Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 37, NWS Atlanta, GA

February 7, 2017Crisp County, Dooly County, Sumter County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 7, 2017, 5:44 PM EST for Crisp County, Dooly County, Sumter County, Georgia. It was in force for 31 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, 5:44 PM EST (22:44 UTC)
Expired: Feb 7, 2017, 6:15 PM EST
In force: 31 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Crisp County, GA, Dooly County, GA, Sumter County, GA

The radar

The Robins AFB radar (KJGX), 94 km from the middle of the area, began a volume at 22:45 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, 10.7 hours before the alert went out and 166 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.

731 
WUUS52 KFFC 072244
SVRFFC
GAC081-093-261-072315-
/O.NEW.KFFC.SV.W.0037.170207T2244Z-170207T2315Z/

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

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Southeastern Dooly County in central Georgia...
  Southeastern Sumter County in west central Georgia...
  Northern Crisp County in central Georgia...

* Until 615 PM EST

* At 544 PM EST, a severe thunderstorm was located over Cobb, or 11
  miles west of Cordele, moving northeast at 30 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, Vienna, Leslie, De Soto, Desoto, Cobb, Drayton, Georgia
  Veterans Memorial St Pk, Richwood and Tremont.

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 3190 8393 3191 8392 3191 8404 3198 8411
      3211 8390 3213 8365 3198 8366 3188 8393
TIME...MOT...LOC 2244Z 233DEG 28KT 3196 8397 

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, 5:47 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, 6:10 PM EST	Severe Thunderstorm Warning	FFC	Crisp, Dodge, Dooly, Pulaski, Wilcox	50 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.