Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 27, NWS Atlanta, GA

February 22, 2012Floyd County, Polk County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 22, 2012, 9:53 PM EST for Floyd County, Polk 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: Feb 22, 2012, 9:53 PM EST (02:53 UTC)
Expired: Feb 22, 2012, 10:30 PM EST
In force: 37 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Floyd County, GA, Polk County, GA

The radar

The Northeast Alabama radar (KHTX), 111 km from the middle of the area, began a volume at 02:53 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
Feb 22, 10:12 PM EST	TORNADO 1	2 E Rome, GA	AN EF-1 TORNADO TOUCHED DOWN IN FLOYD COUNTY AROUND 1012 PM TIME ESTIMATED JUST WEST OF THE MAPLEWOOD SUBDIVISION IN ROME. THE TORNADO TRAVELED 3.25 MILES...WITH A MAXIMUM PATH WIDTH OF 75 YARDS AND A MAXIMUM ESTIMATED WIND SPEED OF 95 MPH. THE GREATEST DAMAGE
Feb 22, 10:15 PM EST	TSTM WND DMG	5 E Rome, GA	FLOYD COUNTY 911 RELAYED REPORTS OF SEVERAL DOWNED TREES AND POWERLINES RESULTING IN POWER OUTAGES TO THE KINGSTON HIGHWAY AND FREEMAN FERRY ROAD AREA.
Feb 22, 10:15 PM EST	TORNADO 1	2 E Rome, GA	AN EF-1 TORNADO TOUCHED DOWN IN FLOYD COUNTY AROUND 1015 PM TIME ESTIMATED JUST WEST OF THE MAPLEWOOD SUBDIVISION IN ROME. THE TORNADO TRAVELED 3.25 MILES...WITH A MAXIMUM PATH WIDTH OF 75 YARDS AND A MAXIMUM ESTIMATED WIND SPEED OF 95 MPH. THE GREATEST DAMAGE

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 00:00Z, 2.9 hours before the alert went out and 116 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: 13 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1264 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 226 m²/s²
0-3 km storm-relative helicity: 362 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.

837 
WUUS52 KFFC 230253
SVRFFC
GAC115-233-230330-
/O.NEW.KFFC.SV.W.0027.120223T0253Z-120223T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
953 PM EST WED FEB 22 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN FLOYD COUNTY IN NORTHWEST GEORGIA
  NORTH CENTRAL POLK COUNTY IN NORTHWEST GEORGIA

* UNTIL 1030 PM EST

* AT 947 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED 11 MILES NORTHWEST OF CAVE SPRING...
  MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  COOSA...LINDALE AND SENEY.

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 3425 8506 3404 8514 3411 8544 3425 8546
      3427 8546
TIME...MOT...LOC 0253Z 282DEG 43KT 3420 8540

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 22, 7:44 PM EST	Special Weather Statement	FFC	Dade	46 min
Feb 22, 8:15 PM EST	Special Weather Statement	FFC	Catoosa	30 min
Feb 22, 8:24 PM EST	Special Weather Statement	FFC	Walker	51 min
Feb 22, 9:19 PM EST	Special Weather Statement	FFC	Walker, Whitfield	26 min
Feb 22, 9:41 PM EST	Special Weather Statement	FFC	Floyd	34 min
Feb 22, 10:36 PM EST	Special Weather Statement	FFC	Bartow, Cherokee, Pickens	24 min
Feb 22, 11:10 PM EST	Special Weather Statement	FFC	Cobb	35 min
Feb 22, 11:24 PM EST	Special Weather Statement	FFC	Barrow, Forsyth, Hall	36 min
Feb 22, 11:32 PM EST	Severe Thunderstorm Warning	FFC	Hall, Jackson	28 min
Feb 22, 11:52 PM EST	Severe Thunderstorm Warning	FFC	Barrow, Clarke, Hall, Jackson, Madison	23 min
Feb 23, 12:09 AM EST	Severe Thunderstorm Warning	FFC	Clarke, Jackson, Madison, Oglethorpe	36 min
Feb 23, 12:46 AM EST	Special Weather Statement	FFC	Oglethorpe, Wilkes	29 min
Feb 23, 12:58 AM EST	Special Weather Statement	FFC	Lumpkin, White	32 min
Feb 23, 2:53 PM EST	Wind Advisory	FFC	Catoosa, Dade, Dawson, Fannin, Gilmer, Lumpkin and 6 more	28 hr

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.