Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 68, NWS Atlanta, GA

March 31, 2012Gordon County, Murray County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 31, 2012, 6:12 PM EDT for Gordon County, Murray County, Georgia. It was in force for 37 min. 3 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: Mar 31, 2012, 6:12 PM EDT (22:12 UTC)
Expired: Mar 31, 2012, 6:49 PM EDT
In force: 37 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Gordon County, GA, Murray County, GA

The radar

The Northeast Alabama radar (KHTX), 116 km from the middle of the area, began a volume at 22:15 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
Mar 31, 6:32 PM EDT	HAIL 1.75	4 Ene Resaca, GA	SEVERAL REPORTS OF QUARTER TO GOLF BALL SIZE HAIL WERE REPORTED IN THE RESACA AREA. PUBLIC RELAYED A REPORT TO THE MEDIA OF GOLF BALL SIZED HAIL CAUSING DAMAGE TO CARS AT 632 PM. PUBLIC ALSO REPORTED HAIL LARGER THAN AN INCH IN DIAMETER LITTERING A RESIDENTIAL
Mar 31, 6:33 PM EDT	HAIL 1	10 Ese Tilton, GA	PUBLIC REPORTED QUARTER SIZE HAIL FROM A LOCATION OFF OF BRACKETT RIDGE ROAD.
Mar 31, 6:35 PM EDT	HAIL 1	4 Ene Resaca, GA	PUBLIC REPORTED HAIL LARGER THAN AN INCH IN DIAMETER LITTERING HIS LAWN OFF NICKLASVILLE ROAD IN RESACA BETWEEN 635 PM EDT AND 645 PM EDT. HAIL DAMAGED TRUCK AND WINDOW COVERINGS AT THE RESIDENCE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 31, 1:47 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.2 hours before the alert went out and 151 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: 399 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 649 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -37 m²/s²
0-3 km storm-relative helicity: 0 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -0.6

Open this sounding in Storm Lab

The text

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

479 
WUUS52 KFFC 312212
SVRFFC
GAC129-213-312300-
/O.NEW.KFFC.SV.W.0068.120331T2212Z-120331T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
612 PM EDT SAT MAR 31 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL GORDON COUNTY IN NORTHWEST GEORGIA
  SOUTHERN MURRAY COUNTY IN NORTHWEST GEORGIA

* UNTIL 700 PM EDT

* AT 610 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 NEAR NORTH
  GEORGIA SPEEDWAY...MOVING SOUTHEAST AT 15 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  RAMHURST...NICKELSVILLE...AUDUBON...REDBUD AND CARTERS.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
SATURDAY EVENING FOR NORTHWESTERN GEORGIA.

&&

LAT...LON 3466 8465 3462 8465 3449 8483 3461 8494
      3463 8491 3468 8494 3467 8489 3471 8494
      3470 8489 3472 8485 3473 8487 3473 8486
      3479 8487 3480 8484 3481 8486 3482 8485
TIME...MOT...LOC 2212Z 319DEG 14KT 3472 8490

$$

1 follow-up statement

342 
WWUS52 KFFC 312249
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
649 PM EDT SAT MAR 31 2012

GAC129-213-312300-
/O.CAN.KFFC.SV.W.0068.000000T0000Z-120331T2300Z/
MURRAY GA-GORDON GA-
649 PM EDT SAT MAR 31 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL GORDON AND
SOUTHERN MURRAY COUNTIES IS CANCELLED...

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
AUDUBON...REDBUD AND CARTERS.

THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER EXPECTED TO PRODUCE
SEVERE WEATHER. HOWEVER...STRONG GUSTY WINDS UP TO 45 MPH...VERY
HEAVY RAIN...AND SMALL HAIL ARE STILL POSSIBLE WITH THIS STORM.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
SATURDAY EVENING FOR NORTHWESTERN GEORGIA.

LAT...LON 3466 8465 3462 8465 3449 8483 3461 8494
      3463 8491 3468 8494 3467 8489 3471 8494
      3470 8489 3472 8485 3473 8487 3473 8486
      3479 8487 3480 8484 3481 8486 3482 8485
TIME...MOT...LOC 2250Z 319DEG 14KT 3461 8478

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 30, 9:24 PM EDT	Special Weather Statement	FFC	Forsyth	36 min
Mar 31, 7:49 AM EDT	Special Weather Statement	FFC	Chattahoochee	26 min
Mar 31, 7:51 AM EDT	Special Weather Statement	FFC	Chattahoochee	24 min
Mar 31, 4:47 PM EDT	Special Weather Statement	FFC	Catoosa, Whitfield	28 min
Mar 31, 5:14 PM EDT	Special Weather Statement	FFC	Catoosa, Whitfield	31 min
Mar 31, 5:44 PM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Whitfield	46 min
Mar 31, 5:48 PM EDT	Special Weather Statement	FFC	Floyd	27 min
Mar 31, 6:27 PM EDT	Severe Thunderstorm Warning	FFC	Gordon, Murray, Whitfield	48 min
Mar 31, 6:56 PM EDT	Severe Thunderstorm Warning	FFC	Bartow	49 min
Mar 31, 7:02 PM EDT	Special Weather Statement	FFC	Hall	28 min
Mar 31, 7:26 PM EDT	Special Weather Statement	FFC	Hall	34 min
Mar 31, 7:31 PM EDT	Special Weather Statement	FFC	Whitfield	29 min
Mar 31, 7:46 PM EDT	Special Weather Statement	FFC	Cherokee	29 min
Mar 31, 7:54 PM EDT	Special Weather Statement	FFC	Jackson	36 min
Mar 31, 7:56 PM EDT	Special Weather Statement	FFC	Gordon	34 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.