Alert archive / Georgia / Flash Flood Warnings in 2014

Flash Flood Warning 41, NWS Atlanta, GA

December 24, 2014Crisp County, Georgia

NWS Atlanta, GA issued this flash flood warning at Dec 24, 2014, 7:44 AM EST for Crisp County, Georgia. It was in force for 4 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
Dec 24, 2014, 7:44 AM EST (12:44 UTC)
Expired
Dec 24, 2014, 11:30 AM EST
In force
4 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

County Crisp County, GA

The radar

The Robins AFB radar (KJGX), 101 km from the middle of the area, began a volume at 12:48 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

TimeReportWhereRemark
Dec 24, 7:45 AM ESTFLASH FLOODCordele, GAEMERGENCY MANAGER REPORTS MANY ROADS INUNDATED WITH WATER...AND SEVERAL CARS STRANDED ON THOSE ROADS.

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 0.7 hours before the alert went out and 169 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, Tallahassee Rgnl, FL at 12:00Z on 2014-12-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1288 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, Tallahassee Rgnl, FL at 12:00Z on 2014-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 334 square meters per square second.1939587897Sfc1 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
1288 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
500 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
334 m²/s²
0-3 km storm-relative helicity
344 m²/s²
Significant tornado parameter
3.0
Supercell composite
11.7

Open this sounding in Storm Lab

The text

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

384 
WGUS52 KFFC 241244
FFWFFC
GAC081-241630-
/O.NEW.KFFC.FF.W.0041.141224T1244Z-141224T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
744 AM EST WED DEC 24 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

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

* UNTIL 1130 AM EST

* AT 733 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE 
  ALREADY FALLEN OVERNIGHT AND FLOODING IS OCCURRING. 

HEAVY RAINFALL OVERNIGHT AND THIS MORNING HAS RESULTED IN PONDING OF 
WATER ACROSS MUCH OF THE COUNTY... TO INCLUDE THE DRAYTON AREA. 
PONDING OF WATER ACROSS NUMEROUS ROADS HAS BEEN REPORTED... MAKING 
TRAVEL DIFFICULT AND DANGEROUS. ANOTHER INCH OF RAINFALL IS POSSIBLE 
THROUGH 11 AM THIS MORNING... AND THEREFORE CONDITIONS MAY BE SLOW 
TO IMPROVE.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER... DO NOT ATTEMPT TO CROSS WATER COVERED ROADS OR WALKWAYS. 
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 3181 8383 3183 8384 3182 8386 3184 8386
      3185 8394 3186 8394 3186 8393 3190 8393
      3193 8392 3203 8396 3203 8361 3181 8361
      3180 8375

$$
1 follow-up statement
035 
WGUS72 KFFC 241636
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1136 AM EST WED DEC 24 2014

GAC081-241644-
/O.EXP.KFFC.FF.W.0041.000000T0000Z-141224T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRISP GA-
1136 AM EST WED DEC 24 2014

...THE FLASH FLOOD WARNING FOR CRISP COUNTY HAS EXPIRED...

THE RAIN IS ENDING FROM WEST TO EAST AND FLOOD WATERS ARE BEGINNING 
TO RECED. ALTHOUGH SOME FLOOD PRONE AREAS WILL BE SLOW TO DRAIN 
TODAY... ADDITIONAL FLOODING IS NO LONGER EXPECTED OR TO POSE A 
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD 
CLOSURES.

LAT...LON 3181 8383 3183 8384 3182 8386 3184 8386
      3185 8394 3186 8394 3186 8393 3190 8393
      3193 8392 3203 8396 3203 8361 3181 8361
      3180 8375

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 9:03 PM ESTSpecial Weather StatementFFCBartow, Carroll, Coweta, Douglas, Floyd, Haralson and 3 more42 min
Dec 23, 9:45 PM ESTSpecial Weather StatementFFCCherokee, Clayton, Cobb, Coweta, DeKalb, Douglas and 3 more45 min
Dec 23, 9:57 PM ESTSpecial Weather StatementFFCChattahoochee, Harris, Meriwether, Muscogee, Pike, Spalding and 2 more63 min
Dec 23, 10:00 PM ESTRiver Flood WarningFFCForsyth, Fulton52 hr
Dec 23, 10:30 PM ESTSpecial Weather StatementFFCUpson30 min
Dec 23, 10:39 PM ESTSpecial Weather StatementFFCBarrow, DeKalb, Henry, Newton, Rockdale, Walton36 min
Dec 23, 10:56 PM ESTSpecial Weather StatementFFCStewart, Webster49 min
Dec 23, 11:02 PM ESTSpecial Weather StatementFFCButts, Crawford, Jasper, Lamar, Marion, Monroe and 3 more43 min
Dec 23, 11:57 PM ESTSpecial Weather StatementFFCGreene, Jones, Putnam33 min
Dec 24, 12:12 AM ESTSpecial Weather StatementFFCBibb, Houston, Peach33 min
Dec 24, 12:31 AM ESTSpecial Weather StatementFFCBaldwin, Greene, Hancock, Jones, Putnam, Taliaferro and 1 more29 min
Dec 24, 12:39 AM ESTSpecial Weather StatementFFCBleckley, Houston, Twiggs, Wilkinson51 min
Dec 24, 12:43 AM ESTSpecial Weather StatementFFCDooly, Pulaski47 min
Dec 24, 1:13 AM ESTSpecial Weather StatementFFCGlascock, Warren47 min
Dec 24, 2:14 AM ESTRiver Flood WarningFFCForsyth11 hr
Dec 24, 4:11 AM ESTSpecial Weather StatementFFCCrisp, Dooly49 min
Dec 24, 4:23 AM ESTSpecial Weather StatementFFCBleckley, Houston, Pulaski, Twiggs52 min
Dec 24, 6:36 AM ESTSpecial Weather StatementFFCCrisp, Dooly54 min
Dec 24, 7:19 AM ESTSpecial Weather StatementFFCDodge, Laurens26 min
Dec 24, 10:07 AM ESTRiver Flood WarningFFCDade7 hr
Dec 24, 12:11 PM ESTRiver Flood WarningFFCWhitfield8 hr

Nearby

Flash Flood Warnings in Georgia, 2014Every flash flood warning in 2014

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.