Alert archive / Georgia / Flash Flood Warnings in 2017

Flash Flood Warning 12, NWS Atlanta, GA

April 5, 2017Bartow County, Floyd County, Polk County, Georgia

NWS Atlanta, GA issued this flash flood warning at Apr 5, 2017, 9:01 PM EDT for Bartow County, Floyd County, Polk 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: Apr 5, 2017, 9:01 PM EDT (01:01 UTC)
Expired: Apr 6, 2017, 3:00 AM EDT
In force: 6 hr
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Flood severity: None

Counties Bartow County, GA, Floyd County, GA, Polk County, GA

The radar

The Atlanta radar (KFFC), 93 km from the middle of the area, began a volume at 00:59 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, 1.0 hours before the alert went out and 96 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: 723 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 594 m above ground
0-6 km bulk shear: 93 kt
0-1 km storm-relative helicity: 354 m²/s²
0-3 km storm-relative helicity: 356 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 9.8

Open this sounding in Storm Lab

The text

As transmitted.

870 
WGUS52 KFFC 060101
FFWFFC
GAC015-115-233-060700-
/O.NEW.KFFC.FF.W.0012.170406T0101Z-170406T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
901 PM EDT WED APR 5 2017

The National Weather Service in Peachtree City has issued a

* Flash Flood Warning for...
  Southeastern Floyd County in northwestern Georgia...
  Polk County in northwestern Georgia...
  Southwestern Bartow County in northwestern Georgia...

* Until 300 AM EDT Thursday

* At 859 PM EDT, weather spotters reported flash flooding occurring 
  in the warned area. Rainfall amounts of 2.5 to 3 inches of rain 
  have fallen, and up to 1 inch of additional rainfall is possible. 

* Some locations that will experience flooding include...
  Rome, Cartersville, Cedartown, Rockmart, Euharlee, Aragon, Cave
  Spring, Taylorsville, Fish Creek, Etna, Lindale, Esom Hill,
  Antioch, Van Wert, Seney and Stilesboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

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 3428 8507 3420 8493 3411 8483 3408 8488
      3408 8492 3404 8494 3394 8510 3390 8531
      3390 8537 3394 8540 3410 8543

$$

1 follow-up statement

588 
WGUS72 KFFC 060440
FFSFFC

Flash Flood Statement
National Weather Service Peachtree City GA
1240 AM EDT THU APR 6 2017

GAC015-115-233-060448-
/O.CAN.KFFC.FF.W.0012.000000T0000Z-170406T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Floyd GA-Polk GA-Bartow GA-
1240 AM EDT THU APR 6 2017

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN FLOYD...POLK AND
SOUTHWESTERN BARTOW COUNTIES IS CANCELLED...

The heavy rain has ended. In total 2 to 3 inches of rain fell within 
the warned area, with locally higher amounts. Rivers and creeks 
continue to respond, and rises are still possible, but the threat of 
imminent flash flooding has passed.

LAT...LON 3428 8507 3420 8493 3411 8483 3408 8488
      3408 8492 3404 8494 3394 8510 3390 8531
      3390 8537 3394 8540 3410 8543

