Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 182, NWS Atlanta, GA

August 20, 20144 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 20, 2014, 2:48 PM EDT for 4 counties in Georgia. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 20, 2014, 2:48 PM EDT (18:48 UTC)
Expired: Aug 20, 2014, 3:30 PM EDT
In force: 42 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Coweta County, GA, Fayette County, GA, Meriwether County, GA, Pike County, GA

The radar

The Atlanta radar (KFFC), 25 km from the middle of the area, began a volume at 18:48 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 12:00Z, 6.8 hours before the alert went out and 27 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.

598 
WUUS52 KFFC 201848
SVRFFC
GAC077-113-199-231-201930-
/O.NEW.KFFC.SV.W.0182.140820T1848Z-140820T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
248 PM EDT WED AUG 20 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTH CENTRAL FAYETTE COUNTY IN NORTH CENTRAL GEORGIA
  SOUTHEASTERN COWETA COUNTY IN WEST CENTRAL GEORGIA
  NORTHEASTERN MERIWETHER COUNTY IN WEST CENTRAL GEORGIA
  WESTERN PIKE COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 330 PM EDT

* AT 244 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED NEAR
  HARALSON...MOVING SOUTH AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  GAY...GREENVILLE AND WOODBURY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN 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 3328 8470 3327 8448 3326 8448 3325 8451
      3318 8449 3297 8451 3297 8454 3295 8452
      3296 8474
TIME...MOT...LOC 1849Z 003DEG 19KT 3318 8460

$$

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, 2:50 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, 6:29 PM EDT	Flash Flood Warning	FFC	Fannin, Gilmer, Union	6 hr
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

Severe Thunderstorm Warnings in Georgia, 2014 Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.