Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 309, NWS Atlanta, GA

July 27, 2012Harris County, Muscogee County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 27, 2012, 7:02 PM EDT for Harris County, Muscogee County, Georgia. It was in force for 43 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 27, 2012, 7:02 PM EDT (23:02 UTC)
Expired: Jul 27, 2012, 7:45 PM EDT
In force: 43 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Harris County, GA, Muscogee County, GA

What was reported inside it

Time	Report	Where	Remark
Jul 27, 7:20 PM EDT	TSTM WND DMG	3 N Columbus, GA	MUSCOGEE COUNTY 911 RELAYED A REPORT OF SEVERAL TREES DOWN IN NORTH COLUMBUS. 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, 11.0 hours before the alert went out and 90 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: 2176 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 726 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -58 m²/s²
0-3 km storm-relative helicity: -22 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.

376 
WUUS52 KFFC 272302
SVRFFC
GAC145-215-272345-
/O.NEW.KFFC.SV.W.0309.120727T2302Z-120727T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
702 PM EDT FRI JUL 27 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HARRIS COUNTY IN WEST CENTRAL GEORGIA
  MUSCOGEE COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 745 PM EDT

* AT 658 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZED
  HAIL...AND DAMAGING WINDS UP TO 60 MPH.  THESE STORMS WERE LOCATED
  ALONG A LINE EXTENDING FROM WAVERLY HALL TO HAMILTON TO 6 MILES
  NORTHWEST OF BIBB CITY...MOVING SOUTHEAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BIBB
  CITY...COLUMBUS...UPATOI AND NORTH FORT BENNING.

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 3287 8475 3284 8470 3257 8469 3255 8467
      3242 8477 3241 8488 3237 8495 3238 8499
      3243 8497 3264 8511 3267 8510 3275 8515
      3277 8512 3281 8517 3285 8515 3287 8519
      3287 8518
TIME...MOT...LOC 2303Z 328DEG 12KT 3272 8477 3266 8487
          3256 8504

