Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 38, NWS Atlanta, GA

February 7, 20175 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 7, 2017, 6:10 PM EST for 5 counties in Georgia. It was in force for 50 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: Feb 7, 2017, 6:10 PM EST (23:10 UTC)
Expired: Feb 7, 2017, 7:00 PM EST
In force: 50 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Crisp County, GA, Dodge County, GA, Dooly County, GA, Pulaski County, GA, Wilcox County, GA

The radar

The Robins AFB radar (KJGX), 76 km from the middle of the area, began a volume at 23:12 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, 11.2 hours before the alert went out and 173 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1498 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 142 m²/s²
0-3 km storm-relative helicity: 172 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

286 
WUUS52 KFFC 072310
SVRFFC
GAC081-091-093-235-315-080000-
/O.NEW.KFFC.SV.W.0038.170207T2310Z-170208T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
610 PM EST TUE FEB 7 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Western Dodge County in central Georgia...
  Pulaski County in central Georgia...
  Wilcox County in central Georgia...
  Eastern Dooly County in central Georgia...
  Crisp County in central Georgia...

* Until 700 PM EST

* At 610 PM EST, severe thunderstorms were located extending from
  near Browndale to near Tippettville to near Warwick, moving east at
  40 mph.

  HAZARD...60 mph wind gusts and penny size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Cordele, Eastman, Hawkinsville, Abbeville, Rochelle, Arabi,
  Pineview, Pitts, Union, Dubois, Mock Springs, Seville, Ocmulgee
  Banks, Finleyson, Pleasant View, Tippettville, Raines, Double Run,
  Wenona and Godwinsville.

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 3181 8383 3183 8384 3182 8385 3184 8386
      3185 8391 3213 8367 3229 8365 3229 8337
      3227 8335 3229 8334 3230 8331 3234 8316
      3216 8311 3185 8334 3185 8361 3180 8361
      3180 8379
TIME...MOT...LOC 2310Z 264DEG 35KT 3231 8364 3214 8364 3182 8386 

TORNADO...POSSIBLE
HAIL...0.75IN
WIND...60MPH
 
$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 7, 2:31 PM EST	Special Weather Statement	FFC	Dade	44 min
Feb 7, 3:10 PM EST	Special Weather Statement	FFC	Catoosa, Dade	50 min
Feb 7, 3:50 PM EST	Severe Thunderstorm Warning	FFC	Chattahoochee, Harris, Marion, Meriwether, Muscogee, Talbot and 1 more	40 min
Feb 7, 4:27 PM EST	Severe Thunderstorm Warning	FFC	Chattahoochee, Harris, Marion, Muscogee, Talbot, Taylor	48 min
Feb 7, 4:29 PM EST	Severe Thunderstorm Warning	FFC	Harris, Meriwether, Troup	46 min
Feb 7, 4:48 PM EST	Special Weather Statement	FFC	Macon, Marion, Schley, Sumter, Webster	42 min
Feb 7, 5:04 PM EST	Special Weather Statement	FFC	Taylor, Upson	26 min
Feb 7, 5:08 PM EST	Severe Thunderstorm Warning	FFC	Harris, Meriwether, Pike, Talbot, Upson	37 min
Feb 7, 5:20 PM EST	Severe Thunderstorm Warning	FFC	Macon	25 min
Feb 7, 5:23 PM EST	Special Weather Statement	FFC	Sumter	37 min
Feb 7, 5:24 PM EST	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Monroe, Taylor, Upson	36 min
Feb 7, 5:34 PM EST	Severe Thunderstorm Warning	FFC	Dooly, Sumter	41 min
Feb 7, 5:44 PM EST	Severe Thunderstorm Warning	FFC	Crisp, Dooly, Sumter	31 min
Feb 7, 5:47 PM EST	Special Weather Statement	FFC	Houston, Peach	43 min
Feb 7, 5:58 PM EST	Special Weather Statement	FFC	Jasper, Jones, Monroe	32 min
Feb 7, 6:19 PM EST	Special Weather Statement	FFC	Baldwin, Bleckley, Twiggs, Wilkinson	41 min
Feb 7, 6:52 PM EST	Special Weather Statement	FFC	Baldwin, Bleckley, Hancock, Laurens, Washington, Wilkinson	38 min
Feb 7, 6:56 PM EST	Special Weather Statement	FFC	Dodge, Telfair, Wilcox	49 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2017 Every severe thunderstorm warning in 2017

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.