Alert archive / Georgia / Flash Flood Warnings in 2012

Flash Flood Warning 7, NWS Atlanta, GA

March 3, 2012Gilmer County, Pickens County, Georgia

NWS Atlanta, GA issued this flash flood warning at Mar 3, 2012, 12:11 AM EST for Gilmer County, Pickens County, Georgia. It was in force for 5 hr. 1 report 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: Mar 3, 2012, 12:11 AM EST (05:11 UTC)
Expired: Mar 3, 2012, 4:57 AM EST
In force: 5 hr
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Flood severity: None

Counties Gilmer County, GA, Pickens County, GA

The radar

The Atlanta radar (KFFC), 132 km from the middle of the area, began a volume at 05:13 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
Mar 3, 2:30 AM EST	FLASH FLOOD	4 N Talking Rock, GA	A BRANCH FLOWING INTO FAUSETT CREEK WASHED OUT A PORTION OF RAVEN CLIFF ROAD. DEBRIS BLOCKAGE AT THE CULVERT PIPE AND THE VOLUME OF WATER CAUSED THE BRANCH TO OVERFLOW THE ROCK BASED ROAD.

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

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 5.2 hours before the alert went out and 130 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: 540 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 948 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 274 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.4

Open this sounding in Storm Lab

The text

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

795 
WGUS52 KFFC 030511
FFWFFC
GAC123-227-031100-
/O.NEW.KFFC.FF.W.0007.120303T0511Z-120303T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1211 AM EST SAT MAR 3 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN GILMER COUNTY IN NORTH CENTRAL GEORGIA
  NORTHERN PICKENS COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 600 AM EST

* AT 1205 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED THUNDERSTORMS WITH HEAVY RAIN TRAINING OVER THE WARNED
  AREA. THIS WILL LIKELY CAUSE FLASH FLOODING. RAINFALL AMOUNTS UP
  2.5 INCHES HAVE ALREADY OCCURRED IN THE FAUSETT AND TALKING ROCK   
  CREEK BASINS. ANOTHER INCH OR TWO WILL BE POSSIBLE IN THESE AREAS  
  THROUGH 200 AM EST.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SEQUOYAH
  LAKE...ROUNDTOP...CARTECAY AND TALONA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY...THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.

&&

LAT...LON 3463 8427 3457 8425 3458 8433 3453 8434
      3447 8432 3447 8426 3446 8426 3441 8465
      3461 8465

$$

16

2 follow-up statements

119 
WGUS72 KFFC 030609
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
109 AM EST SAT MAR 3 2012

GAC123-227-031100-
/O.CON.KFFC.FF.W.0007.000000T0000Z-120303T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PICKENS GA-GILMER GA-
109 AM EST SAT MAR 3 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 AM EST FOR
SOUTHERN GILMER AND NORTHERN PICKENS COUNTIES...

AT 1256 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
SHOW LIGHT TO MODERATE RAIN OVER THE WARNED AREA. PERIODS OF HEAVY 
RAIN HAD OCCURRED SINCE 700 PM EST FRIDAY EVENING. RAINFALL AMOUNTS 
RANGED FROM AROUND 3 INCHES IN TALKING ROCK TO NEAR 2 INCHES IN 
CARTECAY. ADDITIONAL RAINFALL AMOUNTS UP TO ANOTHER INCH ARE 
POSSIBLE. FLASH FLOODING WILL CONTINUE TO BE A THREAT IN THESE AREAS 
THROUGH EARLY THIS MORNING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SEQUOYAH
LAKE...ROUNDTOP AND TALONA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM EST SATURDAY MORNING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3463 8427 3457 8425 3458 8433 3453 8434
      3447 8432 3447 8426 3446 8426 3441 8465
      3461 8465

$$

16

026 
WGUS72 KFFC 030957
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
457 AM EST SAT MAR 3 2012

GAC123-227-031030-
/O.CAN.KFFC.FF.W.0007.000000T0000Z-120303T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PICKENS GA-GILMER GA-
457 AM EST SAT MAR 3 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN GILMER AND
NORTHERN PICKENS COUNTIES...

