Alert archive / Georgia / Flash Flood Warnings in 2015

Flash Flood Warning 55, NWS Atlanta, GA

December 30, 201512 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at Dec 30, 2015, 12:50 PM EST for 12 counties in Georgia. It was in force for 9 hr. 7 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, 12:50 PM EST (17:50 UTC)
Expired
Dec 30, 2015, 9:45 PM EST
In force
9 hr
Issued by
NWS Atlanta, GA
Area
Storm-based polygon
Flood severity
None

Counties Butts County, GA, Clayton County, GA, Coweta County, GA, Fayette County, GA, Henry County, GA, Jasper County, GA, Lamar County, GA, Monroe County, GA, Newton County, GA, Rockdale County, GA, Spalding County, GA, Walton County, GA

The radar

The Atlanta radar (KFFC), 49 km from the middle of the area, began a volume at 17:54 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, 12:55 PM ESTFLASH FLOODCovington, GASHOPPING CENTER FLOODED ALONG DRIED INDIAN CREEK IN COVINGTON OFF US HWY 278
Dec 30, 2:30 PM ESTFLASH FLOOD2 Se Peachtree City, GASEVERAL ROADS CLOSED DUE TO FLOODING. CANTERBURY LANE...RISING STAR RD AT BROOKSWOOLSEY...MCBRIDE ROAD...MORGAN ROAD...AND QUARTERS ROAD.
Dec 30, 2:47 PM ESTFLASH FLOODConyers, GAMULTIPLE STREETS ARE REPORTED CLOSED DUE TO HIGH WATER. ROCKRIDGE ROAD AT LAKE CAPRI.-BRIDGE BETWEEN TWO LAKES...ROCKRIDGE AT PALMA DRIVE...AND EBENEZER AT 138.
Dec 30, 8:30 PM ESTFLOOD1 Se Rio, GASOUTH NEW SALEM ROAD IS CLOSED DUE TO HIGH WATER.
Dec 30, 8:30 PM ESTFLOOD1 S Steeles Mill, GAPORTIONS OF CHULI ROAD ARE CLOSED DUE TO HIGH WATER.
Dec 30, 8:30 PM ESTFLOOD3 W Patillo, GABUCK CREEK ROAD IS CLOSED BETWEEN BARNSVILLE AND REHOBOTH ROADS DUE TO HIGH WATER.
Dec 30, 8:32 PM ESTFLOOD1 S Griffin, GAMOCKINGBIRD LANE IS CLOSED DUE TO HIGH WATER.

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, 5.8 hours before the alert went out and 256 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.

019 
WGUS52 KFFC 301750
FFWFFC
GAC035-063-077-113-151-159-171-207-217-247-255-297-302345-
/O.NEW.KFFC.FF.W.0055.151230T1750Z-151230T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1250 PM EST WED DEC 30 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WALTON COUNTY IN NORTH CENTRAL GEORGIA...
  MONROE COUNTY IN CENTRAL GEORGIA...
  LAMAR COUNTY IN WEST CENTRAL GEORGIA...
  CLAYTON COUNTY IN NORTH CENTRAL GEORGIA...
  BUTTS COUNTY IN CENTRAL GEORGIA...
  SPALDING COUNTY IN WEST CENTRAL GEORGIA...
  ROCKDALE COUNTY IN NORTH CENTRAL GEORGIA...
  FAYETTE COUNTY IN NORTH CENTRAL GEORGIA...
  COWETA COUNTY IN WEST CENTRAL GEORGIA...
  HENRY COUNTY IN NORTH CENTRAL GEORGIA...
  JASPER COUNTY IN CENTRAL GEORGIA...
  NEWTON COUNTY IN NORTH CENTRAL GEORGIA...

* UNTIL 645 PM EST
    
* AT 1248 PM EST...DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF
  RAIN HAVE ALREADY FALLEN SINCE THIS MORNING IN SOME PORTIONS OF
  THE WARNED AREA. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NEWNAN...GRIFFIN...MCDONOUGH...FAYETTEVILLE...CONYERS...MONROE...
  COVINGTON...BARNESVILLE...JACKSON...JONESBORO...FORSYTH...
  MONTICELLO...PEACHTREE CITY...STOCKBRIDGE...FOREST PARK...
  RIVERDALE...COLLEGE PARK...FAIRBURN...LOGANVILLE AND HAMPTON.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 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 WARNING AT
NWSATLANTA.

