Alert archive / Georgia / Flash Flood Warnings in 2014

Flash Flood Warning 27, NWS Atlanta, GA

August 20, 2014Fannin County, Gilmer County, Union County, Georgia

NWS Atlanta, GA issued this flash flood warning at Aug 20, 2014, 6:29 PM EDT for Fannin County, Gilmer County, Union County, Georgia. It was in force for 6 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: Aug 20, 2014, 6:29 PM EDT (22:29 UTC)
Expired: Aug 21, 2014, 12:30 AM EDT
In force: 6 hr
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Flood severity: None

Counties Fannin County, GA, Gilmer County, GA, Union County, GA

The radar

The Atlanta radar (KFFC), 150 km from the middle of the area, began a volume at 22:31 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
Aug 20, 8:00 PM EDT	FLASH FLOOD	1 S Brown Mill, GA	AT LEAST A FOOT OF WATER FLOWING OVER WALKABOUT CREEK ROAD FROM NEARBY CREEK.

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 12:00Z, 10.5 hours before the alert went out and 149 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: 1258 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 821 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 48 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.

806 
WGUS52 KFFC 202229
FFWFFC
GAC111-123-291-210430-
/O.NEW.KFFC.FF.W.0027.140820T2229Z-140821T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
629 PM EDT WED AUG 20 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FANNIN COUNTY IN NORTH CENTRAL GEORGIA
  GILMER COUNTY IN NORTH CENTRAL GEORGIA
  WESTERN UNION COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 1230 AM EDT

* AT 627 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. RAINFALL
  AMOUNTS OF UP TO 2 INCHES HAVE FALLEN IN THE PAST HOUR OR SO...
  WITH AN ADDITIONAL 2 TO 3 INCHES POSSIBLE IN THE NEXT COUPLE OF
  HOURS AS ANOTHER AREA OF THUNDERSTORMS MOVES THROUGH. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BLAIRSVILLE...MORGANTON...BLUE RIDGE AND MCCAYSVILLE-COPPERHILL

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

IN HILLY TERRAIN THERE ARE LOW WATER CROSSINGS WHICH ARE POTENTIALLY
DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED
ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF SWIFTLY
FLOWING WATER TO CARRY VEHICLES AWAY.

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 3499 8400 3474 8391 3473 8396 3464 8404
      3466 8413 3461 8419 3460 8425 3457 8426
      3458 8433 3455 8437 3456 8448 3455 8448
      3456 8450 3455 8465 3474 8465 3482 8458
      3486 8462 3499 8462

$$

2 follow-up statements

639 
WGUS72 KFFC 202332
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
732 PM EDT WED AUG 20 2014

GAC111-123-291-210430-
/O.CON.KFFC.FF.W.0027.000000T0000Z-140821T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UNION GA-FANNIN GA-GILMER GA-
732 PM EDT WED AUG 20 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT FOR
GILMER...FANNIN AND WESTERN UNION COUNTIES...

AT 727 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR HAS INDICATED 
UPWARDS OF 4 INCHES OF RAIN ACROSS ESPECIALLY PORTIONS OF SOUTHERN 
FANNIN COUNTY. THE HEAVIEST RAIN HAS LET UP SOMEWHAT BUT ADDITIONAL 
RAIN MAY FALL FROM STORMS STILL UP IN TENNESSEE. DO NOT LET YOUR 
GUARD DOWN JUST BECAUSE THE RAIN HAS LET UP...CREEKS AND STREAMS ARE 
STILL RISING!

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EAST
ELLIJAY...SUCHES...BLAIRSVILLE...ELLIJAY...MORGANTON...BLUE RIDGE AND
MCCAYSVILLE-COPPERHILL

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.

IN HILLY TERRAIN THERE ARE LOW WATER CROSSINGS WHICH ARE POTENTIALLY
DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED
ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF SWIFTLY
FLOWING WATER TO CARRY VEHICLES AWAY.

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 3499 8400 3474 8391 3473 8396 3464 8404
      3466 8413 3461 8419 3460 8425 3457 8426
      3458 8433 3455 8437 3456 8448 3455 8448
      3456 8450 3455 8465 3474 8465 3482 8458
      3486 8462 3499 8462

$$

684 
WGUS72 KFFC 210037
FFSFFC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
837 PM EDT WED AUG 20 2014

GAC111-123-291-210430-
/O.CON.KFFC.FF.W.0027.000000T0000Z-140821T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UNION GA-FANNIN GA-GILMER GA-
837 PM EDT WED AUG 20 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT FOR
GILMER...FANNIN AND WESTERN UNION COUNTIES...

AT 827 PM EDT...A MODERATE TO HEAVY RAIN WAS STILL OCCURRING OVER 
THE WARNED AREA. BETWEEN 3 AND 4 INCHES OF RAIN HAVE FALLEN IN THE 
PAST 3 HOURS. HIGH WATER MAY BE LINGERING ACROSS THE AREA...AND 
MODERATE RAIN CONTINUES.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EAST
ELLIJAY...SUCHES...BLAIRSVILLE...ELLIJAY...MORGANTON...BLUE RIDGE AND
MCCAYSVILLE-COPPERHILL

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3499 8400 3474 8391 3473 8396 3464 8404
      3466 8413 3461 8419 3460 8425 3457 8426
      3458 8433 3455 8437 3456 8448 3455 8448
      3456 8450 3455 8465 3474 8465 3482 8458
      3486 8462 3499 8462

