Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 242, NWS Atlanta, GA

July 6, 2012Jasper County, Jones County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 6, 2012, 5:27 PM EDT for Jasper County, Jones County, Georgia. It was in force for 33 min. 2 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: Jul 6, 2012, 5:27 PM EDT (21:27 UTC)
Expired: Jul 6, 2012, 6:00 PM EDT
In force: 33 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Jasper County, GA, Jones County, GA

The radar

The Robins AFB radar (KJGX), 51 km from the middle of the area, began a volume at 21:28 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
Jul 6, 5:28 PM EDT	TSTM WND DMG	3 E Round Oak, GA	JONES COUNTY 911 RELAYED A REPORT OF TWO TREES DOWN EAST OF ROUND OAK. TIME IS BASED ON RADAR.
Jul 6, 5:32 PM EDT	TSTM WND DMG	Hillsboro, GA	JASPER COUNTY 911 RELAYED A REPORT OF A CHICKEN COOP DESTROYED. TIME IS BASED ON RADAR.

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, 9.5 hours before the alert went out and 87 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: 434 J/kg
Mixed-layer CIN: -200 J/kg
Mixed-layer LCL: 1135 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 13 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

574 
WUUS52 KFFC 062127
SVRFFC
GAC159-169-062200-
/O.NEW.KFFC.SV.W.0242.120706T2127Z-120706T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
527 PM EDT FRI JUL 6 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN JASPER COUNTY IN CENTRAL GEORGIA
  NORTHERN JONES COUNTY IN CENTRAL GEORGIA

* UNTIL 600 PM EDT

* AT 523 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 GRAY...NEARLY STATIONARY. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CLINTON...BRADLEY...JARRELL PLANTATION...WAYSIDE...ROUND OAK AND
  HILLSBORO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

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 3301 8373 3303 8372 3307 8375 3319 8370
      3316 8346 3294 8340
TIME...MOT...LOC 2127Z 103DEG 3KT 3308 8353

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 8:00 PM EDT	Severe Thunderstorm Warning	FFC	Floyd, Polk	45 min
Jul 5, 8:00 PM EDT	Severe Thunderstorm Warning	FFC	Towns, Union, White	30 min
Jul 5, 8:06 PM EDT	Special Weather Statement	FFC	Murray	24 min
Jul 5, 8:08 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Fayette, Spalding	52 min
Jul 5, 8:15 PM EDT	Special Weather Statement	FFC	Dade, Walker	30 min
Jul 5, 8:20 PM EDT	Severe Thunderstorm Warning	FFC	Gilmer, Murray, Pickens	25 min
Jul 5, 8:29 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Henry, Spalding	32 min
Jul 5, 8:31 PM EDT	Special Weather Statement	FFC	Monroe	29 min
Jul 5, 8:36 PM EDT	Special Weather Statement	FFC	Hancock	24 min
Jul 5, 8:42 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee	33 min
Jul 5, 8:52 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Chattooga, Floyd, Polk	38 min
Jul 5, 8:54 PM EDT	Special Weather Statement	FFC	Pike	36 min
Jul 5, 9:05 PM EDT	Special Weather Statement	FFC	Monroe	25 min
Jul 5, 9:10 PM EDT	Severe Thunderstorm Warning	FFC	Lamar, Monroe	37 min
Jul 5, 9:19 PM EDT	Special Weather Statement	FFC	Bartow	26 min
Jul 5, 9:45 PM EDT	Special Weather Statement	FFC	Emanuel	30 min
Jul 5, 9:52 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Oglethorpe	53 min
Jul 5, 10:07 PM EDT	Special Weather Statement	FFC	Cobb	38 min
Jul 5, 10:21 PM EDT	Special Weather Statement	FFC	Gwinnett	24 min
Jul 5, 10:52 PM EDT	Special Weather Statement	FFC	Greene	23 min
Jul 5, 11:02 PM EDT	Special Weather Statement	FFC	Emanuel	28 min
Jul 5, 11:10 PM EDT	Special Weather Statement	FFC	Putnam	35 min
Jul 5, 11:27 PM EDT	Special Weather Statement	FFC	Jefferson	33 min
Jul 5, 11:44 PM EDT	Special Weather Statement	FFC	Emanuel	31 min
Jul 5, 11:57 PM EDT	Special Weather Statement	FFC	Washington	33 min
Jul 6, 12:07 AM EDT	Special Weather Statement	FFC	Jefferson	38 min
Jul 6, 12:28 AM EDT	Special Weather Statement	FFC	Stewart	47 min
Jul 6, 12:45 AM EDT	Special Weather Statement	FFC	Washington	45 min
Jul 6, 12:59 AM EDT	Special Weather Statement	FFC	Emanuel	31 min
Jul 6, 1:35 AM EDT	Special Weather Statement	FFC	Emanuel, Treutlen	40 min
Jul 6, 3:09 PM EDT	Special Weather Statement	FFC	Hancock	36 min
Jul 6, 3:50 PM EDT	Special Weather Statement	FFC	Taliaferro	25 min
Jul 6, 4:05 PM EDT	Special Weather Statement	FFC	Hancock	25 min
Jul 6, 4:32 PM EDT	Special Weather Statement	FFC	Hancock	28 min
Jul 6, 4:40 PM EDT	Special Weather Statement	FFC	Warren	35 min
Jul 6, 4:50 PM EDT	Special Weather Statement	FFC	Montgomery, Wheeler	25 min
Jul 6, 5:00 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Washington, Wilkinson	30 min
Jul 6, 5:07 PM EDT	Special Weather Statement	FFC	Lumpkin	38 min
Jul 6, 5:15 PM EDT	Special Weather Statement	FFC	Montgomery, Treutlen	45 min
Jul 6, 5:22 PM EDT	Special Weather Statement	FFC	Warren	23 min
Jul 6, 5:24 PM EDT	Special Weather Statement	FFC	Greene, Morgan, Newton, Putnam, Taliaferro, Wilkes	36 min
Jul 6, 5:29 PM EDT	Special Weather Statement	FFC	Emanuel	46 min
Jul 6, 5:38 PM EDT	Special Weather Statement	FFC	Washington, Wilkinson	37 min
Jul 6, 5:46 PM EDT	Special Weather Statement	FFC	Gilmer	44 min
Jul 6, 5:59 PM EDT	Special Weather Statement	FFC	Taylor	31 min
Jul 6, 6:03 PM EDT	Special Weather Statement	FFC	Johnson	42 min
Jul 6, 6:23 PM EDT	Special Weather Statement	FFC	Jasper	52 min
Jul 6, 6:26 PM EDT	Special Weather Statement	FFC	Laurens	49 min
Jul 6, 6:30 PM EDT	Severe Thunderstorm Warning	FFC	Jasper	45 min
Jul 6, 6:52 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Laurens, Twiggs, Wilkinson	38 min
Jul 6, 6:57 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Henry, Rockdale	48 min
Jul 6, 7:23 PM EDT	Special Weather Statement	FFC	Bartow	52 min
Jul 6, 7:24 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Fayette, Henry	36 min
Jul 6, 7:29 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd, Gordon	46 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012 Every severe thunderstorm warning in 2012

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.