Alert archive / Georgia / Flash Flood Warnings in 2015

Flash Flood Warning 54, NWS Atlanta, GA

December 30, 20159 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at Dec 30, 2015, 12:30 PM EST for 9 counties in Georgia. It was in force for 9 hr. 2 reports 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 30, 2015, 12:30 PM EST (17:30 UTC)
Expired
Dec 30, 2015, 9:30 PM EST
In force
9 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Chattahoochee County, GA, Harris County, GA, Meriwether County, GA, Muscogee County, GA, Pike County, GA, Talbot County, GA, Taylor County, GA, Troup County, GA, Upson County, GA

The radar

The Atlanta radar (KFFC), 61 km from the middle of the area, began a volume at 17:31 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 30, 5:30 PM ESTFLASH FLOOD5 Nw Thomaston, GASEVERAL ROADS CLOSED IN UPSON COUNTY...GOSHEN AT W. GORDON SCHOOL..SHIELDS DR AT CAREY DR...AND TRIUNE MILL ROAD AT GLENDALE RD.
Dec 30, 6:18 PM ESTFLASH FLOODRehobeth, GAUS 27 AT HARRIS DRIVE WASHED OUT UNDERNEATH FROM CULVERT

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 5.5 hours before the alert went out and 204 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 12:00Z on 2015-12-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2015-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
644 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
170 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.

354 
WGUS52 KFFC 301730
FFWFFC
GAC053-145-199-215-231-263-269-285-293-302330-
/O.NEW.KFFC.FF.W.0054.151230T1730Z-151230T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1230 PM EST WED DEC 30 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HARRIS COUNTY IN WEST CENTRAL GEORGIA...
  PIKE COUNTY IN WEST CENTRAL GEORGIA...
  NORTHWESTERN TAYLOR COUNTY IN WEST CENTRAL GEORGIA...
  UPSON COUNTY IN WEST CENTRAL GEORGIA...
  TROUP COUNTY IN WEST CENTRAL GEORGIA...
  MERIWETHER COUNTY IN WEST CENTRAL GEORGIA...
  CHATTAHOOCHEE COUNTY IN WEST CENTRAL GEORGIA...
  TALBOT COUNTY IN WEST CENTRAL GEORGIA...
  MUSCOGEE COUNTY IN WEST CENTRAL GEORGIA...

* UNTIL 630 PM EST WEDNESDAY
    
* AT 1226 PM EST...DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF
  RAIN HAVE ALREADY FALLEN ACROSS A BROAD PORTION OF THE WARNED AREA
  SINCE THIS MORNING. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LAGRANGE...THOMASTON...ZEBULON...HAMILTON...TALBOTTON...
  GREENVILLE...CUSSETA...MANCHESTER...WEST POINT...HOGANSVILLE...PINE
  MOUNTAIN...WOODBURY...LUTHERSVILLE...WAVERLY HALL...WARM SPRINGS...
  WOODLAND...MOLENA...YATESVILLE...WILLIAMSON AND MEANSVILLE.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA THIS AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3322 8494 3319 8486 3322 8451 3319 8450
      3321 8440 3319 8425 3299 8427 3299 8412
      3280 8412 3269 8420 3274 8429 3256 8441
      3253 8464 3223 8466 3223 8491 3226 8489
      3235 8500 3243 8496 3286 8519 3313 8524

$$
3 follow-up statements
853 
WGUS72 KFFC 302112
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
412 PM EST WED DEC 30 2015

GAC053-145-199-215-231-263-269-285-293-302330-
/O.CON.KFFC.FF.W.0054.000000T0000Z-151230T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARRIS GA-PIKE GA-TAYLOR GA-UPSON GA-TROUP GA-MERIWETHER GA-
CHATTAHOOCHEE GA-TALBOT GA-MUSCOGEE GA-
412 PM EST WED DEC 30 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM EST
WEDNESDAY FOR HARRIS...PIKE...NORTHWESTERN TAYLOR...UPSON...TROUP...
MERIWETHER...CHATTAHOOCHEE...TALBOT AND MUSCOGEE COUNTIES...

AT 409 PM EST...PUBLIC SAFETY OFFICIALS ARE REPORTING FLOODING FROM
HEAVY RAINS ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN SINCE LATE THIS MORNING.  FLASH FLOODING IS ALREADY
OCCURING ACROSS PORTIONS OF THE WARNED AREA.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LAGRANGE...THOMASTON...ZEBULON...HAMILTON...TALBOTTON...GREENVILLE...
CUSSETA...MANCHESTER...WEST POINT...HOGANSVILLE...PINE MOUNTAIN...
WOODBURY...LUTHERSVILLE...WAVERLY HALL...WARM SPRINGS...WOODLAND...
MOLENA...YATESVILLE...WILLIAMSON AND MEANSVILLE.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 1 AND HALF INCHES ARE POSSIBLE
IN THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 REPORT AT
NWSATLANTA.

&&

LAT...LON 3322 8494 3319 8486 3322 8451 3319 8450
      3321 8440 3319 8425 3299 8427 3299 8412
      3280 8412 3269 8420 3274 8429 3256 8441
      3253 8464 3223 8466 3223 8491 3226 8489
      3235 8500 3243 8496 3286 8519 3313 8524

$$
747 
WGUS52 KFFC 302313
FFWFFC
GAC053-145-199-215-231-263-269-285-293-310230-
/O.EXT.KFFC.FF.W.0054.000000T0000Z-151231T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
613 PM EST WED DEC 30 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  HARRIS COUNTY IN WEST CENTRAL GEORGIA...
  PIKE COUNTY IN WEST CENTRAL GEORGIA...
  NORTHWESTERN TAYLOR COUNTY IN WEST CENTRAL GEORGIA...
  UPSON COUNTY IN WEST CENTRAL GEORGIA...
  TROUP COUNTY IN WEST CENTRAL GEORGIA...
  MERIWETHER COUNTY IN WEST CENTRAL GEORGIA...
  CHATTAHOOCHEE COUNTY IN WEST CENTRAL GEORGIA...
  TALBOT COUNTY IN WEST CENTRAL GEORGIA...
  MUSCOGEE COUNTY IN WEST CENTRAL GEORGIA...

