Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 297, NWS Atlanta, GA

July 26, 2012Taylor County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 26, 2012, 6:38 PM EDT for Taylor County, Georgia. It was in force for 52 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: Jul 26, 2012, 6:38 PM EDT (22:38 UTC)
Expired: Jul 26, 2012, 7:30 PM EDT
In force: 52 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

County Taylor County, GA

The radar

The Robins AFB radar (KJGX), 93 km from the middle of the area, began a volume at 22:41 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 26, 7:25 PM EDT	TSTM WND DMG	3 S Butler, GA	A FEW TREES AND A FEW POWERLINES DOWN ON SEVERAL ROADS NEAR BUTLER...INCLUDING ED DAVIS ROAD...AMERICUS ROAD...CROSSROAD SCHOOL ROAD...AND NORTH DAVIS ROAD.

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, 10.6 hours before the alert went out and 101 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: 1583 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1146 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -90 m²/s²
0-3 km storm-relative helicity: -45 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.

312 
WUUS52 KFFC 262238
SVRFFC
GAC269-262330-
/O.NEW.KFFC.SV.W.0297.120726T2238Z-120726T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
638 PM EDT THU JUL 26 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TAYLOR COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 730 PM EDT

* AT 636 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED 7 MILES WEST
  OF BUTLER...MOVING EAST AT 10 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WESLEY CHURCH...RUPERT AND FICKLING MILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3240 8433 3238 8435 3243 8438 3241 8439
      3254 8445 3256 8444 3257 8441 3261 8441
      3266 8437 3266 8410 3249 8412 3240 8419
      3240 8425 3237 8426 3237 8432
TIME...MOT...LOC 2238Z 272DEG 10KT 3254 8435

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 4:14 AM EDT	Heat Advisory	FFC	Baldwin, Bibb, Bleckley, Chattahoochee, Clarke, Crawford and 43 more	17 hr
Jul 26, 4:18 PM EDT	Special Weather Statement	FFC	Treutlen	27 min
Jul 26, 4:55 PM EDT	Special Weather Statement	FFC	Webster	35 min
Jul 26, 5:20 PM EDT	Special Weather Statement	FFC	Crawford	25 min
Jul 26, 6:01 PM EDT	Special Weather Statement	FFC	Muscogee	29 min
Jul 26, 6:02 PM EDT	Special Weather Statement	FFC	Talbot	28 min
Jul 26, 6:11 PM EDT	Severe Thunderstorm Warning	FFC	Talbot, Taylor	34 min
Jul 26, 6:27 PM EDT	Special Weather Statement	FFC	Meriwether	33 min
Jul 26, 6:30 PM EDT	Special Weather Statement	FFC	Chattahoochee	30 min
Jul 26, 6:53 PM EDT	Special Weather Statement	FFC	Stewart	37 min
Jul 26, 6:56 PM EDT	Special Weather Statement	FFC	Upson	34 min
Jul 26, 7:12 PM EDT	Special Weather Statement	FFC	Bibb	33 min
Jul 26, 7:13 PM EDT	Special Weather Statement	FFC	Wilkinson	32 min
Jul 26, 7:29 PM EDT	Special Weather Statement	FFC	Monroe	31 min
Jul 26, 7:34 PM EDT	Special Weather Statement	FFC	Stewart	26 min
Jul 26, 7:46 PM EDT	Special Weather Statement	FFC	Marion	29 min
Jul 26, 7:53 PM EDT	Special Weather Statement	FFC	Bibb	37 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.