Alert archive / Georgia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 129, NWS Atlanta, GA

June 13, 2018Laurens County, Treutlen County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 13, 2018, 6:48 PM EDT for Laurens County, Treutlen County, Georgia. It was in force for 42 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 13, 2018, 6:48 PM EDT (22:48 UTC)
Expired: Jun 13, 2018, 7:30 PM EDT
In force: 42 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Laurens County, GA, Treutlen County, GA

The radar

The Robins AFB radar (KJGX), 64 km from the middle of the area, began a volume at 22:51 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.

What was reported inside it

Time	Report	Where	Remark
Jun 13, 6:48 PM EDT	TSTM WND DMG	4 Nw Lowery, GA	A TREE WAS REPORTED DOWN NEAR THE INTERSECTION OF HIGHWAY 19 AND SOUTH POPLAR SPRINGS ROAD.
Jun 13, 6:56 PM EDT	TSTM WND DMG	5 Ne Rentz, GA	A TREE WAS REPORTED DOWN ALONG SCOTLAND ROAD.
Jun 13, 7:06 PM EDT	TSTM WND DMG	6 Se Harlow, GA	A TREE WAS REPORTED DOWN ON ROBINSON CHURCH ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.8 hours before the alert went out and 195 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: 693 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 592 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

227 
WUUS52 KFFC 132248
SVRFFC
GAC175-283-132330-
/O.NEW.KFFC.SV.W.0129.180613T2248Z-180613T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
648 PM EDT WED JUN 13 2018

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  East central Laurens County in central Georgia...
  Western Treutlen County in east central Georgia...

* Until 730 PM EDT.

* At 648 PM EDT, a severe thunderstorm was located near Lowery, or 10
  miles southeast of Dublin, moving northeast at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Soperton, Lothair, Orland, Rockledge, Orianna, Lowery, Barnhill and
  Minter.

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 3229 8288 3244 8295 3255 8267 3252 8267
      3251 8262 3233 8253
TIME...MOT...LOC 2248Z 240DEG 19KT 3240 8283 

HAIL...<.75IN
WIND...60MPH
 
$$

1 follow-up statement

967 
WWUS52 KFFC 132321
SVSFFC

Severe Weather Statement
National Weather Service Peachtree City GA
721 PM EDT WED JUN 13 2018

GAC175-283-132330-
/O.EXP.KFFC.SV.W.0129.000000T0000Z-180613T2330Z/
Laurens GA-Treutlen GA-
721 PM EDT WED JUN 13 2018

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LAURENS AND
WESTERN TREUTLEN COUNTIES WILL EXPIRE AT 730 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

LAT...LON 3229 8288 3244 8295 3255 8267 3252 8267
      3251 8262 3233 8253
TIME...MOT...LOC 2320Z 240DEG 19KT 3249 8265 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 8:14 PM EDT	Special Weather Statement	FFC	Pike	31 min
Jun 12, 8:29 PM EDT	Special Weather Statement	FFC	Laurens	31 min
Jun 13, 2:33 PM EDT	Special Weather Statement	FFC	Chattooga	42 min
Jun 13, 3:05 PM EDT	Special Weather Statement	FFC	Lamar	25 min
Jun 13, 4:25 PM EDT	Special Weather Statement	FFC	Toombs	35 min
Jun 13, 4:27 PM EDT	Special Weather Statement	FFC	Bibb	33 min
Jun 13, 4:42 PM EDT	Special Weather Statement	FFC	Bartow	33 min
Jun 13, 4:56 PM EDT	Special Weather Statement	FFC	Jones	34 min
Jun 13, 5:34 PM EDT	Special Weather Statement	FFC	Cherokee	26 min
Jun 13, 5:56 PM EDT	Special Weather Statement	FFC	Bleckley	34 min
Jun 13, 6:02 PM EDT	Special Weather Statement	FFC	Dawson	28 min
Jun 13, 6:09 PM EDT	Special Weather Statement	FFC	Bleckley	36 min
Jun 13, 6:19 PM EDT	River Flood Warning	FFC	Gwinnett	71 min
Jun 13, 6:27 PM EDT	Special Weather Statement	FFC	Rockdale, Walton	33 min
Jun 13, 6:34 PM EDT	Special Weather Statement	FFC	Treutlen	26 min
Jun 13, 6:59 PM EDT	Special Weather Statement	FFC	Rockdale	31 min
Jun 13, 7:22 PM EDT	Special Weather Statement	FFC	Treutlen	38 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2018 Every severe thunderstorm warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.