Alert archive / Georgia / Flash Flood Warnings in 2016

Flash Flood Warning 1, NWS Atlanta, GA

February 3, 2016Catoosa County, Walker County, Georgia

NWS Atlanta, GA issued this flash flood warning at Feb 3, 2016, 5:22 AM EST for Catoosa County, Walker 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: Feb 3, 2016, 5:22 AM EST (10:22 UTC)
Expired: Feb 3, 2016, 11:15 AM EST
In force: 6 hr
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Flood severity: None

Counties Catoosa County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 88 km from the middle of the area, began a volume at 10:23 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, 10.4 hours before the alert went out and 174 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: 13 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 226 m²/s²
0-3 km storm-relative helicity: 329 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

116 
WGUS52 KFFC 031022
FFWFFC
GAC047-295-031615-
/O.NEW.KFFC.FF.W.0001.160203T1022Z-160203T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
522 AM EST WED FEB 3 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WALKER COUNTY IN NORTHWESTERN GEORGIA...
  CATOOSA COUNTY IN NORTHWESTERN GEORGIA...

* UNTIL 1115 AM EST
    
* AT 520 AM EST...LOCAL LAW ENFORCEMENT REPORTED WIDESPREAD FLOODING
  AND SOME EVACUATION OF RESIDENTS FORT OGLETHORPE IN CATOOSA
  COUNTY. RADAR AND GAGE MEASUREMENTS ESTIMATE 1.5 TO 2 INCHES OF
  RAIN HAVE FALLEN SO FAR.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LAFAYETTE...RINGGOLD...FORT OGLETHORPE...CHICKAMAUGA...LA
  FAYETTE...LAKEVIEW...NAOMI...GRAYSVILLE...BLUE SPRING...BOYNTON...
  NOBLE...COOPER HEIGHTS...CENTER POST...BEAUMONT...ROCK SPRING...
  INDIAN SPRINGS...LINWOOD...FAIRVIEW...WOOD STATION AND APISON.

ADDITIONAL RAINFALL AMOUNTS OF 0.5 TO 1 INCH 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 3497 8498 3497 8500 3494 8500 3482 8509
      3481 8512 3482 8513 3477 8514 3472 8517
      3459 8527 3461 8549 3498 8531 3499 8498

$$

1 follow-up statement

061 
WGUS72 KFFC 031446
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
946 AM EST WED FEB 3 2016

GAC047-295-031453-
/O.CAN.KFFC.FF.W.0001.000000T0000Z-160203T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WALKER GA-CATOOSA GA-
946 AM EST WED FEB 3 2016

...THE FLASH FLOOD WARNING FOR WALKER AND CATOOSA COUNTIES IS
CANCELLED...

THE RAIN HAS ENDED ACROSS THE PREVIOUSLY WARNED AREA. THE FLOOD WATERS 
HAVE RECEDED IN MOST LOCATIONS...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES.

LAT...LON 3497 8498 3497 8500 3494 8500 3482 8509
      3481 8512 3482 8513 3477 8514 3472 8517
      3459 8527 3461 8549 3498 8531 3499 8498

