Alert archive / Georgia / Flash Flood Warnings in 2003

Flash Flood Warning 134, NWS Greenville-Spartanburg, SC

October 8, 2003Elbert County, Hart County, Georgia

NWS Greenville-Spartanburg, SC issued this flash flood warning at Oct 8, 2003, 10:49 AM EDT for Elbert County, Hart 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
Oct 8, 2003, 10:49 AM EDT (14:49 UTC)
Expired
Oct 8, 2003, 2:45 PM EDT
In force
4 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

Counties Elbert County, GA, Hart County, GA

The radar

The Greer radar (KGSP), 89 km from the middle of the area, began a volume at 14:48 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, 2.8 hours before the alert went out and 180 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, Peachtre/Fal Fld, GA at 12:00Z on 2003-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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, Peachtre/Fal Fld, GA at 12:00Z on 2003-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
25 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
666 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
26 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 081448
FFWGSP
GAC105-147-081845-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1049 AM EDT WED OCT 8 2003

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HART COUNTY IN NORTHEAST GEORGIA
  ELBERT COUNTY IN NORTHEAST GEORGIA

* UNTIL 245 PM EDT

* AT 1036 AM EDT...WEATHER SERVICE DOPPLER RADAR SHOWED VERY HEAVY   
  RAIN CONTINUING ACROSS THESE COUNTIES.  RADAR HAS ESTIMATED AS     
  MUCH AS 5 TO 6 INCHES OF RAIN SINCE ABOUT 6 AM...WITH LOCALLY      
  HEAVIER AMOUNTS LIKELY.

* THIS MUCH RAIN IN A SHORT TIME WILL CAUSE FLASH FLOODING OF CREEKS 
  AND LOW AREAS...AND WILL LIKELY FLOOD ROADS AND SOME BRIDGES. 

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF 
COUNTRY ROADS...NORMALLY DRY WASHES...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS.

TO REPORT FLOODING HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR
REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
GREENVILLE-SPARTANBURG.

LAT...LON 3454 8297 3421 8268 3404 8286 3428 8309
          3449 8312

$$
JONES
3 follow-up statements
000 
WGUS72 KGSP 081556
FFSGSP
GAC105-147-081845-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1157 AM EDT WED OCT 8 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 245 PM EDT FOR HART AND
ELBERT COUNTIES...

AT 1145 AM EDT...RADAR SHOWED HEAVY RAIN CONTINUING ACROSS THE 
WARNING AREA.  RADAR HAS ESTIMATED 4 TO 5 INCHES OF RAIN ACROSS 
CENTRAL HART COUNTY...EXTENDING SOUTHEAST ACROSS THE NORTHERN THIRD 
OF ELBERT COUNTY.  A FEW PLACES WITHIN THAT AREA SHOWED ESTIMATES OF 
5 TO 6 INCHES OF RAIN.

SOME ACTUAL REPORTS FROM COOPERATIVE OBSERVERS JUST OUTSIDE THE AREA 
OF MAXIMUM RAINFALL ESTIMATES...HARTWELL DAM 3.82 INCHES...HARTWELL 
CITY 4.71 INCHES...ELBERTON 3.85 INCHES.

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.

$$
JONES
000 
WGUS72 KGSP 081716
FFSGSP
GAC105-147-081845-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
117 PM EDT WED OCT 8 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 245 PM EDT FOR HART AND
ELBERT COUNTIES...

AT 1 PM...WEATHER RADAR SHOWED HEAVY RAINFALL IN A BAND FROM 
NORTHERN HART COUNTY...EXTENDING SOUTHEAST ACROSS HARTWELL LAKE INTO 
SOUTHWEST ANDERSON COUNTY...AND WESTERN ABBEVILLE COUNTY.  HEAVY 
RAIN WAS ALSO SHOWN ACROSS PARTS OF STEPHENS COUNTY GEORGIA AND 
OCONEE COUNTY SOUTH CAROLINA.  A SMALL AREA OF SHOWERS WAS SHOWN 
OVER NORTHERN ELBERT COUNTY.

THE ELBERT COUNTY ROADS AND BRIDGES DEPARTMENT REPORTED SIGNIFICANT 
ROAD FLOODING ACROSS THE NORTHERN PART OF THE COUNTY...WITH A NUMBER 
OF CULVERTS WASHED OUT...AND LOTS OF DEBRIS FROM FLOOD WATER.

A SPOTTER...COUNTY OFFICIALS...AND THE UNITED STATES ARMY CORPS OF 
ENGINEERS IN HART COUNTY...REPORTED LOTS OF STREAMS RUNNING VERY 
HIGH...AND SOME ROAD FLOODING.  HOWEVER...THERE HAVE NOT BEEN 
REPORTS OF SIGNIFICANT FLOODING YET.  IT IS LIKELY SOME STREAMS AND 
ROADS ARE FLOODED...ESPECIALLY IN THE SOUTHERN PART OF THE COUNTY 
NEAR THE ELBERT LINE.  THESE MAY NOT HAVE BEEN REPORTED TO COUNTY 
OFFICIALS YET.

