Alert archive / Georgia / Flash Flood Warnings in 2004

Flash Flood Warning 37, NWS Atlanta, GA

September 27, 2004DeKalb County, Fulton County, Georgia

NWS Atlanta, GA issued this flash flood warning at Sep 27, 2004, 6:00 PM EDT for DeKalb County, Fulton County, Georgia. It was in force for 6 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
Sep 27, 2004, 6:00 PM EDT (22:00 UTC)
Expired
Sep 27, 2004, 11:50 PM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

Counties DeKalb County, GA, Fulton County, GA

The radar

The Atlanta radar (KFFC), 60 km from the middle of the area, began a volume at 22:02 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, 10.0 hours before the alert went out and 57 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 2004-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2004-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
569 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
327 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 272216
FFWATL
GAC089-121-280350-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
600 PM EDT MON SEP 27 2004

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR PEACHTREE CREEK IN...
  FULTON COUNTY IN NORTH CENTRAL GEORGIA
  DEKALB COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 1150 PM EDT

* NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 1 TO 3 INCHES OF
  RAIN HAS FALLEN OVER THE ATLANTA METROPOLITAN AREA SINCE 2 PM...
  RESULTING IN CREEKS AND STREAMS TO REACH TO NEAR BANKFULL.

* FOR THE PEACHTREE CREEK NEAR ATLANTA...
   MINOR FLOODING IS FORECAST.
   THE LATEST STAGE WAS 10.2 FEET AT 6 PM MONDAY.
   FLOOD STAGE IS 17.0 FEET.
   THE FORECAST FOR THE PEACHTREE CREEK NEAR ATLANTA...
      THE CREEK WILL CREST NEAR 17 FEET AROUND 10 PM MONDAY.

AT 15 FEET...ATLANTA MEMORIAL PARK STARTS TO HAVE HIGH WATER.
WOODWARD WAY BEGINS TO FLOOD.

AT 13 FEET...BOBBY JONES GULF COURSE BEGINS TO FLOOD AND BANKFULL
LEVELS ARE REACHED.

PROCTOR CREEK...NANCY CREEK...AND OTHER STREAMS AND CREEKS IN THE
ATLANTA AREA WILL REACH TO NEAR BANKFULL.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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 
SPORT UTILITY VEHICLES AND PICKUPS. VEHICLES CAUGHT IN RISING WATER 
SHOULD BE ABANDONED QUICKLY. MOVE TO HIGH GROUND.

A FLASH FLOOD WARNING MEANS THAT SIGNIFICANT FLOODING OF STREAMS...
CREEKS...AND ROADS IS EXPECTED. THIS MAY CAUSE SOME MODERATE TO MAJOR
INCONVENIENCES TO THE PUBLIC...AND PROPERTY DAMAGE OR THREAT TO LIFE 
IS ELEVATED.

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

LAT...LON 3393 8421 3382 8421 3378 8447 3384 8445


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 4:04 AM EDTTornado WarningFFCMontgomery, Wheeler26 min

Nearby

Flash Flood Warnings in Georgia, 2004Every flash flood warning in 2004

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.