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 8:11 PM EDT	Special Weather Statement	FFC	Floyd, Polk	34 min
Apr 5, 8:16 PM EDT	Severe Thunderstorm Warning	FFC	Floyd, Haralson, Paulding, Polk	29 min
Apr 5, 8:17 PM EDT	Special Weather Statement	FFC	Coweta	28 min
Apr 5, 8:41 PM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Dade, Walker, Whitfield	49 min
Apr 5, 8:43 PM EDT	Special Weather Statement	FFC	Cherokee, Pickens	32 min
Apr 5, 8:54 PM EDT	Special Weather Statement	FFC	Paulding	36 min
Apr 5, 9:00 PM EDT	Special Weather Statement	FFC	Gordon	30 min
Apr 5, 9:03 PM EDT	Wind Advisory	FFC	Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more	23 hr
Apr 5, 9:06 PM EDT	Special Weather Statement	FFC	DeKalb, Fulton	24 min
Apr 5, 9:08 PM EDT	Flash Flood Warning	FFC	DeKalb, Fulton, Gwinnett	6 hr
Apr 5, 9:26 PM EDT	Special Weather Statement	FFC	Paulding	34 min
Apr 5, 9:31 PM EDT	Special Weather Statement	FFC	Carroll	29 min
Apr 5, 9:32 PM EDT	Special Weather Statement	FFC	Toombs	43 min
Apr 5, 9:33 PM EDT	Special Weather Statement	FFC	Cherokee	27 min
Apr 5, 9:44 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Coweta, Heard	31 min
Apr 5, 9:50 PM EDT	Special Weather Statement	FFC	Wheeler	25 min
Apr 5, 9:57 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Heard, Troup	48 min
Apr 5, 10:08 PM EDT	Special Weather Statement	FFC	Douglas	37 min
Apr 5, 10:14 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Coweta, Douglas, Fayette, Fulton	46 min
Apr 5, 10:20 PM EDT	Special Weather Statement	FFC	Fulton	40 min
Apr 5, 10:30 PM EDT	Special Weather Statement	FFC	Clayton, DeKalb, Gwinnett, Henry, Rockdale	45 min
Apr 5, 10:40 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Meriwether, Troup	50 min
Apr 5, 10:48 PM EDT	River Flood Warning	FFC	DeKalb	24 hr
Apr 5, 10:52 PM EDT	River Flood Warning	FFC	Cobb	24 hr
Apr 5, 10:53 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Marion, Meriwether, Muscogee, Talbot	52 min
Apr 5, 11:00 PM EDT	Special Weather Statement	FFC	Banks, Hall, Jackson	45 min
Apr 5, 11:06 PM EDT	Severe Thunderstorm Warning	FFC	Banks, Barrow, Clarke, Hall, Jackson, Madison and 1 more	39 min
Apr 5, 11:10 PM EDT	Special Weather Statement	FFC	Butts, Henry, Newton, Rockdale, Spalding, Walton	50 min
Apr 5, 11:48 PM EDT	Special Weather Statement	FFC	Crawford, Macon, Marion, Schley, Talbot, Taylor and 1 more	42 min
Apr 5, 11:55 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Morgan, Newton, Oconee, Walton	20 min
Apr 6, 12:03 AM EDT	River Flood Warning	FFC	Cobb	24 hr
Apr 6, 12:10 AM EDT	Special Weather Statement	FFC	Clarke	50 min
Apr 6, 12:23 AM EDT	Special Weather Statement	FFC	Baldwin, Bibb, Jones, Twiggs	52 min
Apr 6, 12:24 AM EDT	River Flood Warning	FFC	Madison, Oglethorpe	24 hr
Apr 6, 12:29 AM EDT	Special Weather Statement	FFC	Houston, Macon, Peach	46 min
Apr 6, 1:00 AM EDT	Special Weather Statement	FFC	Baldwin, Glascock, Hancock, Houston, Twiggs, Warren and 2 more	45 min
Apr 6, 1:58 AM EDT	Special Weather Statement	FFC	Jefferson, Washington	47 min
Apr 6, 3:14 AM EDT	Special Weather Statement	FFC	Emanuel	31 min
Apr 6, 4:13 AM EDT	River Flood Warning	FFC	Carroll, Coweta, Heard	30 hr
Apr 6, 11:23 AM EDT	River Flood Warning	FFC	Coweta, Fayette, Spalding	24 hr
Apr 6, 12:21 PM EDT	River Flood Warning	FFC	Cobb, Paulding	24 hr
Apr 6, 12:48 PM EDT	River Flood Warning	FFC	Cobb, Douglas	41 hr
Apr 6, 12:48 PM EDT	River Flood Warning	FFC	Fayette, Spalding	38 hr
Apr 6, 3:28 PM EDT	River Flood Warning	FFC	Butts, Henry, Newton	24 hr
Apr 6, 5:10 PM EDT	River Flood Warning	FFC	Clayton, Fayette, Spalding	24 hr

Nearby

Flash Flood Warnings in Georgia, 2017 Every flash flood warning in 2017

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.