MOTORISTS ACROSS THE WARNING AREA...ESPECIALLY SCHOOL BUS 
DRIVERS...SHOULD BE ESPECIALLY ALERT FOR FLOODED ROADS AND BRIDGES 
THIS AFTERNOON.

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.

$$
JONES
000 
WGUS72 KGSP 081852
FFSGSP
GAC105-147-081900-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
252 PM EDT WED OCT 8 2003

...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR HART AND ELBERT
COUNTIES HAS EXPIRED AS OF 245 PM EDT...

THE HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN
THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE
FLASH FLOOD THREAT. EVEN THOUGH STREAMS AND CREEKS WERE RECEDING...
SOME ROADWAYS STILL MAY BE COVERED WITH WATER. MOTORISTS ARE ADVISED
TO AVOID DRIVING THROUGH FLOODED ROADWAYS.

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.

$$
JONES

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 Oct 8, 9:40 AM EDT, 1 hour 9 minutes earlier.

Area forecast discussion, Oct 8, 9:40 AM EDT, 1 hour 9 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
940 AM EDT WED OCT  8 2003

.DISCUSSION...
UPDATED ZONES TO GO CAT POPS MOST AREAS E OF THE MTNS. UPPER LOW IS
VERIFYING A LITTLE STRONGER AND MORE CUT OFF THAN ORIGINALLY
EXPECTED. THIS IS RESULTING IN A WEAK DEFORMATION ZONE ACROSS THE
UPSTATE AND NE GA...W/EMBEDDED HEAVY RAIN PRODUCING TSRA. THE STRONG
UPGLIDE STAYS WELL E OF THE CWFA TDA. HOWEVER...LAPSE RATES REMAIN
STEEP...AND UPSLOPE FLOW BECOMES STRONGER. THE ETA INCREASES
VERTICAL VELOCITIES AS THE DAY PROGRESSES...PARTICULARLY ACROSS THE
NRN UPSTATE AND THE NC PIEDMONT AND FOOTHILLS. PATH OF LEAST REGRET
IS SIMPLY TO RAISE POPS.

WL ALSO LOWER MAX TEMPS SEVERAL DEGREES IN THE NC FOOTHILLS AND
PIEDMONT. DRY AIR TRAPPED ALONG THE LEE COMBINED W/THE HEAVIER THAN
EXPECTED PCPN WL RESULT IN IN SITU DAMMING AND TEMPS WL BE HARD
PRESSED TO RISE MORE THAN A FEW DEGREES. IF THE PCPN IS HEAVY
ENUF...THEY MAY EVEN FALL A DEGREE OR TWO ALONG AND NORTH OF I-40.
&&

.PRELIMINARY POINT TEMPS/POPS...
GSP 64 56 69 56 / 90 60 40 40
AND 65 56 71 58 / 90 40 30 30
CLT 64 56 68 57 / 90 70 40 40
HKY 60 54 66 56 / 80 80 60 50
AVL 60 52 66 54 / 70 60 40 40
&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.
&&
MCAVOY
Hazardous weather outlook, Oct 8, 5:00 AM EDT, 5 hours 49 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-081100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
500 AM EDT WED OCT 8 2003

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

.DAY ONE...TODAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

In the hours before

Special weather statement, Oct 8, 7:12 AM EDT, 3 hours 37 minutes before
GAZ018-026-028-029-SCZ004-005-010-011-081400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
712 AM EDT WED OCT 8 2003

AT 705 AM...WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS MOVING
SLOWLY NORTHWARD ACROSS EAST CENTRAL GEORGIA...EXTREME NORTHEAST
GEORGIA AND EXTREME WESTERN SOUTH CAROLINA. THE HEAVIEST RAIN HAD
FALLEN ACROSS HART AND NORTHERN ELBERT COUNTIES IN EXTREME NORTHEEAST
GEORGIA...WHERE RADAR ESTIMATED AS MUCH AS TWO INCHES OF RAIN HAD
FALLEN IN THE PREDAWN HOURS.

THROUGH MID MORNING...EXPECT HEAVY RAIN TO OVERSPREAD LOCATIONS FROM
ELBERTON AND HARTWELL...NORTH AND EAST TO ABBEVILLE AND ANDERSON...AS
WELL AS PICKENS AND CLEMSON. RAINFALL COULD BE ENOUGH TO CAUSE
PONDING OF WATER ON ROADS...AND IN POOR DRAINAGE AREAS.

WITH THE RECENT LACK OF RAINFALL...THE GROUND OVER NORTHEAST GEORGIA
AND WESTERN SOUTH CAROLINA HAS BECOME HARD IN SOME AREAS. AS HEAVY
RAIN FALLS ONTO THE HARD GROUND...RUNOFF INTO STREAMS AND CREEKS WILL
BE MAXIMIZED IN SOME LOCATIONS.

BY MID MORNING...THE HEAVIEST RAINFALL SHOULD SHIFT NORTHWARD TOWARD
GREENVILLE...SPARTANBURG AND THE SOUTH CAROLINA MOUNTAINS.

STAY TUNED TO NOAA WEATHER RADIO OR THE MEDIA FOR THE LATEST
INFORMATION CONCERNING THIS DEVELOPING WEATHER SITUATION.

Nearby

Flash Flood Warnings in Georgia, 2003Every flash flood warning in 2003

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.