Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 314, NWS Atlanta, GA

August 6, 2017Bartow County, Gordon County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Aug 6, 2017, 5:03 PM EDT for Bartow County, Gordon County, Georgia. It was in force for 27 min. 1 report 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: Aug 6, 2017, 5:03 PM EDT (21:03 UTC)
Expired: Aug 6, 2017, 5:30 PM EDT
In force: 27 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bartow County, GA, Gordon County, GA

The radar

The Atlanta radar (KFFC), 114 km from the middle of the area, began a volume at 21:06 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
Aug 6, 5:24 PM EDT	TSTM WND DMG	Sonoraville, GA	A CABLE LINE WAS REPORTED DOWN ON HIGHWAY 53 NEAR SONORAVILLE ELEMENTARY SCHOOL.

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, 9.1 hours before the alert went out and 115 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: 942 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 782 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

132 
WUUS52 KFFC 062103
SVRFFC
GAC015-129-062130-
/O.NEW.KFFC.SV.W.0314.170806T2103Z-170806T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
503 PM EDT SUN AUG 6 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Southeastern Gordon County in northwestern Georgia...
  Northern Bartow County in northwestern Georgia...

* Until 530 PM EDT

* At 502 PM EDT, a severe thunderstorm was located near Kingston, or
  12 miles east of Rome, moving northeast at 30 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. 

* Locations impacted include...
  Cartersville, Calhoun, Adairsville, White, Kingston, Cassville,
  Fairmount, Ranger, Sonoraville, Redbud, Folsom, Pine Log and
  Funkhouser.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

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 3448 8465 3430 8466 3419 8499 3423 8503
      3425 8502 3425 8501 3426 8502 3435 8502
      3435 8501 3439 8501 3439 8502 3454 8484
TIME...MOT...LOC 2102Z 233DEG 27KT 3430 8497 

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
Aug 6, 2:24 PM EDT	Special Weather Statement	FFC	Jefferson	36 min
Aug 6, 3:28 PM EDT	Special Weather Statement	FFC	Putnam	32 min
Aug 6, 3:58 PM EDT	Special Weather Statement	FFC	Hancock	32 min
Aug 6, 4:29 PM EDT	Special Weather Statement	FFC	Glascock, Washington	31 min
Aug 6, 4:32 PM EDT	Severe Thunderstorm Warning	FFC	Glascock, Jefferson, Washington	28 min
Aug 6, 4:56 PM EDT	Special Weather Statement	FFC	Bartow, Gordon	34 min
Aug 6, 5:32 PM EDT	Special Weather Statement	FFC	Cherokee	28 min
Aug 6, 5:59 PM EDT	Special Weather Statement	FFC	Cherokee, Gilmer, Murray, Pickens	46 min
Aug 6, 7:10 PM EDT	Special Weather Statement	FFC	Floyd	35 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.