Alert archive / Georgia / Flash Flood Warnings in 2005

Flash Flood Warning 24, NWS Atlanta, GA

July 9, 2005DeKalb County, Fulton County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jul 9, 2005, 8:08 PM EDT for DeKalb County, Fulton 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
Jul 9, 2005, 8:08 PM EDT (00:08 UTC)
Expired
Jul 9, 2005, 11:00 PM EDT
In force
3 hr
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

Counties DeKalb County, GA, Fulton County, GA

The radar

The Atlanta radar (KFFC), 60 km from the middle of the area, began a volume at 00:10 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

Birmingham, AL (KBMX), launched 00:00Z, 0.1 hours before the alert went out and 236 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, Birmingham, AL at 00:00Z on 2005-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 585 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2005-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 square meters per square second.1939Sfc1 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
585 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
861 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
-25 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 100010
FFWFFC
GAC089-121-100608-


BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
808 PM EDT SAT JUL 09 2005

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR NANCY CREEK IN...
  FULTON COUNTY IN NORTH CENTRAL GEORGIA
  DEKALB COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 1100 PM EDT

* NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERAL INCHES OF
  RAIN HAS FALLEN OVER NANCY CREEK IN THE LAST FEW HOURS.

* FOR THE NANCY CREEK NEAR ATLANTA...
   MINOR FLOODING IS FORECAST.
  THE LATEST STAGE WAS 8.6 FEET AT 8 PM SATURDAY.
  FLOOD STAGE IS 11.0 FEET.
   THE FORECAST FOR THE NANCY CREEK NEAR ATLANTA... 
      THE CREEK WILL RISE ABOVE FLOOD STAGE AROUND 9 PM SATURDAY.
      THE CREEK WILL CREST NEAR 11.5 FEET AROUND 930 PM SATURDAY.
      THE CREEK WILL FALL BELOW FLOOD STAGE AROUND 11 PM SATURDAY.


DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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 
SPORT UTILITY VEHICLES AND PICKUPS. VEHICLES CAUGHT IN RISING WATER 
SHOULD BE ABANDONED QUICKLY. MOVE TO HIGH GROUND.



A FLASH FLOOD WARNING MEANS THAT SIGNIFICANT FLOODING OF STREAMS...
CREEKS...AND ROADS IS EXPECTED. THIS MAY CAUSE SOME MODERATE TO MAJOR
INCONVENIENCES TO THE PUBLIC...AND PROPERTY DAMAGE OR THREAT TO LIFE 
IS ELEVATED.



YOU CAN REPORT SERIOUS FLOODING TO THE NATIONAL WEATHER SERVICE BY 
CALLING TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.



LAT...LON 3386 8446 3383 8442 3391 8425 3395 8429




$$
1 follow-up statement
000 
WGUS72 KFFC 100135
FFSFFC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
933 PM EDT SAT JUL 09 2005


GAC089-121-100333-
933 PM EDT SAT JUL 09 2005

...FLASH FLOOD WARNING HAS BEEN CANCELLED FOR THE NANCY CREEK...

FOR THE NANCY CREEK NEAR ATLANTA...
   FLOODING IS NO LONGER EXPECTED.
   THE LATEST STAGE WAS 7.1 FEET AT 9 PM SATURDAY.
   THE CREEK CRESTED AT 8.7 FEET AROUND 8 PM SATURDAY.
   THE FORECAST FOR THE NANCY CREEK NEAR ATLANTA...
          THE CREEK WILL REMAIN BELOW FLOOD STAGE.



$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 2:31 PM EDTSevere Thunderstorm WarningFFCJones, Monroe29 min
Jul 10, 2:53 PM EDTSevere Thunderstorm WarningFFCLamar, Spalding47 min
Jul 10, 2:56 PM EDTSevere Thunderstorm WarningFFCButts, Monroe49 min
Jul 10, 3:03 PM EDTTornado WarningFFCButts, Monroe31 min
Jul 10, 3:21 PM EDTSevere Thunderstorm WarningFFCJasper, Putnam39 min
Jul 10, 3:30 PM EDTSevere Thunderstorm WarningFFCButts, Henry45 min
Jul 10, 5:32 PM EDTTornado WarningFFCRockdale13 min
Jul 10, 5:41 PM EDTTornado WarningFFCDeKalb29 min
Jul 10, 6:03 PM EDTTornado WarningFFCFulton27 min
Jul 10, 6:20 PM EDTSevere Thunderstorm WarningFFCCobb25 min
Jul 10, 7:17 PM EDTFlash Flood WarningFFCFulton103 min

Nearby

Flash Flood Warnings in Georgia, 2005Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.