Alert archive / Georgia / Flash Flood Warnings in 2004
Flash Flood Warning 11, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Aug 5, 2004, 6:38 PM EDT for Cobb 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
- Aug 5, 2004, 6:38 PM EDT (22:38 UTC)
- Expired
- Aug 5, 2004, 9:00 PM EDT
- In force
- 2 hr
- Issued by
- NWS Atlanta, GA
- Area
- Counties, with a storm outline in the text
County Cobb County, GA
The radar
The Atlanta radar (KFFC), 67 km from the middle of the area, began a volume at 22:38 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, 10.6 hours before the alert went out and 66 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
- 245 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1309 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 31 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 KFFC 052242
FFWATL
GAC067-060100-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
638 PM EDT THU AUG 05 2004
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR SOPE CREEK IN...
COBB COUNTY IN NORTH CENTRAL GEORGIA
* UNTIL 9 PM
* NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERAL INCHES OF
RAIN FELL NEAR SOPE CREEK LATE THIS AFTERNOON. RUNOFF FROM THIS
RAIN HAS CAUSED SHARP RISES IN WATER LEVELS ALONG THE CREEK.
* FOR THE SOPE CREEK NEAR MARIETTA...
THE LATEST STAGE WAS 11.2 FEET AT 6 PM THURSDAY.
FLOOD STAGE IS 12.0 FEET.
THE FORECAST FOR THE SOPE CREEK NEAR MARIETTA...
THE CREEK WILL RISE ABOVE FLOOD STAGE AROUND 7 PM.
THE CREEK WILL CREST BETWEEN 13 AND 14 FEET BY 9 PM.
THE CREEK WILL FALL BELOW FLOOD STAGE BY 11 PM.
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 3396 8456 3388 8449 3398 8438 3404 8443
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 2:09 PM EDT | Severe Thunderstorm Warning | FFC | Banks | 36 min |
| Aug 5, 2:24 PM EDT | Severe Thunderstorm Warning | FFC | Jackson | 36 min |
| Aug 5, 2:49 PM EDT | Severe Thunderstorm Warning | FFC | Clarke | 26 min |
| Aug 5, 3:20 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 25 min |
| Aug 5, 3:54 PM EDT | Severe Thunderstorm Warning | FFC | Greene | 36 min |
| Aug 5, 4:13 PM EDT | Severe Thunderstorm Warning | FFC | Cobb | 32 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.