Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 110, NWS Atlanta, GA

June 11, 20144 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 11, 2014, 7:05 PM EDT for 4 counties in 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 11, 2014, 7:05 PM EDT (23:05 UTC)
Expired: Jun 11, 2014, 7:45 PM EDT
In force: 40 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Glascock County, GA, Hancock County, GA, Warren County, GA, Washington County, GA

The radar

The Robins AFB radar (KJGX), 93 km from the middle of the area, began a volume at 23:05 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, 11.1 hours before the alert went out and 176 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: 228 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 899 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

633 
WUUS52 KFFC 112305
SVRFFC
GAC125-141-301-303-112345-
/O.NEW.KFFC.SV.W.0110.140611T2305Z-140611T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
705 PM EDT WED JUN 11 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GLASCOCK COUNTY IN EAST CENTRAL GEORGIA
  EASTERN HANCOCK COUNTY IN EAST CENTRAL GEORGIA
  SOUTHERN WARREN COUNTY IN EAST CENTRAL GEORGIA
  NORTH CENTRAL WASHINGTON COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 745 PM EDT

* AT 700 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED NEAR MITCHELL...MOVING NORTHEAST AT 20
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  EDGEHILL...GIBSON...WARRENTON AND NORWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3317 8259 3316 8257 3313 8258 3312 8261
      3313 8266 3310 8265 3307 8274 3316 8291
      3350 8281 3340 8254 3336 8254 3335 8251
      3335 8245 3331 8239
TIME...MOT...LOC 2305Z 225DEG 18KT 3320 8273

$$


16

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 8:21 PM EDT	Special Weather Statement	FFC	Jones	24 min
Jun 10, 8:23 PM EDT	Special Weather Statement	FFC	Pulaski	37 min
Jun 10, 8:30 PM EDT	Special Weather Statement	FFC	Crisp	30 min
Jun 10, 8:50 PM EDT	Severe Thunderstorm Warning	FFC	Montgomery, Toombs	40 min
Jun 10, 9:04 PM EDT	Special Weather Statement	FFC	Bleckley	26 min
Jun 10, 9:27 PM EDT	Special Weather Statement	FFC	Montgomery, Telfair, Treutlen, Wheeler	33 min
Jun 10, 9:58 PM EDT	Special Weather Statement	FFC	Laurens	32 min
Jun 10, 10:22 PM EDT	Special Weather Statement	FFC	Johnson	23 min
Jun 10, 10:49 PM EDT	Special Weather Statement	FFC	Jefferson	26 min
Jun 10, 11:10 PM EDT	Special Weather Statement	FFC	Jefferson	35 min
Jun 11, 4:44 PM EDT	Special Weather Statement	FFC	Emanuel	31 min
Jun 11, 5:26 PM EDT	Special Weather Statement	FFC	Toombs	49 min
Jun 11, 5:37 PM EDT	Special Weather Statement	FFC	Emanuel	23 min
Jun 11, 5:52 PM EDT	Special Weather Statement	FFC	Jefferson	23 min
Jun 11, 6:10 PM EDT	Flash Flood Warning	FFC	Emanuel	6 hr
Jun 11, 6:24 PM EDT	Severe Thunderstorm Warning	FFC	Montgomery, Wheeler	51 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2014 Every severe thunderstorm warning in 2014

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.