&&

LAT...LON 3351 8470 3355 8446 3365 8446 3362 8411
      3393 8380 3389 8376 3391 8364 3381 8351
      3359 8369 3353 8368 3343 8353 3317 8355
      3313 8382 3296 8371 3285 8390 3285 8412
      3299 8412 3299 8427 3319 8425 3323 8494

$$
2 follow-up statements
850 
WGUS72 KFFC 302012
FFSFFC

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

GAC035-063-077-113-151-159-171-207-217-247-255-297-302345-
/O.CON.KFFC.FF.W.0055.000000T0000Z-151230T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WALTON GA-MONROE GA-LAMAR GA-CLAYTON GA-BUTTS GA-SPALDING GA-
ROCKDALE GA-FAYETTE GA-COWETA GA-HENRY GA-JASPER GA-NEWTON GA-
312 PM EST WED DEC 30 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EST FOR
WALTON...MONROE...LAMAR...CLAYTON...BUTTS...SPALDING...ROCKDALE...
FAYETTE...COWETA...HENRY...JASPER AND NEWTON COUNTIES...

AT 308 PM EST...EMERGENCY MANAGEMENT AND THE PUBLIC ARE REPORTING
FLOODING FROM HEAVY RAIN DUE TO THUNDERSTORMS OVER THE WARNED AREA.
RADAR ESTIMATES THAT UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN
SINCE MORNING. WHILE RAINFALL RATES HAVE LOWERED...FLASH FLOODING IS
EXPECTED TO CONTINUE FOR THE NEXT FEW HOURS.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NEWNAN...GRIFFIN...MCDONOUGH...FAYETTEVILLE...CONYERS...MONROE...
COVINGTON...BARNESVILLE...JACKSON...JONESBORO...FORSYTH...
MONTICELLO...PEACHTREE CITY...STOCKBRIDGE...FOREST PARK...
RIVERDALE...COLLEGE PARK...FAIRBURN...LOGANVILLE AND HAMPTON.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 1 AND A 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 3351 8470 3355 8446 3365 8446 3362 8411
      3393 8380 3389 8376 3391 8364 3381 8351
      3359 8369 3353 8368 3343 8353 3317 8355
      3313 8382 3296 8371 3285 8390 3285 8412
      3299 8412 3299 8427 3319 8425 3323 8494

$$
779 
WGUS52 KFFC 302323
FFWFFC
GAC035-063-077-113-151-159-171-207-217-247-255-297-310245-
/O.EXT.KFFC.FF.W.0055.000000T0000Z-151231T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  WALTON COUNTY IN NORTH CENTRAL GEORGIA...
  MONROE COUNTY IN CENTRAL GEORGIA...
  LAMAR COUNTY IN WEST CENTRAL GEORGIA...
  CLAYTON COUNTY IN NORTH CENTRAL GEORGIA...
  BUTTS COUNTY IN CENTRAL GEORGIA...
  SPALDING COUNTY IN WEST CENTRAL GEORGIA...
  ROCKDALE COUNTY IN NORTH CENTRAL GEORGIA...
  FAYETTE COUNTY IN NORTH CENTRAL GEORGIA...
  COWETA COUNTY IN WEST CENTRAL GEORGIA...
  HENRY COUNTY IN NORTH CENTRAL GEORGIA...
  JASPER COUNTY IN CENTRAL GEORGIA...
  NEWTON COUNTY IN NORTH CENTRAL GEORGIA...

* UNTIL 945 PM EST

* AT 619 PM EST...EMERGENCY MANAGEMENT AND PUBLIC SAFETY OFFICIALS
  REPORTED FLASH FLOODING IS OCCURRING ACROSS PORTIONS OF THE WARNED
  AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN IN PLACES AND
  SEVERAL ROADS ACROSS THE WARNED AREA ARE REPORTED CLOSED DUE TO
  FLASH FLOODING OF CREEKS AND STREAMS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NEWNAN...GRIFFIN...MCDONOUGH...FAYETTEVILLE...CONYERS...MONROE...
  COVINGTON...BARNESVILLE...JACKSON...JONESBORO...FORSYTH...
  MONTICELLO...PEACHTREE CITY...STOCKBRIDGE...FOREST PARK...
  RIVERDALE...COLLEGE PARK...FAIRBURN...LOGANVILLE AND HAMPTON.

ADDITIONAL RAINFALL AMOUNTS OF ONE HALF INCH 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 3351 8470 3355 8446 3365 8446 3362 8411
      3393 8380 3389 8376 3391 8364 3381 8351
      3359 8369 3353 8368 3343 8353 3317 8355
      3313 8382 3296 8371 3285 8390 3285 8412
      3299 8412 3299 8427 3319 8425 3323 8494

$$

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, 12:30 PM ESTFlash Flood WarningFFCChattahoochee, Harris, Meriwether, Muscogee, Pike, Talbot and 3 more9 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, 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.