Alert archive / Georgia / Flash Flood Warnings in 2003

Flash Flood Warning 40, NWS Atlanta, GA

May 6, 2003Cobb County, Georgia

NWS Atlanta, GA issued this flash flood warning at May 6, 2003, 5:28 PM EDT for Cobb 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: May 6, 2003, 5:28 PM EDT (21:28 UTC)
Expired: May 6, 2003, 11:00 PM EDT
In force: 6 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), 66 km from the middle of the area, began a volume at 21:30 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, 9.5 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 386 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 521 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 191 m²/s²
0-3 km storm-relative helicity: 264 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS52 KFFC 062130
FFWATL
GAC067-070300-
BULLETIN - EAS ACTIVATION REQUESTED	
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE PEACHTREE CITY GA 
528 PM EDT TUE MAY 06 2003


THE NATIONAL WEATHER SERVICE HAS ISSUED A


* FLASH FLOOD WARNING FOR...
  COBB COUNTY IN NORTH CENTRAL GEORGIA


* UNTIL 11 PM.



* HEAVY RAINFALL IS SENDING SOPE CREEK OUT OF ITS BANKS.

* FOR THE SOPE CREEK NEAR MARIETTA...
   MINOR FLOODING IS FORECAST.
   LATEST STAGE...WAS 11.8 FEET AT 5 PM TUESDAY.
   BANKFULL STAGE...IS 12.0 FEET.  
   FLOOD STAGE...IS 12.0 FEET.
   THE FORECAST...FOR THE SOPE CREEK NEAR MARIETTA... 
          THE CREEK WILL RISE ABOVE FLOOD STAGE AT 6 PM TUESDAY. 
          IT WILL CREST BETWEEN 12.5 AND 13.5 FEET AT 8 PM TUESDAY. 
          IT WILL FALL BELOW FLOOD STAGE AT 9 PM TUESDAY. 


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 
SUVS AND PICKUPS. VEHICLES CAUGHT IN RISING WATER SHOULD BE 
ABANDONED QUICKLY. MOVE TO HIGH GROUND.

YOU CAN REPORT SERIOUS FLOODING TO THE NATIONAL WEATHER SERVICE BY 
CALLING 7 7 0 4 8 6 1 1 3 3 AT EXTENSION 2 0 4.

