Alert archive / Georgia / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 150, NWS Atlanta, GA

June 28, 2016Jefferson County, Washington County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 28, 2016, 5:05 PM EDT for Jefferson County, Washington County, Georgia. It was in force for 40 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: Jun 28, 2016, 5:05 PM EDT (21:05 UTC)
Expired: Jun 28, 2016, 5:45 PM EDT
In force: 40 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Jefferson County, GA, Washington County, GA

The radar

The Robins AFB radar (KJGX), 75 km from the middle of the area, began a volume at 21:09 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, 9.1 hours before the alert went out and 183 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: 138 J/kg
Mixed-layer CIN: -158 J/kg
Mixed-layer LCL: 1041 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

775 
WUUS52 KFFC 282105
SVRFFC
GAC163-303-282145-
/O.NEW.KFFC.SV.W.0150.160628T2105Z-160628T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
505 PM EDT TUE JUN 28 2016

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN JEFFERSON COUNTY IN GEORGIA...
  SOUTHEASTERN WASHINGTON COUNTY IN GEORGIA...

* UNTIL 545 PM EDT

* AT 505 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  DAVISBORO...OR 11 MILES EAST OF SANDERSVILLE...MOVING EAST AT 10
  MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  DAVISBORO...BARTOW AND RIDDLEVILLE. 

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 3283 8267 3301 8273 3309 8252 3286 8243
TIME...MOT...LOC 2105Z 254DEG 10KT 3294 8262 

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 9:47 PM EDT	Special Weather Statement	FFC	Banks, Hall	28 min
Jun 28, 2:44 PM EDT	Special Weather Statement	FFC	DeKalb	31 min
Jun 28, 3:00 PM EDT	Special Weather Statement	FFC	Fulton	30 min
Jun 28, 3:19 PM EDT	Special Weather Statement	FFC	Bibb	26 min
Jun 28, 3:29 PM EDT	Special Weather Statement	FFC	Henry	31 min
Jun 28, 3:48 PM EDT	Special Weather Statement	FFC	Greene	27 min
Jun 28, 3:50 PM EDT	Special Weather Statement	FFC	Bibb	25 min
Jun 28, 3:59 PM EDT	Special Weather Statement	FFC	Greene	31 min
Jun 28, 4:06 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Hancock, Putnam	39 min
Jun 28, 4:17 PM EDT	Special Weather Statement	FFC	Fayette	28 min
Jun 28, 4:31 PM EDT	Special Weather Statement	FFC	Washington	29 min
Jun 28, 4:32 PM EDT	Special Weather Statement	FFC	Baldwin	28 min
Jun 28, 4:46 PM EDT	Severe Thunderstorm Warning	FFC	Hancock, Washington	32 min
Jun 28, 4:54 PM EDT	Special Weather Statement	FFC	Hancock	36 min
Jun 28, 5:20 PM EDT	Special Weather Statement	FFC	Glascock	25 min
Jun 28, 6:39 PM EDT	Special Weather Statement	FFC	Dodge	36 min
Jun 28, 7:08 PM EDT	Special Weather Statement	FFC	Toombs	37 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2016 Every severe thunderstorm warning in 2016

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.