Alert archive / Georgia / Flash Flood Warnings in 2015

Flash Flood Warning 11, NWS Atlanta, GA

July 3, 2015Chattooga County, Floyd County, Walker County, Georgia

NWS Atlanta, GA issued this flash flood warning at Jul 3, 2015, 6:27 AM EDT for Chattooga County, Floyd County, Walker 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
Jul 3, 2015, 6:27 AM EDT (10:27 UTC)
Expired
Jul 3, 2015, 12:30 PM EDT
In force
6 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Chattooga County, GA, Floyd County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 89 km from the middle of the area, began a volume at 10:30 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, 10.5 hours before the alert went out and 151 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 00:00Z on 2015-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 740 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2015-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.193958Sfc1 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
740 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1168 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
212 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.

625 
WGUS52 KFFC 031027
FFWFFC
GAC055-115-295-031630-
/O.NEW.KFFC.FF.W.0011.150703T1027Z-150703T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
627 AM EDT FRI JUL 3 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN WALKER COUNTY IN NORTHWESTERN GEORGIA...
  NORTHERN CHATTOOGA COUNTY IN NORTHWESTERN GEORGIA...
  NORTHEASTERN FLOYD COUNTY IN NORTHWESTERN GEORGIA...

* UNTIL 1230 PM EDT FRIDAY
    
* AT 623 AM EDT...DOPPLER RADAR INDICATED A LINE OF SHOWERS AND  
  THUNDERSTORMS PRODUCING HEAVY RAIN AND TRAINING ACROSS THE WARNED 
  AREA. TWO TO THREE INCHES OF RAIN HAVE ALREADY FALLEN...AND 
  ADDITIONAL ONE TO TWO INCHES OVER THE NEXT FEW HOURS ARE POSSIBLE. 
  FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE... 
  TRION...LA FAYETTE...LAKE MARVIN...SUBLIGNA...CENTER 
  POST...SUTTLES MILL AND VILLANOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THOSE IN LOW LYING... FLOOD PRONE AREAS SHOULD MOVE TO HIGHER GROUND 
NOW. ACT QUICKLY TO PROTECT LIFE AND PROPERTY.

REMEMBER... TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED 
ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6 OR TWEET US YOUR WARNING AT
NWSATLANTA.

&&

LAT...LON 3468 8546 3468 8505 3462 8505 3461 8506
      3454 8506 3454 8509 3450 8509 3451 8547

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 8:01 PM EDTSpecial Weather StatementFFCCatoosa29 min
Jul 3, 1:48 AM EDTSpecial Weather StatementFFCButts, Jasper27 min
Jul 3, 1:50 AM EDTSpecial Weather StatementFFCPutnam25 min
Jul 3, 2:05 AM EDTSpecial Weather StatementFFCHancock40 min
Jul 3, 2:54 AM EDTSpecial Weather StatementFFCGlascock, Hancock, Jefferson, Putnam36 min
Jul 3, 2:58 AM EDTSpecial Weather StatementFFCGordon47 min
Jul 3, 3:42 AM EDTSpecial Weather StatementFFCJefferson33 min
Jul 3, 4:58 AM EDTSpecial Weather StatementFFCPutnam32 min
Jul 3, 6:06 AM EDTSpecial Weather StatementFFCBartow, Floyd39 min
Jul 3, 6:10 AM EDTSpecial Weather StatementFFCHancock, Warren50 min
Jul 3, 8:18 AM EDTFlash Flood WarningFFCCherokee, Forsyth, Fulton, Gwinnett, Hall6 hr
Jul 3, 8:41 AM EDTFlash Flood WarningFFCClarke, Jackson, Madison, Oglethorpe6 hr
Jul 3, 8:56 AM EDTSpecial Weather StatementFFCCarroll34 min
Jul 3, 9:17 AM EDTSpecial Weather StatementFFCClayton, DeKalb, Fulton28 min
Jul 3, 9:31 AM EDTSevere Thunderstorm WarningFFCCarroll, Coweta, Fayette, Fulton, Heard44 min
Jul 3, 9:49 AM EDTSpecial Weather StatementFFCClayton, Henry, Newton, Rockdale, Walton26 min
Jul 3, 10:07 AM EDTSevere Thunderstorm WarningFFCButts, Clayton, Fayette, Henry, Jasper, Lamar and 4 more38 min
Jul 3, 10:15 AM EDTFlash Flood WatchFFCBanks, Barrow, Bartow, Carroll, Catoosa, Chattooga and 39 more52 hr
Jul 3, 10:19 AM EDTSpecial Weather StatementFFCLamar, Pike56 min
Jul 3, 10:21 AM EDTSpecial Weather StatementFFCMorgan, Oconee24 min
Jul 3, 10:47 AM EDTSevere Thunderstorm WarningFFCBaldwin, Butts, Greene, Hancock, Jasper, Jones and 3 more43 min
Jul 3, 10:49 AM EDTSpecial Weather StatementFFCGreene, Taliaferro, Wilkes41 min
Jul 3, 11:14 AM EDTSpecial Weather StatementFFCBibb, Lamar, Monroe31 min
Jul 3, 11:28 AM EDTSevere Thunderstorm WarningFFCBaldwin, Hancock, Jones, Monroe, Twiggs, Washington and 1 more47 min
Jul 3, 11:32 AM EDTSpecial Weather StatementFFCGlascock, Taliaferro, Warren28 min
Jul 3, 11:59 AM EDTSpecial Weather StatementFFCGlascock46 min
Jul 3, 12:15 PM EDTSpecial Weather StatementFFCJefferson, Washington30 min
Jul 3, 12:22 PM EDTSpecial Weather StatementFFCJasper, Jones, Lamar, Monroe38 min
Jul 3, 12:45 PM EDTSpecial Weather StatementFFCJefferson30 min
Jul 3, 12:56 PM EDTSpecial Weather StatementFFCBaldwin, Hancock, Jones34 min
Jul 3, 1:13 PM EDTSpecial Weather StatementFFCEmanuel32 min
Jul 3, 1:16 PM EDTRiver Flood WarningFFCForsyth7 days
Jul 3, 1:16 PM EDTRiver Flood WarningFFCForsyth, Fulton25 hr
Jul 3, 2:09 PM EDTSpecial Weather StatementFFCJohnson36 min
Jul 3, 6:39 PM EDTSpecial Weather StatementFFCStewart36 min
Jul 3, 6:56 PM EDTSpecial Weather StatementFFCWebster34 min

Nearby

Flash Flood Warnings in Georgia, 2015Every flash flood warning in 2015

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.