* UNTIL 930 PM EST

* AT 611 PM EST...DOPPLER RADAR INDICATED MODERATE TO HEAVY RAINFALL
  MOVING BACK ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS ALREADY BEING REPORTED ACROSS
  PORTIONS OF THE WARNED AREA.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LAGRANGE...THOMASTON...ZEBULON...HAMILTON...TALBOTTON...
  GREENVILLE...CUSSETA...MANCHESTER...WEST POINT...HOGANSVILLE...PINE
  MOUNTAIN...WOODBURY...LUTHERSVILLE...WAVERLY HALL...WARM SPRINGS...
  WOODLAND...MOLENA...YATESVILLE...WILLIAMSON AND MEANSVILLE.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 1 AND A HALF INCHES ARE POSSIBLE
IN THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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 3322 8494 3319 8486 3322 8451 3319 8450
      3321 8440 3319 8425 3299 8427 3299 8412
      3280 8412 3269 8420 3274 8429 3256 8441
      3253 8464 3223 8466 3223 8491 3226 8489
      3235 8500 3243 8496 3286 8519 3313 8524

$$
721 
WGUS72 KFFC 310224
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
924 PM EST WED DEC 30 2015

GAC053-145-199-215-231-263-269-285-293-310234-
/O.EXP.KFFC.FF.W.0054.000000T0000Z-151231T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARRIS GA-PIKE GA-TAYLOR GA-UPSON GA-TROUP GA-MERIWETHER GA-
CHATTAHOOCHEE GA-TALBOT GA-MUSCOGEE GA-
924 PM EST WED DEC 30 2015

...THE FLASH FLOOD WARNING FOR HARRIS...PIKE...NORTHWESTERN TAYLOR...
UPSON...TROUP...MERIWETHER...CHATTAHOOCHEE...TALBOT AND MUSCOGEE
COUNTIES WILL EXPIRE AT 930 PM EST...

THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT.

LAT...LON 3322 8494 3319 8486 3322 8451 3319 8450
      3321 8440 3319 8425 3299 8427 3299 8412
      3280 8412 3269 8420 3274 8429 3256 8441
      3253 8464 3223 8466 3223 8491 3226 8489
      3235 8500 3243 8496 3286 8519 3313 8524

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 7:53 PM ESTRiver Flood WarningFFCClayton, Fayette, Spalding15 hr
Dec 29, 8:33 PM ESTRiver Flood WarningFFCDeKalb, Rockdale49 hr
Dec 29, 10:07 PM ESTRiver Flood WarningFFCFayette, Spalding3 days
Dec 30, 6:15 AM ESTSpecial Weather StatementFFCTroup45 min
Dec 30, 7:29 AM ESTFlash Flood WarningFFCBarrow, Cobb, DeKalb, Douglas, Forsyth, Fulton and 1 more6 hr
Dec 30, 8:23 AM ESTFlash Flood WarningFFCBanks, Bartow, Cherokee, Cobb, Dawson, Forsyth and 7 more6 hr
Dec 30, 10:51 AM ESTRiver Flood WarningFFCWashington, Wilkinson51 hr
Dec 30, 10:51 AM ESTRiver Flood WarningFFCForsyth19 hr
Dec 30, 10:51 AM ESTRiver Flood WarningFFCNewton3 days
Dec 30, 11:35 AM ESTSpecial Weather StatementFFCLamar, Upson25 min
Dec 30, 11:49 AM ESTSpecial Weather StatementFFCJasper26 min
Dec 30, 12:05 PM ESTFlash Flood WarningFFCGreene, Morgan, Oconee, Oglethorpe, Wilkes10 hr
Dec 30, 12:37 PM ESTRiver Flood WarningFFCFayette34 hr
Dec 30, 12:41 PM ESTSpecial Weather StatementFFCButts, Henry, Jasper, Lamar, Monroe, Newton and 3 more94 min
Dec 30, 12:50 PM ESTFlash Flood WarningFFCButts, Clayton, Coweta, Fayette, Henry, Jasper and 6 more9 hr
Dec 30, 1:19 PM ESTFlash Flood WarningFFCBarrow, Clarke, Jackson, Madison, Oconee, Oglethorpe6 hr
Dec 30, 2:38 PM ESTRiver Flood WarningFFCMorgan, Newton24 hr
Dec 30, 2:38 PM ESTRiver Flood WarningFFCBarrow, Jackson22 hr
Dec 30, 3:17 PM ESTRiver Flood WarningFFCClayton, Fayette, Spalding32 hr
Dec 30, 3:17 PM ESTRiver Flood WarningFFCCoweta, Fayette, Spalding26 hr
Dec 30, 3:17 PM ESTRiver Flood WarningFFCNewton8 days
Dec 30, 3:35 PM ESTRiver Flood WarningFFCTroup27 hr
Dec 30, 4:03 PM ESTRiver Flood WarningFFCNewton, Rockdale24 hr
Dec 30, 4:46 PM ESTFlash Flood WarningFFCGlascock, Greene, Hancock, Putnam, Taliaferro, Warren and 2 more6 hr
Dec 30, 5:40 PM ESTFlash Flood WarningFFCMacon, Marion, Schley, Stewart, Sumter, Taylor and 1 more6 hr
Dec 30, 5:52 PM ESTRiver Flood WarningFFCNewton, Walton24 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.