Alert archive / Georgia / Flash Flood Warnings in 2015

Flash Flood Warning 53, NWS Atlanta, GA

December 30, 20155 counties in Georgia

NWS Atlanta, GA issued this flash flood warning at Dec 30, 2015, 12:05 PM EST for 5 counties in Georgia. It was in force for 10 hr. 5 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, 12:05 PM EST (17:05 UTC)
Expired: Dec 30, 2015, 10:00 PM EST
In force: 10 hr
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Flood severity: None

Counties Greene County, GA, Morgan County, GA, Oconee County, GA, Oglethorpe County, GA, Wilkes County, GA

The radar

The Robins AFB radar (KJGX), 125 km from the middle of the area, began a volume at 17:06 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

Time	Report	Where	Remark
Dec 30, 12:15 PM EST	FLASH FLOOD	1 N Madison, GA	MORGAN COUNTY REPORTING SEVERAL ROADS FLOODED AND NOW BARRICADED.
Dec 30, 12:20 PM EST	FLASH FLOOD	2 Sw Enterprise, GA	SMALL FARM DAM FAILED AND HAS FLOODED CENTERVILLE ROAD NEAR HWY 77
Dec 30, 2:00 PM EST	FLASH FLOOD	2 Sw Norman, GA	VINSON ROAD FLOODED AND CLOSED
Dec 30, 2:00 PM EST	FLASH FLOOD	3 N Wrayswood, GA	SHERRIFS OFFICE REPORTING THAT BRANCH...JT ELDER...BLACK IKE...AND SIMONTON BRIDGE ROADS ARE ALL CLOSED DUE TO FLOODING
Dec 30, 5:17 PM EST	FLASH FLOOD	2 Ne Palmetto, GA	SWIFTWATER RESCUE OF A VEHICLE SWEPT DOWN A CREEK ON ARNOLD CALDWELL ROAD. OCCUPANT OK

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

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 5.1 hours before the alert went out and 300 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 610 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 734 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

639 
WGUS52 KFFC 301705
FFWFFC
GAC133-211-219-221-317-302300-
/O.NEW.KFFC.FF.W.0053.151230T1705Z-151230T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1205 PM EST WED DEC 30 2015

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MORGAN COUNTY IN NORTH CENTRAL GEORGIA...
  CENTRAL WILKES COUNTY IN EAST CENTRAL GEORGIA...
  NORTHERN GREENE COUNTY IN EAST CENTRAL GEORGIA...
  SOUTHEASTERN OCONEE COUNTY IN NORTHEASTERN GEORGIA...
  OGLETHORPE COUNTY IN NORTHEASTERN GEORGIA...

* UNTIL 600 PM EST
    
* AT 1204 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 IN PARTS OF OGLETHORPE COUNTY. FLASH
  FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MADISON...GREENSBORO...LEXINGTON...UNION POINT...CRAWFORD...
  RUTLEDGE...TIGNALL...BOSTWICK...ARNOLDSVILLE...WOODVILLE...
  MAXEYS...RAYLE...BUCKHEAD...STEPHENS...PENFIELD...JACKSONS
  CROSSROADS...WRAYSWOOD...HARD LABOR CREEK STATE PARK...APALACHEE
  AND FLORAL HILL.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 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 3382 8259 3369 8292 3373 8295 3369 8300
      3367 8296 3354 8328 3348 8328 3344 8353
      3353 8368 3359 8369 3381 8351 3378 8347
      3385 8328 3403 8307 3404 8298 3398 8286
      3398 8275 3392 8263 3386 8260 3387 8257

$$

3 follow-up statements

652 
WGUS72 KFFC 301945
FFSFFC

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

GAC133-211-219-221-317-302300-
/O.CON.KFFC.FF.W.0053.000000T0000Z-151230T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORGAN GA-WILKES GA-GREENE GA-OCONEE GA-OGLETHORPE GA-
245 PM EST WED DEC 30 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM EST FOR
MORGAN...CENTRAL WILKES...NORTHERN GREENE...SOUTHEASTERN OCONEE AND
OGLETHORPE COUNTIES...

AT 242 PM EST...EMERGENCY MANAGEMENT REPORTED FLOODED ROADWAYS AS A
RESULT OF HEAVY RAIN FROM THUNDERSTORMS OVER THE WARNED AREA. OVER 4
INCHES INCHES OF RAIN HAVE FALLEN. FLASH FLOODING IS OCCURRING IN
THE WARNED AREA.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MADISON...GREENSBORO...LEXINGTON...UNION POINT...CRAWFORD...
RUTLEDGE...TIGNALL...BOSTWICK...ARNOLDSVILLE...WOODVILLE...MAXEYS...
RAYLE...BUCKHEAD...STEPHENS...PENFIELD...JACKSONS CROSSROADS...
WRAYSWOOD...HARD LABOR CREEK STATE PARK...APALACHEE AND FLORAL HILL.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE THE
REMAINDER OF THE 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 REPORT AT
NWSATLANTA.

&&

LAT...LON 3382 8259 3369 8292 3373 8295 3369 8300
      3367 8296 3354 8328 3348 8328 3344 8353
      3353 8368 3359 8369 3381 8351 3378 8347
      3385 8328 3403 8307 3404 8298 3398 8286
      3398 8275 3392 8263 3386 8260 3387 8257

$$

263 
WGUS52 KFFC 302251
FFWFFC
GAC133-211-219-221-317-310300-
/O.EXT.KFFC.FF.W.0053.000000T0000Z-151231T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  MORGAN COUNTY IN NORTH CENTRAL GEORGIA...
  CENTRAL WILKES COUNTY IN EAST CENTRAL GEORGIA...
  NORTHERN GREENE COUNTY IN EAST CENTRAL GEORGIA...
  SOUTHEASTERN OCONEE COUNTY IN NORTHEASTERN GEORGIA...
  OGLETHORPE COUNTY IN NORTHEASTERN GEORGIA...

