Alert archive / Georgia / Flash Flood Warnings in 2005

Flash Flood Warning 18, NWS Atlanta, GA

July 3, 2005Murray County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jul 3, 2005, 4:49 PM EDT for Murray County, Georgia. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 3, 2005, 4:49 PM EDT (20:49 UTC)
Expired: Jul 3, 2005, 8:00 PM EDT
In force: 3 hr
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Murray County, GA

The radar

The Northeast Alabama radar (KHTX), 125 km from the middle of the area, began a volume at 20:50 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.

What was reported inside it

Time	Report	Where	Remark
Jul 3, 5:45 PM EDT	FLASH FLOOD	3 E Crandall, GA	MILL CREEK ROAD FLOODED BY CREEK.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.8 hours before the alert went out and 173 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: 686 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 953 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 51 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 032054
FFWFFC
GAC213-040000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
449 PM EDT SUN JUL 3 2005

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN MURRAY COUNTY IN NORTHWEST GEORGIA

* UNTIL 800 PM EDT

* AT 448 PM EDT...VERY HEAVY RAIN WAS REPORTED FROM A                
  THUNDERSTORM NEAR GREGORY...OR NEAR BOGDEN AND PERRY CREEKS...     
  MOVING EAST AT 10 MPH.

* A SECOND THUNDERSTORM PRODUCING VERY HEAVY RAIN WILL MOVE          
  NORTHEAST ACROSS WESTERN MURRAY COUNTY OVER THE NEXT SEVERAL       
  HOURS.  

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE 
WARNING AREA THROUGH 7 PM.

LAT...LON 3491 8463 3489 8462 3487 8463 3486 8480
      3487 8481 3495 8482 3499 8480 3499 8463

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
Jul 3, 1:44 PM EDT	Severe Thunderstorm Warning	FFC	Fulton	46 min
Jul 3, 2:15 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb	31 min
Jul 3, 6:54 PM EDT	Severe Thunderstorm Warning	FFC	Jasper	51 min

Nearby

Flash Flood Warnings in Georgia, 2005 Every flash flood warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.