Alert archive / Georgia / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 207, NWS Atlanta, GA

May 30, 2017Butts County, Jasper County, Monroe County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 30, 2017, 5:15 PM EDT for Butts County, Jasper County, Monroe County, Georgia. It was in force for 30 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: May 30, 2017, 5:15 PM EDT (21:15 UTC)
Expired: May 30, 2017, 5:45 PM EDT
In force: 30 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Butts County, GA, Jasper County, GA, Monroe County, GA

The radar

The Atlanta radar (KFFC), 65 km from the middle of the area, began a volume at 21:19 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, 9.3 hours before the alert went out and 59 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: 218 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 1026 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 22 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

As transmitted.

044 
WUUS52 KFFC 302115
SVRFFC
GAC035-159-207-302145-
/O.NEW.KFFC.SV.W.0207.170530T2115Z-170530T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
515 PM EDT TUE MAY 30 2017

The National Weather Service in Peachtree City has issued a

* Severe Thunderstorm Warning for...
  Northeastern Monroe County in central Georgia...
  Southeastern Butts County in central Georgia...
  Southwestern Jasper County in central Georgia...

* Until 545 PM EDT

* At 515 PM EDT, a severe thunderstorm was located over Jackson,
  moving east at 20 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...
  Jackson, Monticello, Flovilla, High Falls State Park, Blount,
  McElheneys Crossroads, Berner and Indian Springs State Park.

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 3333 8401 3331 8370 3315 8372 3313 8381
      3313 8382 3311 8380 3312 8382 3318 8404
      3320 8404 3320 8406
TIME...MOT...LOC 2115Z 274DEG 19KT 3326 8398 

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
May 29, 8:36 PM EDT	Special Weather Statement	FFC	Gilmer	39 min
May 29, 8:45 PM EDT	Special Weather Statement	FFC	Peach, Taylor	60 min
May 29, 9:20 PM EDT	Special Weather Statement	FFC	Paulding, Polk	55 min
May 29, 10:15 PM EDT	Special Weather Statement	FFC	Cherokee, Cobb, Fulton, Paulding	60 min
May 30, 11:58 AM EDT	Special Weather Statement	FFC	Bartow, Cherokee, Floyd	47 min
May 30, 12:52 PM EDT	Special Weather Statement	FFC	Chattooga	23 min
May 30, 1:17 PM EDT	Special Weather Statement	FFC	Chattooga	28 min
May 30, 3:32 PM EDT	Special Weather Statement	FFC	Carroll, Douglas	28 min
May 30, 3:54 PM EDT	Special Weather Statement	FFC	Carroll	36 min
May 30, 4:30 PM EDT	Special Weather Statement	FFC	Henry, Spalding	30 min
May 30, 4:45 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Henry, Spalding	30 min
May 30, 5:09 PM EDT	Special Weather Statement	FFC	Crawford	36 min
May 30, 5:32 PM EDT	Special Weather Statement	FFC	Jones	28 min
May 30, 5:48 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Jasper, Jones, Putnam	27 min
May 30, 6:15 PM EDT	Special Weather Statement	FFC	Baldwin	30 min
May 30, 6:45 PM EDT	Special Weather Statement	FFC	Washington	30 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.