Flash Flood Warning 117, NWS Greenville-Spartanburg, SC

000 
WGUS72 KGSP 120350
FFSGSP
NCC149-120430-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1149 PM EDT MON AUG 11 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 1230 AM EDT FOR POLK
COUNTY...

AT 1140 PM...NATIONAL WEATHER SERVICE RADAR INDICATED SHOWERS AND 
THUNDERSTORMS CONTINUING TO PRODUCE HEAVY RAINFALL ACROSS MUCH OF 
POLK COUNTY. RADAR ESTIMATES THAT 2 TO 3 INCH RAINFALL TOTALS ARE 
WIDESPREAD ACROSS THE COUNTY THIS EVENING. AS STORMS CONTINUE TO 
DEVELOP AND MOVE OVER THE COUNTY...ADDITIONAL RAINFALL AMOUNTS OF 1 
TO 2 INCHES WILL BE LIKELY THROUGH THE EARLY MORNING HOURS. 

COUNTY OFFICIALS REPORT THAT FLOODING CONTINUES IN LOW LYING AND 
POOR DRAINAGE AREAS ACROSS THE COUNTY. ALTHOUGH NO FLOODING HAS YET 
BEEN REPORTED ALONG CREEKS AND STREAMS...OFFICIALS REPORT THAT THE 
NORTH PACOLET IS NEARING BANKFUL. THE ADDITIONAL RAINFALL EXPECTED 
THIS EVENING WILL LIKELY RESULT IN FLOODING ALONG PORTIONS OF THE 
RIVER...AS WELL AS ALONG SMALLER STREAMS AND CREEKS...INCLUDING 
WHITE OAK CREEK AND COVE CREEK...AS WELL AS SMALLER TRIBUTARIES.    

DO NOT BECOME A FATALITY DO NOT CROSS FLOODED ROADS...THE ROAD COULD
BE WASHED OUT FROM THE FLOW OF THE WATER...AND YOUR CAR COULD BE
SWEPT AWAY BY THE SWIFTLY MOVING WATER.

$$

LANE

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
954 PM EDT MON AUG 11 2003

KGSP RADAR SHOWS ONLY WIDELY SCATTERED THUNDERSTORMS AT 0130Z... BUT
IT WOULD APPEAR THAT CONVECTION COULD PERSIST FOR SEVERAL HOURS AS
THE LATEST LAPS ANALYSIS CONTINUES TO SHOW AT LEAST 2000 J/KG CAPE
ACROSS THE PIEDMONT. EVIDENCE OF WEAK SHORT WAVE IN WATER VAPOR
IMAGERY OVER ERN TN/N GA WILL ALSO SUPPORT CONTINUED THREAT OF
CONVECTION OVERNITE. FOR ZFP UPDATE...WILL MAINTAIN SCATTERED
THUNDERSTORMS INTO THE EARLY MORNING HOURS ACROSS ALL BUT THE
EXTREME EAST...WHERE COVERAGE SHOULD BE ISOLATED. TEMPS LOOK FINE.

.GSP...
GA...NONE.
NC...NONE.
SC...NONE.

MOORE

...PREVIOUS DISCUSSION ISSUED AT 315 PM...
RETROGRADING UPPER LEVEL TROUGH AXIS SHOULD ALLOW PRECIP COVERAGE TO
STEADILY DIMINISH EACH DAY THIS WEEK. THE LONG TERM DRYING MAY BE
OFFSET BY SHORT TERM INCREASES IN CONVECTIVE COVERAGE ALONG THE
EASTERN ESCARPMENT AND SRN TIER UPSLOPE PREFERRED REGION. LOW LEVEL
FLOWS VEERS AROUND TO SOUTHERLY AND THEN SE THROUGH TOMORROW...
BEFORE UPPER LEVEL HEIGHTS CAN BUILD APPRECIABLY TO CAP OFF
CONVECTION. WILL FAN OUT A NARROW SWATCH OF LIKELY POPS ALONG THE
ESCARPMENT THIS EVENING AND THEN HIGH CHANCE FOR TOMORROW
EVENING...AND TAPER DOWN TO CHANCE CATEGORY ERN PIEDMONT AND TN
BORDER ZONES.

THE ETA IS QUITE AGGRESSIVE WITH CLOUDINESS ASSOC WITH THE LOW LEVEL
MOIST UPSLOPE...KEEPING BOUNDARY LAYER TEMPS IN THE 70S TOMORROW
EAST OF THE BLUE RIDGE. FEEL THIS IS A LITTLE OVERDONE...BUT WILL
STILL SHADE ALL TEMPS TOWARD THE COOLER ETA NUMBERS.

700 MB TEMPS WARM FROM +5 C TODAY TO +9 C ON WED AFTN. CONVECTION
WILL GRADUALLY BECOME MORE INHIBITED THROUGH THE WEEK...AND SHOULD
BE LARGELY CAPPED OFF BY THU AFTN. GFS STILL FEATURES DECAYING FRONT
AND S/W DROPPING SOUTHWARD EAST OF THE UPPER RIDGE FOR FRI/SAT...BUT
FEATURES HAVE NOT BEEN CONSISTENT IN STRENGTH AND TIMING. WILL
GENERALLY HOLD ONTO ONLY DIURNAL SLIGHT CHC POPS UNDER THE RIDGE THU
THROUGH MON.

FCSTID = 33

GSP 69 82 67 86 / 50 50 50 30
AND 69 83 67 86 / 50 50 50 30
CLT 69 83 67 86 / 50 40 40 30
HKY 66 80 65 85 / 60 50 50 30
AVL 63 79 63 83 / 70 50 50 30

HG

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-111200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
606 AM EDT MON AUG 11 2003

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

.DAY ONE...TODAY

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING.
SOME OF THESE THUNDERSTORMS COULD PRODUCE LARGE HAIL AND DAMAGING
WIND. LOCALLY HEAVY RAINFALL IS POSSIBLE.

.DAYS TWO THROUGH SEVEN...

SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE AREA THROUGH
THURSDAY. SCATTERED THUNDERSTORMS ARE EXPECTED FRIDAY IN NORTHEAST
GEORGIA...UPSTATE SOUTH CAORLINA...AND THE SOUTHERN FOOTHILLS AND
PIEDMONT OF NORTH CAROLINA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

07