Alert archive / Georgia / Flash Flood Warnings in 2003
Flash Flood Warning 7, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Mar 20, 2003, 1:10 AM EST for 5 counties in Georgia. It was in force for 3 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
- Mar 20, 2003, 1:10 AM EST (06:10 UTC)
- Expired
- Mar 20, 2003, 4:15 AM EST
- In force
- 3 hr
- Issued by
- NWS Atlanta, GA
- Area
- Counties, with a storm outline in the text
Counties Clayton County, GA, Coweta County, GA, Fayette County, GA, Henry County, GA, Spalding County, GA
The radar
The Atlanta radar (KFFC), 5 km from the middle of the area, began a volume at 06:14 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 00:00Z, 6.2 hours before the alert went out and 2 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
- 753 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 467 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS52 KFFC 200614
FFWATL
GAC063-077-113-151-255-200915-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
110 AM EST THU MAR 20 2003
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CLAYTON COUNTY IN NORTH CENTRAL GEORGIA
FAYETTE COUNTY IN NORTH CENTRAL GEORGIA
HENRY COUNTY IN NORTH CENTRAL GEORGIA
COWETA COUNTY IN WEST CENTRAL GEORGIA
SPALDING COUNTY IN WEST CENTRAL GEORGIA
* UNTIL 415 AM EST
* AT 1259 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED VERY HEAVY RAIN SOUTHWEST OF THE CITY OF ATLANTA
MOVING NORTHEAST AT 30 MPH. THIS AREA OF HEAVY RAIN WILL
MOVE ACROSS AREAS THAT RECEIVED HEAVY RAIN EARLIER IN THE NIGHT.
* OTHER LOCATIONS IN THE WARNING INCLUDE GRIFFIN...NEWNAN...
EXPERIMENT...FAYETTEVILLE...HAMPTON...JONESBORO...LAKE CITY...
LOCUST GROVE...MCDONOUGH...MORROW...NEWNAN...PEACHTREE CITY
...RIVERDALE...SENOIA...STOCKBRIDGE AND TYRONE.
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. TWO FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES...
INCLUDING SUVS AND PICKUPS. VEHICHLES CAUGHT IN RISING WATER SHOULD
BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
LAT...LON 3339 8491 3321 8479 3322 8420 3343 8401
3365 8425
$$1 follow-up statement
000
WGUS72 KFFC 200747
FFSATL
GAC063-077-113-151-255-200915-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
248 AM EST THU MAR 20 2003
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CLAYTON...FAYETTE...
HENRY...COWETA...AND SPALDING COUNTIES UNTIL 415 AM EST...
BETWEEN 130 AM AND 230 AM RAIN TAPERED OFF ACROSS THE WARNED
AREA. HOWEVER...WATER WAS STANDING ON MANY ROADS... AND MANY
CREEKS WERE OUT OF THEIR BANKS CAUSING MINOR FLOODING. AT 245 AM
RADAR WAS SHOWING ADDITIONAL RAIN MOVING TOWARD THE WARNED COUNTIES
FROM THE SOUTH. THIS COULD AGGRAVATE THE SITUATION.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. TWO FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES...
