Alert archive / South Carolina / Flash Flood Warnings in 2005
Flash Flood Warning 73, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 18, 2005, 7:46 PM EDT for Oconee County, South Carolina; Rabun County, Georgia. It was in force for 4 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
- Aug 18, 2005, 7:46 PM EDT (23:46 UTC)
- Expired
- Aug 18, 2005, 11:45 PM EDT
- In force
- 4 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
Counties Rabun County, GA, Oconee County, SC
The radar
The Greer radar (KGSP), 97 km from the middle of the area, began a volume at 23:48 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.8 hours before the alert went out and 193 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.
- Mixed-layer CAPE
- 1255 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 720 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS52 KGSP 182349
FFWGSP
GAC241-SCC073-190345-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
746 PM EDT THU AUG 18 2005
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
RABUN COUNTY IN NORTHEAST GEORGIA
OCONEE COUNTY IN UPSTATE SOUTH CAROLINA
* UNTIL 1145 PM EDT
* AT 742 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
NUMEROUS SHOWERS AND THUNDERSTORMS MERGING INTO ONE LARGE AREA
OVER CENTRAL AND EASTERN RABUN COUNTY...AS WELL AS WESTERN AND CENTRAL
OCONEE COUNTY. RADAR ESTIMATES AS MUCH AS TWO INCHES OF RAIN HAS FALLEN
THIS EVENING BETWEEN LAKEMONT AND LONG CREEK...AND ALSO AROUND
WESTMINSTER. ADDITIONAL RAINFALL OF 1 TO 2 INCHES...WITH ISOLATED
HIGHER AMOUNTS...WILL LIKELY BRING SHALLOWER STREAMS AND CREEKS
OUT OF THEIR BANKS IN THE WARNING AREA.
ESPECIALLY SUSCEPTIBLE TO FLASH FLOODING ARE STEKOA AND LITTLE
PERSIMMON CREEK IN RABUN COUNTY...AS WELL AS LITTLE TOXAWAY
CREEK...TWELVE MILE CREEK AND TRIBUTARIES TO THE CHATTOOGA RIVER
IN OCONEE COUNTY.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SALEM...
MOUNTAIN REST...PINE MOUNTAIN...MOUNTAIN CITY...DILLARD AND
CLAYTON.
TO REPORT FLOODING... HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
GREENVILLE-SPARTANBURG.
LAT...LON 3477 8351 3468 8330 3457 8314 3450 8300
3461 8285 3500 8294 3500 8339 3498 8350
3490 8357
$$
BURRUS2 follow-up statements
000
WGUS72 KGSP 190143
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
944 PM EDT THU AUG 18 2005
GAC241-190147-
RABUN GA-
944 PM EDT THU AUG 18 2005
...THE FLASH FLOOD WARNING FOR RABUN COUNTY IS CANCELLED...
RADAR INDICATED HEAVY RAIN HAD MOVED OUT OF THE COUNTY...AND
REDEVELOPMENT HEAVY RAIN SEEMS UNLIKELY. NO FLOODING WAS REPORTED
FROM COUNTY LAW ENFORCEMENT OFFICIALS OR TRAINED WEATHER SPOTTERS.
LAT...LON 3475 8332 3479 8332 3484 8324 3487 8324
3494 8311 3500 8310 3500 8295 3462 8286
3450 8300 3470 8333 3473 8335
$$
SCC073-190345-
OCONEE SC-
944 PM EDT THU AUG 18 2005
...A FLASH FLOOD WARNING CONTINUES UNTIL 1145 PM EDT FOR OCONEE
COUNTY...
AT 934 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE RAINFALL THAT COULD PRODUCE FLASH FLOODING OVER WESTERN AND
CENTRAL OCONEE COUNTY. RADAR ESTIMATES BETWEEN 2 AND 3 INCHES OF
RAIN FELL IN A SHORT TIME ALONG AND NORTH OF HIGHWAY 107...BETWEEN
MOODY COVE AND LONG CREEK...TO JUST WEST OF WESTMINSTER.
ADDITIONAL RAINFALL OF AN INCH CAN BE EXPECTED AS STORMS GRADUALLY
WEAKEN AND SHIFT SOUTH. THERE IS STILL THE POTENTIAL FOR FLOODING
ALONG LITTLE PERSIMMON CREEK...AND NOW SOUTH TO CHOESTOEA
CREEK...THE CHAUGA RIVER AND SMALLER TRIBUTARIES OF THE SAVANNAH
RIVER.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SALEM AND
MOUNTAIN REST.
LAT...LON 3475 8332 3479 8332 3484 8324 3487 8324
3494 8311 3500 8310 3500 8295 3462 8286
3450 8300 3470 8333 3473 8335
$$
BURRUS000
WGUS72 KGSP 190341
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1141 PM EDT THU AUG 18 2005
SCC073-190351-
OCONEE SC-
1141 PM EDT THU AUG 18 2005
...THE FLASH FLOOD WARNING FOR OCONEE COUNTY EXPIRES AT 1145 PM
EDT...