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 8:08 PM EDT	Special Weather Statement	FFC	Crawford, Monroe	37 min
Jul 26, 8:15 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford	33 min
Jul 26, 10:29 PM EDT	Special Weather Statement	FFC	Bartow	31 min
Jul 27, 12:00 AM EDT	Special Weather Statement	FFC	Gordon	30 min
Jul 27, 3:53 AM EDT	Heat Advisory	FFC	Bleckley, Crisp, Dodge, Dooly, Emanuel, Houston and 13 more	15 hr
Jul 27, 4:08 AM EDT	Special Weather Statement	FFC	Crisp	52 min
Jul 27, 4:36 AM EDT	Severe Thunderstorm Warning	FFC	Crisp, Wilcox	54 min
Jul 27, 6:03 AM EDT	Special Weather Statement	FFC	Telfair	27 min
Jul 27, 1:19 PM EDT	Special Weather Statement	FFC	Houston, Peach	26 min
Jul 27, 1:26 PM EDT	Special Weather Statement	FFC	Jasper, Putnam	34 min
Jul 27, 1:32 PM EDT	Special Weather Statement	FFC	Sumter	28 min
Jul 27, 1:43 PM EDT	Special Weather Statement	FFC	Dooly, Houston	32 min
Jul 27, 1:52 PM EDT	Special Weather Statement	FFC	Putnam	23 min
Jul 27, 1:54 PM EDT	Special Weather Statement	FFC	Schley, Sumter	36 min
Jul 27, 2:05 PM EDT	Special Weather Statement	FFC	Treutlen	25 min
Jul 27, 2:07 PM EDT	Special Weather Statement	FFC	Dooly, Houston	23 min
Jul 27, 2:25 PM EDT	Special Weather Statement	FFC	Dooly, Houston	35 min
Jul 27, 2:47 PM EDT	Special Weather Statement	FFC	Talbot	28 min
Jul 27, 2:56 PM EDT	Special Weather Statement	FFC	Baldwin	34 min
Jul 27, 3:01 PM EDT	Special Weather Statement	FFC	Bleckley, Crisp, Dooly, Pulaski, Wilcox	29 min
Jul 27, 3:05 PM EDT	Special Weather Statement	FFC	Upson	25 min
Jul 27, 3:26 PM EDT	Special Weather Statement	FFC	Wilkinson	34 min
Jul 27, 3:30 PM EDT	Special Weather Statement	FFC	Washington	30 min
Jul 27, 3:33 PM EDT	Special Weather Statement	FFC	Upson	27 min
Jul 27, 3:35 PM EDT	Special Weather Statement	FFC	Jones	25 min
Jul 27, 3:42 PM EDT	Special Weather Statement	FFC	Morgan	33 min
Jul 27, 3:45 PM EDT	Special Weather Statement	FFC	Polk	30 min
Jul 27, 3:48 PM EDT	Special Weather Statement	FFC	Carroll	27 min
Jul 27, 3:50 PM EDT	Severe Thunderstorm Warning	FFC	Polk	25 min
Jul 27, 3:51 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Hancock, Washington, Wilkinson	39 min
Jul 27, 3:54 PM EDT	Special Weather Statement	FFC	Crawford, Marion, Taylor	36 min
Jul 27, 4:06 PM EDT	Special Weather Statement	FFC	Putnam	24 min
Jul 27, 4:09 PM EDT	Special Weather Statement	FFC	Heard	36 min
Jul 27, 4:22 PM EDT	Special Weather Statement	FFC	Crawford, Taylor	38 min
Jul 27, 4:26 PM EDT	Severe Thunderstorm Warning	FFC	Washington	34 min
Jul 27, 4:35 PM EDT	Special Weather Statement	FFC	Henry, Newton, Rockdale	25 min
Jul 27, 4:39 PM EDT	Severe Thunderstorm Warning	FFC	Coweta	51 min
Jul 27, 4:44 PM EDT	Special Weather Statement	FFC	Fayette	31 min
Jul 27, 4:50 PM EDT	Severe Thunderstorm Warning	FFC	Henry, Newton, Rockdale	40 min
Jul 27, 4:55 PM EDT	Special Weather Statement	FFC	Oconee, Walton	35 min
Jul 27, 4:59 PM EDT	Special Weather Statement	FFC	Jefferson	31 min
Jul 27, 5:01 PM EDT	Severe Thunderstorm Warning	FFC	Jefferson, Washington	44 min
Jul 27, 5:09 PM EDT	Special Weather Statement	FFC	Henry	36 min
Jul 27, 5:12 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Fayette, Spalding	48 min
Jul 27, 5:21 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Henry, Jasper, Newton, Spalding	39 min
Jul 27, 5:24 PM EDT	Special Weather Statement	FFC	Morgan, Oconee, Oglethorpe	36 min
Jul 27, 5:32 PM EDT	Special Weather Statement	FFC	Pike	28 min
Jul 27, 5:44 PM EDT	Special Weather Statement	FFC	Meriwether, Pike	31 min
Jul 27, 5:55 PM EDT	Special Weather Statement	FFC	Butts, Jasper, Lamar, Spalding	35 min
Jul 27, 6:01 PM EDT	Special Weather Statement	FFC	White	29 min
Jul 27, 6:09 PM EDT	Special Weather Statement	FFC	Harris, Meriwether, Pike, Talbot	21 min
Jul 27, 6:13 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Lamar, Monroe, Pike, Spalding, Upson	47 min
Jul 27, 6:42 PM EDT	Special Weather Statement	FFC	Chattooga, Floyd	33 min
Jul 27, 7:00 PM EDT	Special Weather Statement	FFC	Harris, Muscogee, Talbot	30 min
Jul 27, 7:15 PM EDT	Special Weather Statement	FFC	Bartow	30 min
Jul 27, 7:33 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee	42 min
Jul 27, 7:40 PM EDT	Special Weather Statement	FFC	Chattahoochee, Harris, Muscogee, Talbot, Taylor	35 min
Jul 27, 7:49 PM EDT	Special Weather Statement	FFC	Whitfield	26 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.