Alert archive / Georgia / Flash Flood Warnings in 2000

Flash Flood Warning 2, NWS Atlanta, GA

April 3, 20004 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at Apr 3, 2000, 2:19 AM EDT for 4 counties in Georgia. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 3, 2000, 2:19 AM EDT (06:19 UTC)
Expired: Apr 3, 2000, 3:15 AM EDT
In force: 56 min
Issued by: NWS Atlanta, GA
Area: Whole counties

Counties Bartow County, GA, Floyd County, GA, Paulding County, GA, Polk County, GA

The radar

The Atlanta radar (KFFC), 93 km from the middle of the area, began a volume at 06:23 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

Birmingham, AL (KBMX), launched 00:00Z, 6.3 hours before the alert went out and 192 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: 430 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 982 m above ground
0-6 km bulk shear: 81 kt
0-1 km storm-relative helicity: 851 m²/s²
0-3 km storm-relative helicity: 851 m²/s²
Significant tornado parameter: 2.3
Supercell composite: 21.3

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KFFC 030620
FFWFFC
GAC015-115-223-233-030715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
219 AM EDT MON APR 3 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BARTOW COUNTY IN NORTHWEST GEORGIA
  FLOYD COUNTY IN NORTHWEST GEORGIA
  PAULDING COUNTY IN NORTHWEST GEORGIA
  POLK COUNTY IN NORTHWEST GEORGIA

* UNTIL 315 AM EDT

* AT 219 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN 3 MILES NORTHEAST OF CEDARTOWN...MOVING NORTHEAST
  AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE SHANNON...ROME...ROCKMART...
  LINDALE...KINGSTON...HIRAM...EUHARLEE...EMERSON...DALLAS...CAVE
  SPRING...CARTERSVILLE...ARAGON AND ADAIRSVILLE

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 11:48 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Polk	27 min
Apr 3, 1:47 AM EDT	Severe Thunderstorm Warning	FFC	Floyd, Polk	28 min
Apr 3, 2:48 AM EDT	Severe Thunderstorm Warning	FFC	Cobb, DeKalb, Fulton	27 min
Apr 3, 2:57 AM EDT	Tornado Warning	FFC	Cherokee, Forsyth, Fulton	33 min
Apr 3, 3:22 AM EDT	Tornado Warning	FFC	Dawson, Forsyth, Hall, Lumpkin	38 min
Apr 3, 3:36 AM EDT	Severe Thunderstorm Warning	FFC	Meriwether, Pike, Spalding	24 min
Apr 3, 3:36 AM EDT	Severe Thunderstorm Warning	FFC	Fayette	24 min
Apr 3, 3:36 AM EDT	Severe Thunderstorm Warning	FFC	Lamar	24 min
Apr 3, 3:50 AM EDT	Severe Thunderstorm Warning	FFC	Upson	25 min
Apr 3, 3:55 AM EDT	Severe Thunderstorm Warning	FFC	Banks, Hall, Jackson, White	35 min
Apr 3, 4:08 AM EDT	Severe Thunderstorm Warning	FFC	Butts, Jasper, Lamar, Monroe, Spalding	52 min
Apr 3, 4:08 AM EDT	Severe Thunderstorm Warning	FFC	Jones	52 min
Apr 3, 4:31 PM EDT	Severe Thunderstorm Warning	FFC	Haralson, Polk	29 min
Apr 3, 6:24 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Paulding	36 min
Apr 3, 6:45 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee	30 min

Nearby

Flash Flood Warnings in Georgia, 2000 Every flash flood warning in 2000

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.