HEAVY RAIN HAS MOVED OUT OF THE COUNTY. NO FLOODING WAS REPORTED TO
EITHER LOCAL LAW ENFORCEMENT OR THE NATIONAL WEATHER SERVICE.
LAT...LON 3475 8332 3479 8332 3484 8324 3487 8324
3494 8311 3500 8310 3500 8295 3462 8286
3450 8300 3470 8333 3473 8335
$$
BURRUSWhat 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 18, 3:23 PM EDT, 4 hours 23 minutes earlier.
Area forecast discussion, Aug 18, 3:23 PM EDT, 4 hours 23 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
323 PM EDT THU AUG 18 2005
.SHORT TERM (TONIGHT THROUGH SUNDAY)...
AFTER REVIEWING UPSTREAM CONVECTION...ANTECEDENT RAINFALL OVER THE
PAST 24 HOURS...AND CURRENT FFG DATA...WILL EXTEND EXISTING FLASH
FLOOD WATCH UNTIL MIDNIGHT...AND EXPAND TO MADISON COUNTY.
H5 SHORTWAVE EXPECTED TO CROSS THE CURRENT WATCH AREA THROUGH THE
EVENING HOURS. THE NAM DEPICTS A SECONDARY SHORTWAVE TOWARD DAYBREAK
FRIDAY...WHILE THE GFS IS MUCH MORE MUTED AS 500 MB HEIGHTS BEGIN TO
RISE. ATHOUGH 850 MB FLOW BECOMES INCREASINGLY WESTERLY
OVERNIGHT...THIS IS ACTUALLY A WARM ADVECTION PATTERN INTO THE HIGH
TERRAIN. THE FOOTHILL AND PIEDMONT SHALLOW COLD WEDGE SHOULD BECOME
INCREASINGLY SQUEEZED TONIGHT AND THEN ERODE FAIRLY QUICKLY EARLY
FRIDAY.
EARLY PART OF PACKAGE FEATURES UPPER RIDGE AMPLIFYING OVER AL
FRI...RAISING HEIGHTS OVER MUCH OF SE USA. WILL LIMIT TEMPERATURE
GAIN FRI TO JUST BELOW GUIDANCE...IN LINGERING
MOISTURE/CLOUDS/PRECIP. MINIMUM TEMPERATURES RATHER WARM IN HUMID
AIR MASS UNDER CLOUD COVER. POPS MUCH LOWER FRI THAN TODAY AS LOW
LEVEL FLOW LOSES MUCH OF ITS UPSLOPE COMPONENT AND MID LEVELS DRY.
EXPECT WARMING SAT AS AREA GETS ON BACK SIDE OF SURFACE RIDGE AND
BEST MOISTURE ON PERIPHERY OF RIDGE MIGRATES TO GULF AND ATLANTIC
COASTS...BUT WENT TOWARD LOWER END OF GUIDANCE WITH MAX TEMPERATURE
AS SOME MOISTURE AND CLOUDS LINGER. POPS EVEN LOWER SAT THAN FRI AS
LOW LEVEL MOISTURE DECREASES AND UPPER ENERGY REMAINS TO N. BY LATE
SAT...UPPER TROUGH BEGINS TO AMPIFY OVER OH/TN VALLEYS...AS COLD
FRONT DIVES SE TOWARD AREA. WELL DEFINED FROPA EXPECTED SUN...WITH
CLOUDS/PRECIP COOLING AREA SLIGHTLY IN ADVANCE OF BETTER COLD
ADVECTION. REDUCED POPS WITH FRONT SUN IN WESTERLY LOW LEVEL FLOW
AHEAD OF BOUNDARY.
&&
.LONG TERM (SUNDAY NIGHT THROUGH THURSDAY)...
EXTENDED FORECAST STARTS MON WITH UPPER TROUGH AMPLIFYING ALONG E
COAST...STATIONARY FRONT ALONG COAST OF SE USA...AND COOL SURFACE
RIDGE ENTRENCHED OVER AREA. SMALL POPS THROUGHOUT EXTENDED...WITH BEST
MOISTURE/POPS E PORTION OF AREA...ALTHOUGH UPPER IMPULSES MOVING
DOWN BACK SIDE OF TROUGH MAY KEEP SOME MOISTURE IN NC MTS.
TEMPERATURES TO REMAIN COOL...EVEN AT END OF PERIOD WHEN UPPER
RIDGE BEGINS TO BUILD OVER AREA...AS SURFACE FLOW REMAINS NE WITH
RIDGE ALONG EASTERN SEABOARD...AND CLOUD COVER SHIFTS FROM E PORTION TO
S PORTION AND INCREASES AHEAD OF NEXT FRONT.
