Alert archive / Georgia / Flash Flood Warnings in 2006

Flash Flood Warning 6, NWS Atlanta, GA

March 21, 2006Jones County, Georgia

NWS Atlanta, GA issued this flash flood warning at Mar 21, 2006, 8:14 AM EST for Jones 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 21, 2006, 8:14 AM EST (13:14 UTC)
Expired: Mar 21, 2006, 11:00 AM EST
In force: 3 hr
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Jones County, GA

The radar

The Robins AFB radar (KJGX), 50 km from the middle of the area, began a volume at 13:14 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 12:00Z, 1.2 hours before the alert went out and 90 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 469 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 240 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 211314
FFWFFC
GAC169-211600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
814 AM EST TUE MAR 21 2006

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JONES COUNTY IN CENTRAL GEORGIA

* UNTIL 1100 AM EST

* AT 814 AM EST...VERY HEAVY RAINFALL OF 2 TO 4 INCHES THAT FELL
  OVERNIGHT OVER NORTH AND CENTRAL JONES COUNTY HAS RESULTED IN
  RISING WATERS IN AND AROUND FALLING CREEK NEAR JULIETTE. LATEST
  RIVER GAGES HAVE INDICATED THE WATERS HAVE RISEN TO JUST OVER 14
  FEET...WHICH IS ABOUT A FOOT ABOVE FLOOD STAGE.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  EAST JULIETTE.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL OVERNIGHT WILL CONTINUE TO 
CAUSE FLOODING OF SMALL CREEKS AND STREAMS ACROSS NORTH JONES COUNTY 
FOR THE NEXT FEW HOURS. THE RAINS HAVE ENDED...SO THE FLOOD WATERS 
ARE EXPECTED TO BEGIN SUBSIDING BY 11 AM EST.  

REMEMBER...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.

LAT...LON 3312 8372 3296 8367 3302 8343 3315 8343

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 20, 8:20 PM EST	Severe Thunderstorm Warning	FFC	Harris, Troup	55 min
Mar 20, 8:48 PM EST	Severe Thunderstorm Warning	FFC	Meriwether	57 min
Mar 20, 9:07 PM EST	Severe Thunderstorm Warning	FFC	Harris, Muscogee	53 min
Mar 20, 9:28 PM EST	Tornado Warning	FFC	Chattahoochee	29 min
Mar 20, 9:45 PM EST	Tornado Warning	FFC	Marion	45 min
Mar 20, 10:00 PM EST	Severe Thunderstorm Warning	FFC	Schley, Taylor	24 min
Mar 20, 10:11 PM EST	Severe Thunderstorm Warning	FFC	Macon	17 min
Mar 20, 10:44 PM EST	Flash Flood Warning	FFC	Fulton, Gwinnett	4 hr
Mar 21, 1:24 AM EST	Severe Thunderstorm Warning	FFC	Harris	21 min
Mar 21, 2:53 AM EST	Severe Thunderstorm Warning	FFC	Jasper, Jones, Putnam	37 min
Mar 21, 3:12 AM EST	Severe Thunderstorm Warning	FFC	Baldwin	18 min
Mar 21, 3:33 AM EST	Flash Flood Warning	FFC	Harris	4 hr
Mar 21, 6:34 AM EST	Flash Flood Warning	FFC	Jones	86 min

Nearby

Flash Flood Warnings in Georgia, 2006 Every flash flood warning in 2006

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.