Alert archive / Georgia / Flash Flood Warnings in 2003

Flash Flood Warning 116, NWS Atlanta, GA

July 16, 2003Gilmer County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jul 16, 2003, 4:15 PM EDT for Gilmer County, Georgia. It was in force for 2 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
Jul 16, 2003, 4:15 PM EDT (20:15 UTC)
Expired
Jul 16, 2003, 6:15 PM EDT
In force
2 hr
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

County Gilmer County, GA

The radar

The Atlanta radar (KFFC), 142 km from the middle of the area, began a volume at 20:15 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 12:00Z, 8.3 hours before the alert went out and 141 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 2003-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1129 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 12:00Z on 2003-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
1129 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
976 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
28 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 KFFC 162017
FFWATL
GAC123-162215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
415 PM EDT WED JUL 16 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN GILMER COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 615 PM EDT

* AT 410 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN SOUTHEAST OF ELLIJAY...NEAR OWLTOWN CREEK...TURKEY
CREEK AND CLEAR CREEK...MOVING SOUTH AT 5 MPH.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS. THE HEAVY RAINS COULD ALSO TRIGGER ROCK 
AND MUDSLIDES IN STEEP TERRAIN.

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. TWO FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES...
INCLUDING SUVS AND PICKUPS. VEHICLES CAUGHT IN RISING WATER SHOULD
BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

LAT...LON 3472 8432 3466 8460 3455 8462 3455 8439
          3463 8421

$$
2 follow-up statements
000 
WGUS72 KFFC 162054
FFSATL
GAC123-162215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
451 PM EDT WED JUL 16 2003

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR GILMER COUNTY UNTIL 615 
PM EDT...

REPORTS OF FLASH FLOODING HAVE BEEN RECEIVED FROM THE PUBLIC 
SOUTHEAST OF ELLIJAY.

RAINFALL HAS BEEN ESTIMATED IN THE 2 TO 5 INCH RANGE IN SOUTHERN 
GILMER COUNTY.

THIS IS A DANGEROUS FLASH FLOOD SITUATION. ADDITIONAL RAINFALL OF 1 
TO 3 INCHES CAN BE EXPECTED IN SOUTHERN GILMER COUNTY.

CREEKS AFFECTED INCLUDE OWLTOWN CREEK...TURKEY CREEK AND CLEAR CREEK.

MOVEMENT WAS SOUTH AT 5 MPH.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS
AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO
TRIGGER ROCK AND MUDSLIDES.

YOU CAN REPORT SERIOUS FLOODING TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3465 8464 3455 8447 3462 8424 3473 8429

$$
000 
WGUS72 KFFC 162132
FFSATL
GAC123-162215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
530 PM EDT WED JUL 16 2003

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR GILMER COUNTY UNTIL 615 
PM EDT...

THIS REMAINS A VERY DANGEROUS FLASH FLOOD EVENT

REPORTS OF FLASH FLOODING HAVE BEEN RECEIVED FROM THE 911 CENTER IN 
GILMER COUNTY. ROADS HAVE BEEN WASHED OUT IN SOUTHERN GILMER COUNTY 
NEAR CARTECAY. SOME RESCUES ARE ONGOING.

RAINFALL HAS BEEN ESTIMATED IN THE 3 TO 7 INCH RANGE IN SOUTHERN 
GILMER COUNTY.

RAINFALL WILL DIMINSH THROUGH 630 PM.

CREEKS AFFECTED INCLUDE OWLTOWN CREEK...TURKEY CREEK AND CLEAR CREEK.

MOVEMENT WAS SOUTHWEST AT 5 MPH.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS
AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO
TRIGGER ROCK AND MUDSLIDES.

YOU CAN REPORT SERIOUS FLASH FLOODING TO THE NATIONAL WEATHER 
SERVICE BY CALLING TOLL FREE 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3465 8464 3455 8447 3462 8424 3473 8429

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 16, 3:35 PM EDTFlash Flood WarningFFCLumpkin115 min
Jul 16, 4:48 PM EDTSevere Thunderstorm WarningFFCJackson27 min
Jul 16, 4:59 PM EDTSevere Thunderstorm WarningFFCGilmer, Pickens46 min
Jul 16, 5:08 PM EDTFlash Flood WarningFFCPickens3 hr
Jul 16, 5:55 PM EDTSevere Thunderstorm WarningFFCGordon35 min
Jul 16, 6:02 PM EDTFlash Flood WarningFFCGordon3 hr
Jul 16, 6:09 PM EDTFlash Flood WarningFFCGilmer3 hr
Jul 16, 6:17 PM EDTFlash Flood WarningFFCFannin, Union118 min
Jul 16, 6:37 PM EDTSevere Thunderstorm WarningFFCNewton, Walton23 min
Jul 16, 6:59 PM EDTSevere Thunderstorm WarningFFCNewton, Walton31 min

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.