAFS. TSTM/S SHOULD STAY WEST OF KCLT...UNLESS
SOMETHING DEVELOPS AHEAD OF THE LINE. WINDS WILL BE LIGHT AND
VARIABLE THIS AFTERNOON...BUT SHOULD GENERALLY TAKE ONE MORE OF AS
EASTERLY COMPONENT WEAK COLD AIR DAMMING DEVELOPS ALONG THE EAST
SLOPES OF THE MTNS. CIGS WILL ALSO GRADUALLY LOWER INTO THE
BORDERLINE IFVR/MVFR RANGE BY AROUND MIDNIGHT AT MOST SITES AS THE
PCPN INCREASES ACROSS THE REGION. CONDITIONS SHOULD BE STABLE ONCE
THE LOW CLOUDS AND PCPN SET IN...THOUGH VSBYS WILL VARY AS PCPN
INTENSITY VARIES.

OUTLOOK...MOST ACTIVITY WILL BE ASSOCIATED WITH REMNANTS OF FAY.
EXPECT PERIODS OF MOD TO HEAVY RAIN AND CHANCE OF LOW CIG/VSBY INTO
THU...THEN DIURNAL CONVECTION FOR THE END OF THE WEEK.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...FLASH FLOOD WATCH THROUGH WEDNESDAY MORNING FOR GAZ010-017-018.
NC...FLASH FLOOD WATCH THROUGH WEDNESDAY MORNING FOR NCZ048-051>053-
     058-059-062>065-509-510.
SC...FLASH FLOOD WATCH THROUGH WEDNESDAY MORNING FOR SCZ001>007.

&&

SYNOPSIS...DEO
NEAR TERM...MCAVOY
SHORT TERM...ARK
LONG TERM...DEO
AVIATION...MCAVOY
Hazardous weather outlook, Aug 25, 3:55 PM EDT, 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
355 PM EDT MON AUG 25 2008

NCZ036-037-057-068>072-082-SCZ008-009-013-014-262000-
IREDELL-DAVIE-ROWAN-CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-
UNION NC-CHEROKEE-YORK-UNION SC-CHESTER-
355 PM EDT MON AUG 25 2008

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

.DAY ONE...TONIGHT.

NUMEROUS SHOWERS...WITH A FEW THUNDERSTORMS WILL DEVELOP OVER THE
REGION THIS EVENING...AND CONTINUE OVERNIGHT. THE MAIN THREAT FROM
THUNDERSTORMS WILL BE DANGEROUS CLOUD TO GROUND LIGHTING AND
LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

AS THE REMNANTS OF TROPICAL STORM FAY LIFT JUST TO THE WEST OF
THE APPALACHIANS...SHOWERS AND THUNDERSTORMS WILL BECOME
INCREASINGLY WIDESPREAD OVER THE NORTHWEST PIEDMONT OF SOUTH
CAROLINA AND THE WESTERN PIEDMONT OF NORTH CAROLINA. ISOLATED
AREAS OF FLASH FLOODING WILL BE POSSIBLE IN THE HEAVIER
STORMS...ESPECIALLY IN URBAN AREAS. THERE IS A SMALL CHANCE FOR AN
ISOLATED TORNADO LATE TONIGHT AND WEDNESDAY...BUT ONLY IF THE
ATMOSPHERE BECOMES A LITTLE MORE UNSTABLE THAN CURRENTLY
ANTICIPATED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

GAZ010-017-018-NCZ048-051>053-058-059-062>065-509-510-SCZ001>007-
262000-
RABUN-HABERSHAM-STEPHENS-MADISON-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-
NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-
POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-
355 PM EDT MON AUG 25 2008

...FLASH FLOOD WATCH IN EFFECT THROUGH WEDNESDAY MORNING...