$$

16

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 3, 3:16 AM EST	Special Weather Statement	FFC	Dade	29 min
Feb 3, 3:45 AM EST	Special Weather Statement	FFC	Chattooga, Walker	30 min
Feb 3, 4:16 AM EST	Special Weather Statement	FFC	Chattooga, Floyd, Walker, Whitfield	29 min
Feb 3, 4:32 AM EST	Special Weather Statement	FFC	Haralson, Polk	28 min
Feb 3, 4:42 AM EST	River Flood Warning	FFC	Dade	46 hr
Feb 3, 4:45 AM EST	Special Weather Statement	FFC	Murray	30 min
Feb 3, 5:00 AM EST	Special Weather Statement	FFC	Bartow, Haralson, Paulding	30 min
Feb 3, 5:02 AM EST	Flash Flood Watch	FFC	Baldwin, Banks, Barrow, Bibb, Bleckley, Butts and 70 more	17 hr
Feb 3, 5:37 AM EST	Special Weather Statement	FFC	Cherokee, Pickens	23 min
Feb 3, 6:02 AM EST	Special Weather Statement	FFC	Cherokee, Cobb, Fulton	28 min
Feb 3, 6:18 AM EST	River Flood Warning	FFC	Forsyth	17 hr
Feb 3, 6:18 AM EST	River Flood Warning	FFC	Forsyth, Fulton	51 hr
Feb 3, 6:26 AM EST	Special Weather Statement	FFC	DeKalb, Forsyth, Fulton, Gwinnett	34 min
Feb 3, 6:50 AM EST	Special Weather Statement	FFC	Coweta	25 min
Feb 3, 7:00 AM EST	Special Weather Statement	FFC	Clayton, DeKalb, Gwinnett, Hall	30 min
Feb 3, 7:29 AM EST	Special Weather Statement	FFC	Barrow, Clayton, Gwinnett, Jackson, Rockdale	46 min
Feb 3, 7:35 AM EST	Special Weather Statement	FFC	Fayette, Henry, Meriwether, Troup	25 min
Feb 3, 7:59 AM EST	Special Weather Statement	FFC	Fayette, Harris, Henry, Meriwether, Troup	31 min
Feb 3, 8:12 AM EST	River Flood Warning	FFC	Catoosa	58 hr
Feb 3, 8:13 AM EST	Special Weather Statement	FFC	Barrow, Jackson, Madison, Newton, Rockdale, Walton	47 min
Feb 3, 8:28 AM EST	Special Weather Statement	FFC	Harris, Henry, Meriwether, Muscogee, Pike, Spalding and 1 more	32 min
Feb 3, 8:43 AM EST	River Flood Warning	FFC	Murray, Whitfield	41 hr
Feb 3, 8:43 AM EST	River Flood Warning	FFC	Whitfield	66 hr
Feb 3, 8:54 AM EST	Special Weather Statement	FFC	Chattahoochee, Marion, Muscogee, Stewart	51 min
Feb 3, 8:57 AM EST	River Flood Warning	FFC	DeKalb	24 hr
Feb 3, 9:00 AM EST	Special Weather Statement	FFC	Lamar, Pike, Talbot, Upson	30 min
Feb 3, 9:03 AM EST	River Flood Warning	FFC	Gwinnett	9 hr
Feb 3, 9:03 AM EST	Special Weather Statement	FFC	Butts, Morgan, Newton, Oconee	27 min
Feb 3, 9:17 AM EST	Special Weather Statement	FFC	Towns, Union	28 min
Feb 3, 9:25 AM EST	Special Weather Statement	FFC	Butts, Jasper	35 min
Feb 3, 9:30 AM EST	Special Weather Statement	FFC	Crawford, Lamar, Monroe, Taylor, Upson	45 min
Feb 3, 9:38 AM EST	River Flood Warning	FFC	DeKalb	24 hr
Feb 3, 9:39 AM EST	Special Weather Statement	FFC	Marion, Schley, Webster	36 min
Feb 3, 9:45 AM EST	Special Weather Statement	FFC	Morgan	30 min
Feb 3, 10:11 AM EST	Special Weather Statement	FFC	Bibb, Crawford	34 min
Feb 3, 10:18 AM EST	River Flood Warning	FFC	Gordon, Murray, Whitfield	70 hr
Feb 3, 10:43 AM EST	Special Weather Statement	FFC	Bibb	32 min
Feb 3, 11:00 AM EST	Areal Flood Warning	FFC	Union	6 hr
Feb 3, 11:13 AM EST	Special Weather Statement	FFC	Baldwin, Bleckley, Crisp, Dooly, Hancock, Houston and 7 more	62 min
Feb 3, 11:26 AM EST	River Flood Warning	FFC	DeKalb, Rockdale	29 hr
Feb 3, 11:26 AM EST	River Flood Warning	FFC	Newton, Rockdale	38 hr
Feb 3, 11:26 AM EST	River Flood Warning	FFC	Bibb, Houston, Jones, Monroe, Twiggs	4 days
Feb 3, 11:26 AM EST	River Flood Warning	FFC	Clarke, Greene, Oconee	64 hr
Feb 3, 11:26 AM EST	River Flood Warning	FFC	Johnson, Washington, Wilkinson	4 days
Feb 3, 11:40 AM EST	River Flood Warning	FFC	Gwinnett, Walton	9 hr
Feb 3, 11:40 AM EST	River Flood Warning	FFC	DeKalb	24 hr
Feb 3, 11:57 AM EST	Severe Thunderstorm Warning	FFC	Sumter	33 min
Feb 3, 12:17 PM EST	Special Weather Statement	FFC	Bleckley, Crisp, Dodge, Dooly, Jefferson, Johnson and 3 more	43 min
Feb 3, 12:55 PM EST	Special Weather Statement	FFC	Bleckley, Twiggs, Wilkinson	35 min
Feb 3, 1:03 PM EST	Special Weather Statement	FFC	Crisp, Dodge, Emanuel, Jefferson, Johnson, Laurens and 5 more	42 min
Feb 3, 1:43 PM EST	Special Weather Statement	FFC	Bleckley, Crisp, Dodge, Dooly, Glascock, Houston and 9 more	47 min
Feb 3, 2:35 PM EST	Special Weather Statement	FFC	Bleckley, Crisp, Dodge, Emanuel, Jefferson, Johnson and 4 more	25 min
Feb 3, 3:06 PM EST	Special Weather Statement	FFC	Bleckley, Crisp, Dodge, Emanuel, Johnson, Laurens and 3 more	24 min
Feb 3, 3:32 PM EST	Special Weather Statement	FFC	Crisp, Dodge, Emanuel, Johnson, Laurens, Montgomery and 6 more	58 min
Feb 3, 4:24 PM EST	Flash Flood Warning	FFC	Johnson	6 hr
Feb 3, 4:37 PM EST	Special Weather Statement	FFC	Emanuel, Montgomery, Telfair, Toombs, Treutlen, Wheeler	38 min
Feb 3, 4:47 PM EST	Special Weather Statement	FFC	Emanuel, Montgomery, Telfair, Toombs, Treutlen, Wheeler	43 min
Feb 3, 5:59 PM EST	River Flood Warning	FFC	Chattooga	12 hr
Feb 3, 5:59 PM EST	Special Weather Statement	FFC	Bleckley, Crisp, Dodge, Emanuel, Johnson, Laurens and 7 more	16 min

Nearby

Flash Flood Warnings in Georgia, 2016 Every flash flood warning in 2016

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.