&&
.AVIATION...
WIDESPREAD SHOWERS ASSOCIATED WITH PASSING SHORTWAVE WILL MAINLY
AFFECT TAF LOCATIONS FROM KHKY TO KCLT THROUGH THE LATE AFTERNOON.
BREAKS IN LOW CLOUDS ARE ALSO INCREASING CONVECTIVE CHANCES FROM THE
SOUTHWEST THIS AFTERNOON...WITH AT LEAST VICINITY THUNDER LIKELY
FROM KAVL TO KGSP BY 21Z...AND KAND SHORTLY THEREAFTER. WITH WEAK
WEDGE FRONT BECOMING INCREASINGLY PINCHED...ONLY KHKY SHOULD REMAIN
ENTRENCHED IN NE FLOW THROUGH THE EVENING. WESTERLY FLOW OVER THE
MTNS SHOULD FINISH WEDGE LATE TONIGHT...BUT SHALLOW MOISTURE WILL
CONTRIBUTE TO MVFR TO IFR VSBY AND CIG BEFORE DAYBREAK. CONDITIONS
WILL STEADILY IMPROVE DURING THE OUTLOOK PERIOD WITH NW FLOW AND
SLIGHT DRYING ALOFT.
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...FLASH FLOOD WATCH FOR NCZ033-034-048-049-050-054-055 UNTIL
MIDNIGHT TONIGHT.
SC...NONE.
&&
SHORT TERM...HG/JAT
LONG TERM...JAT
AVIATION...HGHazardous weather outlook, Aug 18, 6:52 AM EDT, 12 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 652 AM EDT THU AUG 18 2005 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082- SCZ001>014-019-191100- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-CALDWELL- ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD- BUNCOMBE-MCDOWELL-BURKE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON- MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-POLK-RUTHERFORD- CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC- OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS- GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG- CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER- GREENWOOD- 652 AM EDT THU AUG 18 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF UPSTATE SOUTH CAROLINA...WESTERN NORTH CAROLINA...AND NORTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY INTO THIS EVENING. LOCALLY HEAVY RAIN IS THE BIGGEST THREAT FROM STORMS TODAY AND ISOLATED EXCESSIVE RAINFALL IS POSSIBLE... ESPECIALLY OVER PARTS OF NORTHWEST NORTH CAROLINA WHERE A FLASH FLOOD WATCH IS IN EFFECT. FOR FURTHER DETAILS...PLEASE SEE THE LATEST FFAGSP...ISSUED BY THIS OFFICE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED EACH AFTERNOON AND EVENING FRIDAY THROUGH SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
In the hours before
Special weather statement, Aug 18, 7:27 PM EDT, 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 727 PM EDT THU AUG 18 2005 GAZ010-017-018-026-028-029-SCZ001-004-005-010-011-019-190030- ABBEVILLE-ANDERSON-ELBERT-FRANKLIN GA-GREATER OCONEE-GREATER PICKENS- GREENWOOD-HABERSHAM-HART-OCONEE MOUNTAINS-RABUN-STEPHENS- INCLUDING THE CITIES OF...ABBEVILLE...ANDERSON...CLARKESVILLE... CLAYTON...ELBERTON...GREENWOOD...HARTWELL...TOCCOA 727 PM EDT THU AUG 18 2005 ...STRONG THUNDERSTORM POTENTIAL IN NORTHEAST GEORGIA AND THE WESTERN UPSTATE OF SOUTH CAROLINA... AT 718 PM EDT...A LARGE AREA OF THUNDERSTORMS...SOME WITH FREQUENT CLOUD TO GROUND LIGHTNING...ARE MOVING EAST SOUTHEAST AT 15 MPH ACROSS EXTREME NORTH GEORGIA. MOST OF THE STORMS EXTENDED FROM SKY VALLEY...WESTWARD TOWARD BLAIRSVILLE AND LOCATIONS FARTHER WEST IN FAR NORTH GEORGIA. WITH VERY UNSTABLE AIR ACROSS NORTHEAST GEORGIA AND PORTIONS OF THE FAR WESTERN UPSTATE...THERE IS THE POTENTIAL FOR SOME OF THESE STORMS TO PRODUCE STRONG WIND GUSTS OF OVER 40 MPH AND HAIL. THERE IS ALSO THE POTENTIAL FOR RAINFALL OF WELL OVER AN INCH IN AN HOUR...ESPECIALLY WHERE STORMS WITH HEAVY RAIN REPEAT OVER THE SAME LOCATIONS. THIS COULD LEAD TO FLOODING OF LOW LYING AREAS... ESPECIALLY THOSE THAT ARE FLOOD PRONE. OUTLAW
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 7:46 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 59 min |
Nearby
Flash Flood Warnings in South Carolina, 2005Flash Flood Warnings in Georgia, 2005Every flash flood warning in 2005
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.