Alert archive / Georgia / Flash Flood Warnings in 2003
Flash Flood Warning 9, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Mar 20, 2003, 4:55 AM EST for Clayton County, Henry County, 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, 4:55 AM EST (09:55 UTC)
- Expired
- Mar 20, 2003, 8:00 AM EST
- In force
- 3 hr
- Issued by
- NWS Atlanta, GA
- Area
- Counties, with a storm outline in the text
Counties Clayton County, GA, Henry County, GA
The radar
The Atlanta radar (KFFC), 39 km from the middle of the area, began a volume at 09:58 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, 9.9 hours before the alert went out and 33 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 200956
FFWATL
GAC063-151-201300-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
455 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
HENRY COUNTY IN NORTH CENTRAL GEORGIA
* UNTIL 800 AM EST
* VERY HEAVY RAIN FELL OVERNIGHT IN CLAYTON AND HENRY COUNTIES...AND
LIGHT TO OCCASSIONALLY MODERATE RAIN CONTINUES IN THESE AREAS
EARLY THIS MORNING. UPPER RIVERDALE ROAD NEAR SOUTHERN REGIONAL
HOSPITAL WAS CLOSED BY HIGH WATER IN RIVERDALE. PINEHURST TO
VALLEY ROAD AND OLD CONYERS ROAD IN THE STOCKBRIDGE AREA ARE ALSO
CLOSED BY HIGH WATER.
* OTHER LOCATIONS IN THE WARNING INCLUDE BLACKSVILLE...BONANZA...
CONLEY...FOREST PARK...IRONDALE...JONESBORO...LAKE CITY...LOCUST
GROVE...LOVEJOY...MCDONOUGH...MORROW...RIVERDALE AND STOCKBRIDGE.
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.
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 3345 8393 3340 8397 3330 8411 3336 8424
3336 8437 3348 8437 3356 8445 3364 8445
3364 8419 3356 8413 3349 8402 3349 8396
$$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, 1:10 AM EST | Flash Flood Warning | FFC | Clayton, Coweta, Fayette, Henry, Spalding | 3 hr |
| Mar 20, 3:19 AM EST | Flash Flood Warning | FFC | Banks, Barrow, Jackson, Walton | 116 min |
| 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.