Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 199, NWS Atlanta, GA

August 20, 2014Lumpkin County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 20, 2014, 5:16 PM EDT for Lumpkin County, Georgia. It was in force for 44 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, 5:16 PM EDT (21:16 UTC)
Expired: Aug 20, 2014, 6:00 PM EDT
In force: 44 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

County Lumpkin County, GA

The radar

The Atlanta radar (KFFC), 139 km from the middle of the area, began a volume at 21:18 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, 9.3 hours before the alert went out and 136 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.

000 
WUUS52 KFFC 202116
SVRFFC
GAC187-202200-
/O.NEW.KFFC.SV.W.0199.140820T2116Z-140820T2200Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LUMPKIN COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 600 PM EDT

* AT 514 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED NEAR DAHLONEGA...MOVING SOUTHEAST AT
  10 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  GARLAND AND AURARIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

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 3450 8384 3446 8389 3447 8393 3446 8392
      3442 8397 3442 8400 3446 8409 3450 8415
      3457 8419 3460 8419 3462 8418 3466 8410
      3464 8404 3467 8400
TIME...MOT...LOC 2117Z 329DEG 8KT 3457 8406

$$

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, 5:26 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.