INCLUDING SUVS AND PICKUPS. VEHICLES CAUGHT IN RISING WATER SHOULD
BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
LAT...LON 3362 8418 3343 8401 3322 8416 3325 8487
3345 8484
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 7:04 PM EST | Tornado Warning | FFC | Taylor | 41 min |
| Mar 19, 7:12 PM EST | Severe Thunderstorm Warning | FFC | Coweta | 33 min |
| Mar 19, 7:16 PM EST | Severe Thunderstorm Warning | FFC | Crawford | 44 min |
| Mar 19, 7:44 PM EST | Tornado Warning | FFC | Taylor | 31 min |
| Mar 19, 7:49 PM EST | Severe Thunderstorm Warning | FFC | Bibb | 26 min |
| Mar 19, 7:52 PM EST | Severe Thunderstorm Warning | FFC | Twiggs | 23 min |
| Mar 19, 7:54 PM EST | Tornado Warning | FFC | Crawford, Peach | 36 min |
| Mar 19, 7:56 PM EST | Tornado Warning | FFC | Crawford, Peach | 34 min |
| Mar 19, 8:05 PM EST | Severe Thunderstorm Warning | FFC | Bibb | 25 min |
| Mar 19, 8:13 PM EST | Severe Thunderstorm Warning | FFC | Wilkinson | 32 min |
| Mar 19, 8:27 PM EST | Severe Thunderstorm Warning | FFC | Houston | 33 min |
| Mar 19, 8:36 PM EST | Severe Thunderstorm Warning | FFC | Wilkinson | 54 min |
| Mar 19, 8:40 PM EST | Severe Thunderstorm Warning | FFC | Wilkinson | 50 min |
| Mar 19, 8:45 PM EST | Severe Thunderstorm Warning | FFC | Baldwin | 45 min |
| Mar 19, 8:48 PM EST | Severe Thunderstorm Warning | FFC | Twiggs | 27 min |
| Mar 19, 9:10 PM EST | Severe Thunderstorm Warning | FFC | Hancock | 50 min |
| Mar 19, 9:14 PM EST | Severe Thunderstorm Warning | FFC | Twiggs, Wilkinson | 31 min |
| Mar 19, 9:46 PM EST | Severe Thunderstorm Warning | FFC | Washington, Wilkinson | 29 min |
| Mar 19, 10:36 PM EST | Severe Thunderstorm Warning | FFC | Carroll, Haralson | 39 min |
| Mar 19, 11:02 PM EST | Severe Thunderstorm Warning | FFC | Jefferson | 28 min |
| Mar 19, 11:44 PM EST | Severe Thunderstorm Warning | FFC | Coweta | 31 min |
| Mar 19, 11:47 PM EST | Severe Thunderstorm Warning | FFC | Walton | 28 min |
| Mar 19, 11:59 PM EST | Severe Thunderstorm Warning | FFC | Fulton | 31 min |
| Mar 20, 12:05 AM EST | Severe Thunderstorm Warning | FFC | Gwinnett | 25 min |
| Mar 20, 12:12 AM EST | Severe Thunderstorm Warning | FFC | Meriwether | 33 min |
| Mar 20, 12:20 AM EST | Tornado Warning | FFC | Walton | 25 min |
| Mar 20, 12:42 AM EST | Severe Thunderstorm Warning | FFC | Troup | 33 min |
| Mar 20, 12:59 AM EST | Severe Thunderstorm Warning | FFC | Meriwether | 31 min |
| Mar 20, 3:19 AM EST | Flash Flood Warning | FFC | Banks, Barrow, Jackson, Walton | 116 min |
| Mar 20, 4:55 AM EST | Flash Flood Warning | FFC | Clayton, Henry | 3 hr |
| Mar 20, 5:30 AM EST | Flash Flood Warning | FFC | Banks, Barrow, Jackson, Walton | 4 hr |
| Mar 20, 7:07 AM EST | Severe Thunderstorm Warning | FFC | Telfair | 23 min |
| Mar 20, 7:19 AM EST | Flash Flood Warning | FFC | Bleckley, Dodge, Laurens | 4 hr |
| Mar 20, 7:25 AM EST | Flash Flood Warning | FFC | Pulaski | 4 hr |
| Mar 20, 7:29 AM EST | Flash Flood Warning | FFC | Crisp, Dooly, Wilcox | 4 hr |
| Mar 20, 7:29 AM EST | Flash Flood Warning | FFC | Johnson | 4 hr |
| Mar 20, 8:45 AM EST | Flash Flood Warning | FFC | Barrow, Jackson, Walton | 3 hr |
| Mar 20, 9:48 AM EST | Flash Flood Warning | FFC | Barrow, Jackson | 6 hr |
| Mar 20, 2:08 PM EST | Severe Thunderstorm Warning | FFC | Emanuel, Treutlen | 37 min |
| Mar 20, 2:48 PM EST | Severe Thunderstorm Warning | FFC | Emanuel | 27 min |
| Mar 20, 2:52 PM EST | Severe Thunderstorm Warning | FFC | Telfair | 23 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.