* UNTIL 1000 PM EST

* AT 549 PM EST...EMERGENCY MANAGEMENT REPORTED FLASH FLOODING
  ACROSS THE WARNED AREA. UP TO 6 INCHES OF RAIN HAVE ALREADY FALLEN
  ACROSS PORTIONS OF THE AREA. FLASH FLOODING IS ALREADY OCCURRING
  AND NUMEROUS ROADS ARE CLOSED ACROSS 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 3382 8259 3369 8292 3373 8295 3369 8300
      3367 8296 3354 8328 3348 8328 3344 8353
      3353 8368 3359 8369 3381 8351 3378 8347
      3385 8328 3403 8307 3404 8298 3398 8286
      3398 8275 3392 8263 3386 8260 3387 8257

$$

079 
WGUS72 KFFC 310252
FFSFFC

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

GAC133-211-219-221-317-310301-
/O.EXP.KFFC.FF.W.0053.000000T0000Z-151231T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MORGAN GA-WILKES GA-GREENE GA-OCONEE GA-OGLETHORPE GA-
952 PM EST WED DEC 30 2015

...THE FLASH FLOOD WARNING FOR MORGAN...CENTRAL WILKES...NORTHERN
GREENE...SOUTHEASTERN OCONEE AND OGLETHORPE COUNTIES WILL EXPIRE AT
1000 PM EST...

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

LAT...LON 3382 8259 3369 8292 3373 8295 3369 8300
      3367 8296 3354 8328 3348 8328 3344 8353
      3353 8368 3359 8369 3381 8351 3378 8347
      3385 8328 3403 8307 3404 8298 3398 8286
      3398 8275 3392 8263 3386 8260 3387 8257

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 29, 7:53 PM EST	River Flood Warning	FFC	Clayton, Fayette, Spalding	15 hr
Dec 29, 8:33 PM EST	River Flood Warning	FFC	DeKalb, Rockdale	49 hr
Dec 29, 10:07 PM EST	River Flood Warning	FFC	Fayette, Spalding	3 days
Dec 30, 6:15 AM EST	Special Weather Statement	FFC	Troup	45 min
Dec 30, 7:29 AM EST	Flash Flood Warning	FFC	Barrow, Cobb, DeKalb, Douglas, Forsyth, Fulton and 1 more	6 hr
Dec 30, 8:23 AM EST	Flash Flood Warning	FFC	Banks, Bartow, Cherokee, Cobb, Dawson, Forsyth and 7 more	6 hr
Dec 30, 10:51 AM EST	River Flood Warning	FFC	Washington, Wilkinson	51 hr
Dec 30, 10:51 AM EST	River Flood Warning	FFC	Forsyth	19 hr
Dec 30, 10:51 AM EST	River Flood Warning	FFC	Newton	3 days
Dec 30, 11:35 AM EST	Special Weather Statement	FFC	Lamar, Upson	25 min
Dec 30, 11:49 AM EST	Special Weather Statement	FFC	Jasper	26 min
Dec 30, 12:30 PM EST	Flash Flood Warning	FFC	Chattahoochee, Harris, Meriwether, Muscogee, Pike, Talbot and 3 more	9 hr
Dec 30, 12:37 PM EST	River Flood Warning	FFC	Fayette	34 hr
Dec 30, 12:41 PM EST	Special Weather Statement	FFC	Butts, Henry, Jasper, Lamar, Monroe, Newton and 3 more	94 min
Dec 30, 12:50 PM EST	Flash Flood Warning	FFC	Butts, Clayton, Coweta, Fayette, Henry, Jasper and 6 more	9 hr
Dec 30, 1:19 PM EST	Flash Flood Warning	FFC	Barrow, Clarke, Jackson, Madison, Oconee, Oglethorpe	6 hr
Dec 30, 2:38 PM EST	River Flood Warning	FFC	Morgan, Newton	24 hr
Dec 30, 2:38 PM EST	River Flood Warning	FFC	Barrow, Jackson	22 hr
Dec 30, 3:17 PM EST	River Flood Warning	FFC	Clayton, Fayette, Spalding	32 hr
Dec 30, 3:17 PM EST	River Flood Warning	FFC	Coweta, Fayette, Spalding	26 hr
Dec 30, 3:17 PM EST	River Flood Warning	FFC	Newton	8 days
Dec 30, 3:35 PM EST	River Flood Warning	FFC	Troup	27 hr
Dec 30, 4:03 PM EST	River Flood Warning	FFC	Newton, Rockdale	24 hr
Dec 30, 4:46 PM EST	Flash Flood Warning	FFC	Glascock, Greene, Hancock, Putnam, Taliaferro, Warren and 2 more	6 hr
Dec 30, 5:40 PM EST	Flash Flood Warning	FFC	Macon, Marion, Schley, Stewart, Sumter, Taylor and 1 more	6 hr
Dec 30, 5:52 PM EST	River Flood Warning	FFC	Newton, Walton	24 hr

Nearby

Flash Flood Warnings in Georgia, 2015 Every 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.