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

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

HEAVY RAIN WILL DEVELOP OVER THE MOUNTAINS WITH THE REMNANTS OF
FAY. THERE IS ALSO A THREAT FOR ISOLATED TORNADOES LATER TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

PERIODS OF HEAVY RAIN WILL CONTINUE TUESDAY THROUGH EARLY
WEDNESDAY. THE THREAT OF AN ISOLATED TORNADO WILL ALSO LAST
THROUGH THE DAY ON TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

NCZ033-035-049-050-056-501>508-262000-
AVERY-ALEXANDER-YANCEY-MITCHELL-CATAWBA-CALDWELL MOUNTAINS-
GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-
EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-
355 PM EDT MON AUG 25 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA.

.DAY ONE...TONIGHT.

SHOWERS AND A FEW THUNDERSTORMS WILL AFFECT THE NORTHERN MOUNTAINS
AND FOOTHILLS OF NORTH CAROLINA TONIGHT. LOCALLY HEAVY RAINFALL IS
EXPECTED.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE THREAT OF HEAVY RAIN WILL LAST INTO WEDNESDAY MORNING AS THE
REMNANTS OF FAY MOVE WEST OF THE MOUNTAINS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

GAZ026-028-029-SCZ010>012-019-262000-
FRANKLIN-HART-ELBERT-ANDERSON-ABBEVILLE-LAURENS-GREENWOOD-
355 PM EDT MON AUG 25 2008

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

.DAY ONE...TONIGHT.

NUMEROUS SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER THE SOUTHERN
UPSTATE OF SOUTH CAROLINA AND THE FOOTHILLS OF NORTHEAST GEORGIA
THIS EVENING AND CONTINUE THROUGH THE NIGHT. WHILE THE GREATEST
THREAT FOR FLOODING RAIN WILL BE CLOSER TO THE MOUNTAINS...ANY
THUNDERSTORMS THAT FORM WILL HAVE THE POTENTIAL TO PRODUCE VERY
HEAVY RAIN AND ISOLATED FLASH FLOODING. IN ADDITION...AS THE
REMNANTS OF FAY MOVE CLOSER TO THE REGION...THE THREAT FOR
ISOLATED TORNADOES WILL INCREASE LATER TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE THREAT OF ISOLATED FLASH FLOODING AND EVEN ISOLATED TORNADOES
WILL LAST THROUGH THE DAY ON TUESDAY. THE THREAT OF TORNADOES
WILL DIMINISH TUESDAY EVENING...BUT THE HEAVY RAIN THREAT WILL
LAST THROUGH WEDNESDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

ARK

In the hours before

Special weather statement, Aug 25, 12:10 PM EDT, 4 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1210 PM EDT MON AUG 25 2008

SCZ002-003-005-006-010-251715-
ANDERSON-GREATER GREENVILLE-GREATER PICKENS-GREENVILLE
MOUNTAINS-PICKENS MOUNTAINS-
1210 PM EDT MON AUG 25 2008

...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WILL AFFECT EASTERN
PICKENS...GREENVILLE AND NORTHERN ANDERSON COUNTIES THROUGH 115 PM
EDT...

AT NOON EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES NORTHWEST OF
MARIETTA TO 8 MILES WEST OF WILLIAMSTON...MOVING EAST AT 15 MPH.

THESE STORMS WILL BE NEAR...
  POWDERSVILLE BY 1220 PM EDT.
  TRAVELERS REST BY 1225 PM EDT.
  FURMAN UNIVERSITY BY 1230 PM EDT.
  TIGERVILLE BY 1235 PM EDT.
  WHITE HORSE ROAD AT I-85 BY 1240 PM EDT.
  DOWNTOWN GREENVILLE BY 1250 PM EDT.

RAINFALL RATES OF UP TO TWO INCHES PER HOUR ARE LIKELY WITH THESE
STORMS...ALONG WITH WIND GUSTS OF 30 TO 40 MPH.

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

MCAVOY

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 11:32 AM EDTFlash Flood WatchGSPAvery, Buncombe, Burke, Caldwell, Graham, Haywood and 11 more44 hr
Aug 25, 3:25 PM EDTAreal Flood AdvisoryGSPCleveland110 min

Nearby

Flash Flood Warnings in North Carolina, 2008Every flash flood warning in 2008

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.