Alert archive / Georgia / Flash Flood Warnings in 2003

Flash Flood Warning 82, NWS Greenville-Spartanburg, SC

July 18, 2003Franklin County, Georgia

NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 18, 2003, 1:07 AM EDT for Franklin County, Georgia. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 18, 2003, 1:07 AM EDT (05:07 UTC)
Expired
Jul 18, 2003, 4:00 AM EDT
In force
3 hr
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Franklin County, GA

The radar

The Greer radar (KGSP), 108 km from the middle of the area, began a volume at 05:06 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 5.1 hours before the alert went out and 162 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 00:00Z on 2003-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 62 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2003-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
62 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
1840 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
-54 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 180507
FFWGSP
GAC119-180800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
107 AM EDT FRI JUL 18 2003

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FRANKLIN COUNTY IN NORTHEAST GEORGIA

* UNTIL 400 AM EDT

* AT 1 AM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER NORTHERN FRANKLIN COUNTY. RADAR ALSO ESTIMATED THAT BETWEEN
  4 AND 5 INCHES OF RAIN HAD FALLEN IN THE VICINITY OF RED HILL. AN
  ADDITIONAL ONE TO TWO INCHES OF RAIN COULD AFFECT THIS AREA THROUGH
  4 AM AS STORMS MOVE OVER THE COUNTY FROM THE EAST.

* STREAMS AND CREEKS WILL RISE STEADILY ACROSS THE COUNTY AS THE 
  EXCESSIVE RAINFALL FILTERS THROUGH COUNTY CREEK BASINS. SOME 
  STREAMS...ESPECIALLY IN THE NORTHERN HALF OF THE COUNTY...COULD
  COME OUT OF THEIR BANKS. STREAMS ESPECIALLY SUSCEPTIBLE TO FLOODING
  INCLUDE WHITTEN AND HUNTERS CREEKS...AS WELL AS THE NORTH FORK OF
  THE BROAD RIVER. SOME OF THESE STREAMS COULD FLOOD ROADS.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND. EVEN MODERN SPORT UTILITY VEHICLES CANNOT BE
SAFELY DRIVEN THROUGH FLOOD WATERS.

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

$$
BURRUS
2 follow-up statements
000 
WGUS72 KGSP 180627
FFSGSP
GAC119-180800-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
227 AM EDT FRI JUL 18 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 400 AM EDT FOR FRANKLIN
COUNTY...

AT 225 AM...WEATHER RADAR SHOWED MOSTLY LIGHT RAIN COVERING ALL OF 
FRANKLIN COUNTY. THERE WERE A FEW BATCHES OF MODERATE RAINFALL...BUT 
THESE WERE OCCURRING AWAY FROM WHERE EXTREMELY HEAVY RAINFALL 
OCCURRED EARLIER. RADAR ESTIMATED THAT BETWEEN 5 AND 6 INCHES OF 
RAIN HAD FALLEN IN NORTHERN FRANKLIN COUNTY...NEAR AND NORTHWEST OF 
RED HILL. NO FLOOD REPORTS HAD COME IN TO EITHER COUNTY OFFICIALS OR 
THE NATIONAL WEATHER SERVICE.

THROUGH 4 AM...RAINFALL IS EXPECTED TO GRADUALLY DISSIPATE FROM THE 
NORTH. MODERATE RAIN COULD OCCUR OCCASIONALLY FROM CARNESVILLE 
SOUTHWARD. FLOODING IS STILL POSSIBLE...AS EXCESSIVE RAINFALL FROM 
EARLIER FILTERS THROUGH COUNTY CREEKS AND STREAM BASINS.

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.

$$
BURRUS
000 
WGUS72 KGSP 180801
FFSGSP
GAC119-180830-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
400 AM EDT FRI JUL 18 2003

...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR FRANKLIN COUNTY
HAS EXPIRED AS OF 400 AM EDT...

AT 4 AM...WEATHER RADAR SHOWED ONLY LIGHT RAIN SHOWERS REMAINED OVER 
SOUTHERN FRANKLIN COUNTY. RAINFALL HAD ENDED IN THE NORTH...WHERE 
RADAR ESTIMATED BETWEEN 5 AND 6 INCHES OF RAIN HAD FALLEN SINCE LATE 
THURSDAY EVENING. NO FLOODING HAD BEEN REPORTED ANYWHERE IN FRANKLIN 
COUNTY.

EARLY MORNING COMMUTERS...ESPECIALLY THOSE WITH TRAVEL PLANS NORTH 
AND NORTHWEST OF RED HILL...SHOULD BE ALERT FOR THE POSSIBILITY THAT 
SOME ROADS MAY HAVE BEEN CLOSED BECAUSE OF THE HEAVY RAIN THURSDAY 
NIGHT AND EARLY FRIDAY MORNING.

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.

$$
BURRUS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 8:30 PM EDTFlash Flood WarningGSPRabun3 hr
Jul 17, 11:26 PM EDTSevere Thunderstorm WarningGSPFranklin49 min
Jul 18, 12:23 AM EDTFlash Flood WarningGSPHabersham3 hr

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.