A COUNTY OFFICIAL FROM GILMER INDICATES THERE WERE NO FLOODING 
PROBLEMS OCCURRING IN THEIR COUNTY. A COUNTY OFFICIAL FOR PICKENS
COUNTY INDICATED ONE ROAD IN JASPER HAD EITHER ROAD PONDING OR 
TEMPORARY STREET FLOODING EARLIER DUE TO POOR DRAINAGE. THERE HAVE 
BEEN RAPID RISES ON THE CREEKS IN NORTH PICKENS COUNTY...ESPECIALLY 
THE TALKING ROCK CREEK...BUT NO FLOODING PROBLEMS HAVE BEEN REPORTED.

IF YOU SEE SIGNIFICANT FLOODING CALL THE NATIONAL WEATHER SERVICE
TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT
USING HASHTAG GAWX.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM EST SATURDAY MORNING
FOR NORTHERN GEORGIA.

LAT...LON 3463 8427 3457 8425 3458 8433 3453 8434
      3447 8432 3447 8426 3446 8426 3441 8465
      3461 8465

$$

16

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 2, 7:01 PM EST	Special Weather Statement	FFC	Coweta, Heard	44 min
Mar 2, 7:24 PM EST	Severe Thunderstorm Warning	FFC	Catoosa, Murray, Walker, Whitfield	21 min
Mar 2, 7:33 PM EST	Tornado Warning	FFC	Haralson, Polk	42 min
Mar 2, 7:37 PM EST	Special Weather Statement	FFC	Floyd	38 min
Mar 2, 8:14 PM EST	Tornado Warning	FFC	Haralson, Paulding, Polk	46 min
Mar 2, 8:28 PM EST	Special Weather Statement	FFC	Gordon	32 min
Mar 2, 8:34 PM EST	Severe Thunderstorm Warning	FFC	Floyd	41 min
Mar 2, 8:40 PM EST	Tornado Warning	FFC	Cherokee, Cobb, Paulding	50 min
Mar 2, 8:52 PM EST	Tornado Warning	FFC	Floyd	53 min
Mar 2, 9:11 PM EST	Tornado Warning	FFC	Cherokee, Cobb, DeKalb, Forsyth, Fulton, Gwinnett and 1 more	49 min
Mar 2, 9:26 PM EST	Tornado Warning	FFC	Bartow	35 min
Mar 2, 9:39 PM EST	Tornado Warning	FFC	Barrow, Forsyth, Gwinnett, Hall, Jackson	51 min
Mar 2, 9:43 PM EST	Special Weather Statement	FFC	Fannin	32 min
Mar 2, 10:14 PM EST	Special Weather Statement	FFC	Gordon	46 min
Mar 2, 10:17 PM EST	Special Weather Statement	FFC	Banks	43 min
Mar 2, 10:23 PM EST	Special Weather Statement	FFC	Pickens	52 min
Mar 2, 10:30 PM EST	Severe Thunderstorm Warning	FFC	Cherokee, Dawson, Forsyth, Pickens	33 min
Mar 2, 10:35 PM EST	Severe Thunderstorm Warning	FFC	Gordon	40 min
Mar 2, 10:40 PM EST	Special Weather Statement	FFC	White	50 min
Mar 2, 10:46 PM EST	Severe Thunderstorm Warning	FFC	Gordon	44 min
Mar 2, 10:53 PM EST	Tornado Warning	FFC	Dawson, Forsyth, Hall, Lumpkin, White	37 min
Mar 2, 10:59 PM EST	Severe Thunderstorm Warning	FFC	Chattooga, Floyd	51 min
Mar 2, 11:19 PM EST	Flash Flood Warning	FFC	Chattooga, Floyd, Gordon	4 hr
Mar 2, 11:31 PM EST	Special Weather Statement	FFC	White	14 min
Mar 2, 11:42 PM EST	Special Weather Statement	FFC	Pickens	33 min
Mar 3, 12:15 AM EST	Tornado Warning	FFC	Troup	45 min
Mar 3, 12:16 AM EST	Special Weather Statement	FFC	Floyd, Polk	29 min
