Alert archive / Georgia / Flash Flood Warnings in 2003

Flash Flood Warning 16, NWS Atlanta, GA

March 20, 2003Barrow County, Jackson County, Georgia

NWS Atlanta, GA issued this flash flood warning at Mar 20, 2003, 9:48 AM EST for Barrow County, Jackson 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
Mar 20, 2003, 9:48 AM EST (14:48 UTC)
Expired
Mar 20, 2003, 3:45 PM EST
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

Counties Barrow County, GA, Jackson County, GA

The radar

The Atlanta radar (KFFC), 113 km from the middle of the area, began a volume at 14:47 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, 2.8 hours before the alert went out and 109 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2003-03-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2003-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
474 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS52 KFFC 201457
FFWATL
GAC013-157-202045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
948 AM EST THU MAR 20 2003

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BARROW COUNTY IN NORTH CENTRAL GEORGIA
  JACKSON COUNTY IN NORTHEAST GEORGIA

* UNTIL 345 PM EST

* FOR THE MIDDLE OCONEE RIVER NEAR ARCADE...THE RIVER WAS NEAR 17 
FEET AT 9 AM THURSDAY. FLOOD STAGE IS 16 FEET. THE RIVER IS FORECAST 
TO CONTINUE A RAPID RISE UNTIL THURSDAY AFTERNOON. THE RIVER SHOULD 
CREST BETWEEN 20 AND 21 FEET THURSDAY EVENING. MODERATE FLOODING 
BEGINS AT 18 FEET AND MAJOR FLOODING BEGINS AT 22 FEET. THE RIVER IS 
NOT FORECAST TO FALL BELOW FLOOD UNTIL FRIDAY.

THIS IS A DANGEROUS SITUATION. IF YOU LIVE NEAR THE RIVER...PLEASE 
MOVE TO HIGHER GROUND NOW.

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 3400 8383 3394 8365 3410 8341 3425 8362

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 7:04 PM ESTTornado WarningFFCTaylor41 min
Mar 19, 7:12 PM ESTSevere Thunderstorm WarningFFCCoweta33 min
Mar 19, 7:16 PM ESTSevere Thunderstorm WarningFFCCrawford44 min
Mar 19, 7:44 PM ESTTornado WarningFFCTaylor31 min
Mar 19, 7:49 PM ESTSevere Thunderstorm WarningFFCBibb26 min
Mar 19, 7:52 PM ESTSevere Thunderstorm WarningFFCTwiggs23 min
Mar 19, 7:54 PM ESTTornado WarningFFCCrawford, Peach36 min
Mar 19, 7:56 PM ESTTornado WarningFFCCrawford, Peach34 min
Mar 19, 8:05 PM ESTSevere Thunderstorm WarningFFCBibb25 min
Mar 19, 8:13 PM ESTSevere Thunderstorm WarningFFCWilkinson32 min
Mar 19, 8:27 PM ESTSevere Thunderstorm WarningFFCHouston33 min
Mar 19, 8:36 PM ESTSevere Thunderstorm WarningFFCWilkinson54 min
Mar 19, 8:40 PM ESTSevere Thunderstorm WarningFFCWilkinson50 min
Mar 19, 8:45 PM ESTSevere Thunderstorm WarningFFCBaldwin45 min
Mar 19, 8:48 PM ESTSevere Thunderstorm WarningFFCTwiggs27 min
Mar 19, 9:10 PM ESTSevere Thunderstorm WarningFFCHancock50 min
Mar 19, 9:14 PM ESTSevere Thunderstorm WarningFFCTwiggs, Wilkinson31 min
Mar 19, 9:46 PM ESTSevere Thunderstorm WarningFFCWashington, Wilkinson29 min
Mar 19, 10:36 PM ESTSevere Thunderstorm WarningFFCCarroll, Haralson39 min
Mar 19, 11:02 PM ESTSevere Thunderstorm WarningFFCJefferson28 min
Mar 19, 11:44 PM ESTSevere Thunderstorm WarningFFCCoweta31 min
Mar 19, 11:47 PM ESTSevere Thunderstorm WarningFFCWalton28 min
Mar 19, 11:59 PM ESTSevere Thunderstorm WarningFFCFulton31 min
Mar 20, 12:05 AM ESTSevere Thunderstorm WarningFFCGwinnett25 min
Mar 20, 12:12 AM ESTSevere Thunderstorm WarningFFCMeriwether33 min
Mar 20, 12:20 AM ESTTornado WarningFFCWalton25 min
Mar 20, 12:42 AM ESTSevere Thunderstorm WarningFFCTroup33 min
Mar 20, 12:59 AM ESTSevere Thunderstorm WarningFFCMeriwether31 min
Mar 20, 1:10 AM ESTFlash Flood WarningFFCClayton, Coweta, Fayette, Henry, Spalding3 hr
Mar 20, 3:19 AM ESTFlash Flood WarningFFCBanks, Barrow, Jackson, Walton116 min
Mar 20, 4:55 AM ESTFlash Flood WarningFFCClayton, Henry3 hr
Mar 20, 5:30 AM ESTFlash Flood WarningFFCBanks, Barrow, Jackson, Walton4 hr
Mar 20, 7:07 AM ESTSevere Thunderstorm WarningFFCTelfair23 min
Mar 20, 7:19 AM ESTFlash Flood WarningFFCBleckley, Dodge, Laurens4 hr
Mar 20, 7:25 AM ESTFlash Flood WarningFFCPulaski4 hr
Mar 20, 7:29 AM ESTFlash Flood WarningFFCCrisp, Dooly, Wilcox4 hr
Mar 20, 7:29 AM ESTFlash Flood WarningFFCJohnson4 hr
Mar 20, 8:45 AM ESTFlash Flood WarningFFCBarrow, Jackson, Walton3 hr
Mar 20, 2:08 PM ESTSevere Thunderstorm WarningFFCEmanuel, Treutlen37 min
Mar 20, 2:48 PM ESTSevere Thunderstorm WarningFFCEmanuel27 min
Mar 20, 2:52 PM ESTSevere Thunderstorm WarningFFCTelfair23 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.