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 20, 1:11 PM EDT	Special Weather Statement	FFC	Cherokee	34 min
Aug 20, 1:16 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee	44 min
Aug 20, 1:45 PM EDT	Special Weather Statement	FFC	Hall	30 min
Aug 20, 1:50 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Hall, Lumpkin	40 min
Aug 20, 2:10 PM EDT	Special Weather Statement	FFC	Cobb	35 min
Aug 20, 2:18 PM EDT	Special Weather Statement	FFC	Bartow	27 min
Aug 20, 2:31 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd, Gordon	44 min
Aug 20, 2:33 PM EDT	Special Weather Statement	FFC	Barrow	27 min
Aug 20, 2:48 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Fayette, Meriwether, Pike	42 min
Aug 20, 2:50 PM EDT	Special Weather Statement	FFC	DeKalb, Fulton	25 min
Aug 20, 2:57 PM EDT	Severe Thunderstorm Warning	FFC	Pike, Upson	48 min
Aug 20, 3:11 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Monroe	49 min
Aug 20, 3:14 PM EDT	Special Weather Statement	FFC	Troup	31 min
Aug 20, 3:19 PM EDT	Special Weather Statement	FFC	Clayton, Henry	26 min
Aug 20, 3:23 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cobb, Paulding	52 min
Aug 20, 3:24 PM EDT	Heat Advisory	FFC	Baldwin, Bibb, Bleckley, Chattahoochee, Crawford, Crisp and 30 more	29 hr
Aug 20, 3:26 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Fayette, Fulton, Henry	49 min
Aug 20, 3:31 PM EDT	Special Weather Statement	FFC	Floyd	29 min
Aug 20, 3:45 PM EDT	Severe Thunderstorm Warning	FFC	Jasper, Morgan, Newton, Oconee, Walton	45 min
Aug 20, 3:48 PM EDT	Severe Thunderstorm Warning	FFC	Crawford, Monroe, Peach, Taylor	42 min
Aug 20, 3:56 PM EDT	Special Weather Statement	FFC	Twiggs	34 min
Aug 20, 4:00 PM EDT	Severe Thunderstorm Warning	FFC	Newton, Rockdale, Walton	28 min
Aug 20, 4:06 PM EDT	Special Weather Statement	FFC	Douglas, Paulding	24 min
Aug 20, 4:16 PM EDT	Special Weather Statement	FFC	Fayette	29 min
Aug 20, 4:27 PM EDT	Special Weather Statement	FFC	Bleckley, Houston	33 min
Aug 20, 4:27 PM EDT	Severe Thunderstorm Warning	FFC	Jasper, Morgan, Putnam	48 min
Aug 20, 4:29 PM EDT	Special Weather Statement	FFC	Douglas	31 min
Aug 20, 4:35 PM EDT	Special Weather Statement	FFC	Gordon	25 min
Aug 20, 4:38 PM EDT	Special Weather Statement	FFC	Greene, Taliaferro	37 min
Aug 20, 4:41 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Houston, Pulaski, Twiggs	49 min
Aug 20, 4:42 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Haralson, Paulding, Polk	48 min
Aug 20, 4:48 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Laurens, Twiggs, Wilkinson	42 min
Aug 20, 4:55 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Union	50 min
Aug 20, 4:56 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Hancock, Taliaferro	49 min
Aug 20, 5:03 PM EDT	Special Weather Statement	FFC	Marion, Muscogee, Taylor	27 min
Aug 20, 5:07 PM EDT	Severe Thunderstorm Warning	FFC	Glascock, Hancock, Warren, Washington	38 min
Aug 20, 5:10 PM EDT	Severe Thunderstorm Warning	FFC	Gordon	33 min
Aug 20, 5:11 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Coweta, Fulton	49 min
Aug 20, 5:16 PM EDT	Severe Thunderstorm Warning	FFC	Lumpkin	44 min
Aug 20, 5:26 PM EDT	Special Weather Statement	FFC	Wilcox	34 min
Aug 20, 5:31 PM EDT	Special Weather Statement	FFC	Haralson	29 min
Aug 20, 5:31 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Crisp, Dodge, Dooly, Laurens, Pulaski and 1 more	44 min
Aug 20, 5:33 PM EDT	Special Weather Statement	FFC	Marion	27 min
Aug 20, 5:43 PM EDT	Severe Thunderstorm Warning	FFC	Crisp, Dooly, Wilcox	47 min
Aug 20, 5:46 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Meriwether	44 min
Aug 20, 5:48 PM EDT	Special Weather Statement	FFC	Glascock	27 min
Aug 20, 5:48 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Lumpkin, Union	42 min
Aug 20, 6:03 PM EDT	Severe Thunderstorm Warning	FFC	Laurens, Montgomery, Treutlen, Wheeler	42 min
Aug 20, 6:04 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer	41 min
Aug 20, 6:05 PM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Whitfield	40 min
Aug 20, 6:09 PM EDT	Severe Thunderstorm Warning	FFC	Murray	51 min
Aug 20, 6:12 PM EDT	Special Weather Statement	FFC	Dade, Walker	33 min
Aug 20, 6:16 PM EDT	Severe Thunderstorm Warning	FFC	Glascock, Jefferson, Warren	44 min
Aug 20, 6:22 PM EDT	Severe Thunderstorm Warning	FFC	Dade, Walker	53 min
Aug 20, 6:34 PM EDT	Special Weather Statement	FFC	Troup	26 min
Aug 20, 6:47 PM EDT	Severe Thunderstorm Warning	FFC	Troup	20 min
Aug 20, 6:50 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Gilmer, Pickens	40 min
Aug 20, 7:03 PM EDT	Severe Thunderstorm Warning	FFC	Gordon, Murray, Walker, Whitfield	32 min
Aug 20, 7:16 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Muscogee, Talbot	44 min
Aug 20, 7:47 PM EDT	Special Weather Statement	FFC	Floyd	28 min

Nearby

Flash Flood Warnings in Georgia, 2014 Every flash flood warning in 2014

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.