Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 225, NWS Atlanta, GA

July 21, 20166 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 21, 2016, 2:51 PM EDT for 6 counties in Georgia. It was in force for 39 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: Jul 21, 2016, 2:51 PM EDT (18:51 UTC)
Expired: Jul 21, 2016, 3:30 PM EDT
In force: 39 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Dawson County, GA, Fannin County, GA, Gilmer County, GA, Lumpkin County, GA, Pickens County, GA, Union County, GA

The radar

The Atlanta radar (KFFC), 142 km from the middle of the area, began a volume at 18:50 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, 6.9 hours before the alert went out and 140 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: 1259 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 1185 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 24 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

As transmitted.

416 
WUUS52 KFFC 211851
SVRFFC
GAC085-111-123-187-227-291-211930-
/O.NEW.KFFC.SV.W.0225.160721T1851Z-160721T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
251 PM EDT THU JUL 21 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LUMPKIN COUNTY IN NORTH CENTRAL GEORGIA...
  SOUTHERN GILMER COUNTY IN NORTH CENTRAL GEORGIA...
  SOUTHWESTERN UNION COUNTY IN NORTH CENTRAL GEORGIA...
  NORTHEASTERN PICKENS COUNTY IN NORTH CENTRAL GEORGIA...
  SOUTHEASTERN FANNIN COUNTY IN NORTH CENTRAL GEORGIA...
  NORTHWESTERN DAWSON COUNTY IN NORTH CENTRAL GEORGIA...

* UNTIL 330 PM EDT

* AT 251 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 7 MILES WEST OF SUCHES TO NEAR EAST ELLIJAY...MOVING
  SOUTHEAST AT 15 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  DAHLONEGA...JASPER...EAST ELLIJAY...SUCHES...AMICALOLA FALLS STATE
  PARK...PISGAH...STOVER CREEK SHELTER...TALONA...LEN FOOTE HIKE
  INN... BLACK GAP SHELTER...FAUSETT LAKE...LAKE
  TAMARACK...JUNO...NIMBLEWILL... HAWK MOUNTAIN SHELTER...GOOCH
  MOUNTAIN SHELTER...AURARIA...PORTER SPRINGS...ROY AND GADDISTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

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 3463 8387 3446 8401 3446 8447 3465 8457
      3475 8412
TIME...MOT...LOC 1851Z 299DEG 11KT 3469 8416 3464 8443 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 20, 9:30 PM EDT	Special Weather Statement	FFC	Taliaferro	30 min
Jul 20, 9:43 PM EDT	Special Weather Statement	FFC	DeKalb	32 min
Jul 20, 10:19 PM EDT	Special Weather Statement	FFC	DeKalb	26 min
Jul 20, 10:34 PM EDT	Special Weather Statement	FFC	Taliaferro	56 min
Jul 20, 10:51 PM EDT	Flash Flood Warning	FFC	Taliaferro, Wilkes	6 hr
Jul 20, 11:22 PM EDT	Special Weather Statement	FFC	Wilkes	23 min
Jul 20, 11:43 PM EDT	Special Weather Statement	FFC	Wilkes	32 min
Jul 21, 1:59 PM EDT	Special Weather Statement	FFC	Coweta	31 min
Jul 21, 2:03 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Coweta, Heard	42 min
Jul 21, 2:08 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Houston, Peach	31 min
Jul 21, 2:18 PM EDT	Special Weather Statement	FFC	Lumpkin, White	42 min
Jul 21, 2:41 PM EDT	Special Weather Statement	FFC	Wilkes	34 min
Jul 21, 2:51 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Douglas, Fulton	39 min
Jul 21, 3:02 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Oglethorpe, Taliaferro, Wilkes	43 min
Jul 21, 3:04 PM EDT	Severe Thunderstorm Warning	FFC	Wilkes	41 min
Jul 21, 3:32 PM EDT	Special Weather Statement	FFC	Douglas	28 min
Jul 21, 3:36 PM EDT	Special Weather Statement	FFC	Dawson	54 min
Jul 21, 3:39 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee, Forsyth, Pickens	51 min
Jul 21, 3:40 PM EDT	Special Weather Statement	FFC	Bartow	35 min
Jul 21, 3:44 PM EDT	Severe Thunderstorm Warning	FFC	Taliaferro, Warren, Wilkes	46 min
Jul 21, 3:59 PM EDT	Special Weather Statement	FFC	Gwinnett	31 min
Jul 21, 4:03 PM EDT	Severe Thunderstorm Warning	FFC	Gwinnett, Walton	42 min
Jul 21, 4:09 PM EDT	Special Weather Statement	FFC	Clarke	36 min
Jul 21, 4:21 PM EDT	Special Weather Statement	FFC	Forsyth	24 min
Jul 21, 4:26 PM EDT	Special Weather Statement	FFC	Bartow	34 min
Jul 21, 4:28 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Fulton, Gwinnett	47 min
Jul 21, 4:34 PM EDT	Severe Thunderstorm Warning	FFC	Gilmer, Gordon, Murray, Pickens	41 min
Jul 21, 4:38 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Paulding, Polk	52 min
Jul 21, 4:41 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Fulton	49 min
Jul 21, 4:43 PM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Muscogee	47 min
Jul 21, 4:49 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Henry, Spalding	41 min
Jul 21, 5:04 PM EDT	Special Weather Statement	FFC	Newton, Rockdale	26 min
Jul 21, 5:10 PM EDT	Special Weather Statement	FFC	Bibb, Twiggs	35 min
Jul 21, 5:12 PM EDT	Special Weather Statement	FFC	Dodge	33 min
Jul 21, 5:14 PM EDT	Special Weather Statement	FFC	Stewart	31 min
Jul 21, 5:18 PM EDT	Special Weather Statement	FFC	Floyd	27 min
Jul 21, 5:21 PM EDT	Special Weather Statement	FFC	Bleckley	24 min
Jul 21, 5:32 PM EDT	Special Weather Statement	FFC	DeKalb, Gwinnett	58 min
Jul 21, 5:35 PM EDT	Severe Thunderstorm Warning	FFC	Houston, Peach	40 min
Jul 21, 5:36 PM EDT	Special Weather Statement	FFC	Henry	24 min
Jul 21, 5:45 PM EDT	Severe Thunderstorm Warning	FFC	Chattahoochee, Harris, Marion, Muscogee, Talbot	45 min
Jul 21, 5:50 PM EDT	Special Weather Statement	FFC	Twiggs	25 min
Jul 21, 5:50 PM EDT	Severe Thunderstorm Warning	FFC	Morgan, Newton, Walton	40 min
Jul 21, 5:58 PM EDT	Severe Thunderstorm Warning	FFC	Barrow, Jackson, Oconee, Walton	47 min
Jul 21, 6:11 PM EDT	Special Weather Statement	FFC	Chattahoochee, Muscogee	34 min
Jul 21, 6:14 PM EDT	Special Weather Statement	FFC	Pulaski	31 min
Jul 21, 6:24 PM EDT	Special Weather Statement	FFC	Laurens	36 min
Jul 21, 6:26 PM EDT	Special Weather Statement	FFC	Montgomery, Treutlen	34 min
Jul 21, 6:32 PM EDT	Special Weather Statement	FFC	Marion, Schley, Taylor	28 min
Jul 21, 6:38 PM EDT	Special Weather Statement	FFC	Bibb	52 min
Jul 21, 6:45 PM EDT	Severe Thunderstorm Warning	FFC	Jasper, Jones	45 min
Jul 21, 7:18 PM EDT	Special Weather Statement	FFC	Johnson	27 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2016 Every severe thunderstorm warning in 2016

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.