Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 216, NWS Atlanta, GA

August 21, 2014Meriwether County, Talbot County, Upson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 21, 2014, 3:52 PM EDT for Meriwether County, Talbot County, Upson County, Georgia. It was in force for 38 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 21, 2014, 3:52 PM EDT (19:52 UTC)
Expired: Aug 21, 2014, 4:30 PM EDT
In force: 38 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Meriwether County, GA, Talbot County, GA, Upson County, GA

The radar

The Atlanta radar (KFFC), 55 km from the middle of the area, began a volume at 19:55 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, 7.9 hours before the alert went out and 54 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: 525 J/kg
Mixed-layer CIN: -233 J/kg
Mixed-layer LCL: 1212 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 53 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.

856 
WUUS52 KFFC 211952
SVRFFC
GAC199-263-293-212030-
/O.NEW.KFFC.SV.W.0216.140821T1952Z-140821T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
352 PM EDT THU AUG 21 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN MERIWETHER COUNTY IN WEST CENTRAL GEORGIA
  NORTH CENTRAL TALBOT COUNTY IN WEST CENTRAL GEORGIA
  WEST CENTRAL UPSON COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 430 PM EDT

* AT 351 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 SPREWELL BLUFF STATE PARK...
  MOVING SOUTHEAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CREST...SUNNYSIDE...ROWLAND AND BIG LAZER CREEK WMA.

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 3292 8433 3277 8441 3287 8455 3294 8451
TIME...MOT...LOC 1953Z 293DEG 11KT 3289 8448

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 20, 10:36 PM EDT	Special Weather Statement	FFC	Haralson	24 min
Aug 20, 10:45 PM EDT	Special Weather Statement	FFC	Heard	30 min
Aug 20, 11:06 PM EDT	Special Weather Statement	FFC	Douglas	24 min
Aug 21, 2:22 PM EDT	Special Weather Statement	FFC	Troup	23 min
Aug 21, 2:25 PM EDT	Severe Thunderstorm Warning	FFC	Heard, Troup	50 min
Aug 21, 2:52 PM EDT	Special Weather Statement	FFC	Heard	38 min
Aug 21, 2:55 PM EDT	Special Weather Statement	FFC	Taylor	35 min
Aug 21, 3:15 PM EDT	Special Weather Statement	FFC	Coweta	30 min
Aug 21, 3:20 PM EDT	Special Weather Statement	FFC	Meriwether	25 min
Aug 21, 3:24 PM EDT	Heat Advisory	FFC	Baldwin, Bibb, Bleckley, Chattahoochee, Crawford, Crisp and 30 more	29 hr
Aug 21, 3:27 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Fayette, Meriwether, Pike, Spalding	29 min
Aug 21, 4:03 PM EDT	Special Weather Statement	FFC	Coweta, Fayette	27 min
Aug 21, 4:39 PM EDT	Special Weather Statement	FFC	Muscogee	36 min
Aug 21, 4:41 PM EDT	Special Weather Statement	FFC	Sumter	34 min
Aug 21, 4:50 PM EDT	Special Weather Statement	FFC	Morgan, Walton	25 min
Aug 21, 5:05 PM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Marion, Muscogee, Talbot	25 min
Aug 21, 5:39 PM EDT	Special Weather Statement	FFC	Stewart	36 min
Aug 21, 6:16 PM EDT	Special Weather Statement	FFC	Stewart	29 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.