Mar 3, 12:51 AM EST	Severe Thunderstorm Warning	FFC	Haralson, Paulding, Polk	39 min
Mar 3, 12:56 AM EST	Severe Thunderstorm Warning	FFC	Coweta, Meriwether	11 min
Mar 3, 1:07 AM EST	Special Weather Statement	FFC	Madison	23 min
Mar 3, 1:14 AM EST	Special Weather Statement	FFC	Carroll, Cobb, Douglas	46 min
Mar 3, 1:21 AM EST	Special Weather Statement	FFC	DeKalb, Fulton	24 min
Mar 3, 1:29 AM EST	Severe Thunderstorm Warning	FFC	DeKalb, Fulton	31 min
Mar 3, 1:42 AM EST	Severe Thunderstorm Warning	FFC	Gwinnett, Walton	33 min
Mar 3, 1:44 AM EST	Special Weather Statement	FFC	Heard	31 min
Mar 3, 1:52 AM EST	Special Weather Statement	FFC	DeKalb, Fulton	23 min
Mar 3, 1:58 AM EST	Tornado Warning	FFC	Barrow, Gwinnett, Walton	34 min
Mar 3, 2:02 AM EST	Special Weather Statement	FFC	Douglas	28 min
Mar 3, 2:10 AM EST	Special Weather Statement	FFC	Coweta	20 min
Mar 3, 2:25 AM EST	Special Weather Statement	FFC	Coweta, Fayette, Meriwether, Troup	50 min
Mar 3, 2:26 AM EST	Special Weather Statement	FFC	Clarke	34 min
Mar 3, 2:34 AM EST	Special Weather Statement	FFC	Clayton	41 min
Mar 3, 2:48 AM EST	Special Weather Statement	FFC	Henry, Newton, Rockdale, Spalding	27 min
Mar 3, 3:10 AM EST	Special Weather Statement	FFC	Butts, Henry, Jasper, Morgan, Newton, Oconee	35 min
Mar 3, 3:31 AM EST	Special Weather Statement	FFC	Oglethorpe	14 min
Mar 3, 3:41 AM EST	Special Weather Statement	FFC	Greene, Oglethorpe, Taliaferro, Wilkes	34 min
Mar 3, 3:47 AM EST	Flash Flood Warning	FFC	DeKalb	6 hr
Mar 3, 4:11 AM EST	Flash Flood Warning	FFC	Gwinnett	6 hr
Mar 3, 5:13 AM EST	River Flood Warning	FFC	Forsyth	12 hr
Mar 3, 5:47 AM EST	River Flood Warning	FFC	Forsyth, Fulton	36 hr
Mar 3, 6:44 AM EST	Special Weather Statement	FFC	Muscogee	31 min
Mar 3, 7:12 AM EST	Special Weather Statement	FFC	Chattahoochee	33 min
Mar 3, 7:42 AM EST	Special Weather Statement	FFC	Bibb, Chattahoochee, Crawford, Macon, Marion, Peach and 4 more	33 min
Mar 3, 8:14 AM EST	Special Weather Statement	FFC	Wheeler	31 min
Mar 3, 8:36 AM EST	Special Weather Statement	FFC	Houston, Twiggs	24 min
Mar 3, 9:01 AM EST	Special Weather Statement	FFC	Houston, Johnson, Twiggs, Wilkinson	29 min
Mar 3, 9:30 AM EST	Special Weather Statement	FFC	Bleckley, Dodge, Emanuel, Johnson, Laurens, Pulaski and 1 more	30 min
Mar 3, 9:57 AM EST	Special Weather Statement	FFC	Dodge, Emanuel, Johnson, Laurens, Treutlen	48 min
Mar 3, 10:19 AM EST	River Flood Warning	FFC	Carroll, Coweta, Heard	16 hr
Mar 3, 2:40 PM EST	Freeze Warning	FFC	Dawson, Fannin, Gilmer, Lumpkin, Pickens, Towns and 2 more	18 hr

Nearby

Flash Flood Warnings in Georgia, 2012 Every flash flood warning in 2012

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.