LAT...LON 3394 8474 3381 8459 3399 8439 3410 8453

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 5, 8:29 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cobb, Paulding	31 min
May 5, 10:10 PM EDT	Severe Thunderstorm Warning	FFC	Greene	35 min
May 5, 10:32 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Haralson	28 min
May 5, 11:04 PM EDT	Severe Thunderstorm Warning	FFC	Douglas	26 min
May 5, 11:34 PM EDT	Severe Thunderstorm Warning	FFC	Walton	26 min
May 6, 12:13 AM EDT	Severe Thunderstorm Warning	FFC	Rockdale	32 min
May 6, 12:23 AM EDT	Severe Thunderstorm Warning	FFC	Newton	37 min
May 6, 12:31 AM EDT	Flash Flood Warning	FFC	Cobb	4 hr
May 6, 1:33 AM EDT	Flash Flood Warning	FFC	DeKalb, Fulton	7 hr
May 6, 4:36 AM EDT	Flash Flood Warning	FFC	Dade, Walker	3 hr
May 6, 8:15 AM EDT	Flash Flood Warning	FFC	Catoosa, Dade, Walker	3 hr
May 6, 8:54 AM EDT	Flash Flood Warning	FFC	Whitfield	4 hr
May 6, 10:25 AM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Dade, Walker	35 min
May 6, 10:29 AM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Dade, Walker	31 min
May 6, 10:50 AM EDT	Severe Thunderstorm Warning	FFC	Chattooga	40 min
May 6, 10:59 AM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Walker	46 min
May 6, 11:12 AM EDT	Severe Thunderstorm Warning	FFC	Floyd, Gordon, Whitfield	48 min
May 6, 11:15 AM EDT	Flash Flood Warning	FFC	Catoosa, Chattooga, Dade, Walker, Whitfield	3 hr
May 6, 11:29 AM EDT	Severe Thunderstorm Warning	FFC	Murray	31 min
May 6, 11:38 AM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Fannin, Gilmer, Pickens, Polk	52 min
May 6, 11:39 AM EDT	Flash Flood Warning	FFC	Floyd, Gordon	3 hr
May 6, 11:47 AM EDT	Tornado Warning	FFC	Bartow	28 min
May 6, 12:00 PM EDT	Severe Thunderstorm Warning	FFC	Floyd	30 min
May 6, 12:05 PM EDT	Tornado Warning	FFC	Cherokee	25 min
May 6, 12:06 PM EDT	Tornado Warning	FFC	Pickens	24 min
May 6, 12:13 PM EDT	Flash Flood Warning	FFC	Bartow, Cherokee, Pickens	3 hr
May 6, 12:13 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Forsyth, Hall, Lumpkin	47 min
May 6, 12:31 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd	44 min
May 6, 12:44 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee	31 min
May 6, 12:51 PM EDT	Tornado Warning	FFC	Cherokee	24 min
May 6, 12:56 PM EDT	Flash Flood Warning	FFC	Dawson	3 hr
May 6, 1:01 PM EDT	Tornado Warning	FFC	Hall	29 min
May 6, 1:10 PM EDT	Tornado Warning	FFC	Dawson, Forsyth	35 min
May 6, 1:15 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Fulton	45 min
May 6, 1:24 PM EDT	Severe Thunderstorm Warning	FFC	Floyd, Paulding, Polk	36 min
May 6, 1:29 PM EDT	Flash Flood Warning	FFC	Forsyth, Hall	3 hr
May 6, 1:31 PM EDT	Tornado Warning	FFC	Banks, Hall, Jackson	29 min
May 6, 1:34 PM EDT	Severe Thunderstorm Warning	FFC	Gwinnett	41 min
May 6, 1:50 PM EDT	Tornado Warning	FFC	Barrow, Jackson	25 min
May 6, 1:54 PM EDT	Tornado Warning	FFC	Madison	36 min
May 6, 2:02 PM EDT	Flash Flood Warning	FFC	Cobb, Fulton, Gwinnett	3 hr
May 6, 2:07 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, DeKalb, Fulton, Gwinnett	38 min
May 6, 2:09 PM EDT	Tornado Warning	FFC	Cobb, DeKalb, Fulton	36 min
May 6, 2:13 PM EDT	Tornado Warning	FFC	Jackson	17 min
May 6, 2:21 PM EDT	Flash Flood Warning	FFC	Paulding	3 hr
May 6, 2:23 PM EDT	Tornado Warning	FFC	Madison	37 min
May 6, 2:25 PM EDT	Tornado Warning	FFC	Gwinnett	35 min
May 6, 2:28 PM EDT	Tornado Warning	FFC	Clarke, Oglethorpe	32 min
May 6, 2:30 PM EDT	Flash Flood Warning	FFC	Polk	3 hr
May 6, 2:48 PM EDT	Flash Flood Warning	FFC	Barrow, Jackson, Madison	3 hr
May 6, 2:48 PM EDT	Severe Thunderstorm Warning	FFC	Walton	27 min
May 6, 3:00 PM EDT	Tornado Warning	FFC	Oglethorpe	30 min
May 6, 3:04 PM EDT	Flash Flood Warning	FFC	Clarke, Oconee, Oglethorpe, Walton, Wilkes	3 hr
May 6, 3:15 PM EDT	Tornado Warning	FFC	Wilkes	30 min
May 6, 3:28 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Oconee, Oglethorpe	47 min
May 6, 3:29 PM EDT	Flash Flood Warning	FFC	DeKalb	3 hr
May 6, 3:39 PM EDT	Flash Flood Warning	FFC	Douglas	3 hr
May 6, 3:49 PM EDT	Severe Thunderstorm Warning	FFC	Taliaferro, Wilkes	41 min
May 6, 3:54 PM EDT	Flash Flood Warning	FFC	Fulton	2 hr
May 6, 4:03 PM EDT	Tornado Warning	FFC	Wilkes	42 min
May 6, 4:21 PM EDT	Flash Flood Warning	FFC	Rockdale	3 hr
May 6, 4:26 PM EDT	Severe Thunderstorm Warning	FFC	Warren	34 min
May 6, 4:27 PM EDT	Severe Thunderstorm Warning	FFC	Fayette, Fulton	28 min
May 6, 4:32 PM EDT	Severe Thunderstorm Warning	FFC	Heard	28 min
May 6, 4:40 PM EDT	Flash Flood Warning	FFC	Clayton, Greene, Henry, Morgan, Newton	65 min
May 6, 5:12 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Heard	33 min
May 6, 5:19 PM EDT	Flash Flood Warning	FFC	DeKalb, Fulton	6 hr
May 6, 6:06 PM EDT	Flash Flood Warning	FFC	Carroll, Douglas, Haralson, Paulding	84 min
May 6, 6:40 PM EDT	Severe Thunderstorm Warning	FFC	Lamar, Pike	35 min
May 6, 6:48 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether	22 min

Nearby

Flash Flood Warnings in Georgia, 2003 Every 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.