Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 35, NWS Atlanta, GA

February 24, 20124 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 24, 2012, 11:06 AM EST for 4 counties in Georgia. It was in force for 24 min. 4 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 24, 2012, 11:06 AM EST (16:06 UTC)
Expired
Feb 24, 2012, 11:30 AM EST
In force
24 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Baldwin County, GA, Jasper County, GA, Jones County, GA, Putnam County, GA

The radar

The Robins AFB radar (KJGX), 69 km from the middle of the area, began a volume at 16:07 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

TimeReportWhereRemark
Feb 24, 11:20 AM ESTTSTM WND DMG2 Nw Hillsboro, GA10-15 TREES DOWN IN THE VICINITY OF HWY 11 AND CLAY TILLMAN RD.
Feb 24, 11:20 AM ESTTSTM WND DMG8 Sw Eatonton, GAONE TREE DOWN ON HWY 129.
Feb 24, 11:20 AM ESTHAIL 0.758 Sw Eatonton, GA
Feb 24, 11:23 AM ESTTSTM WND DMG8 Ssw Eatonton, GAPOWER LINE DOWN IN THE TWIN BRIDGES AREA.

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.

IssuedProductOfficeLasted
Feb 24, 8:48 AM ESTTornado WatchSPC7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.1 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2012-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1231 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2012-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
1231 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
83 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
306 m²/s²
Significant tornado parameter
1.3
Supercell composite
4.7

Open this sounding in Storm Lab

The text

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

404 
WUUS52 KFFC 241606
SVRFFC
GAC009-159-169-237-241630-
/O.NEW.KFFC.SV.W.0035.120224T1606Z-120224T1630Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1106 AM EST FRI FEB 24 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BALDWIN COUNTY IN CENTRAL GEORGIA
  EASTERN JASPER COUNTY IN CENTRAL GEORGIA
  NORTHERN JONES COUNTY IN CENTRAL GEORGIA
  WESTERN PUTNAM COUNTY IN CENTRAL GEORGIA

* UNTIL 1130 AM EST

* AT 1104 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS UP
  TO 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
  17 MILES EAST OF EATONTON TO 15 MILES SOUTHEAST OF EATONTON TO 14
  MILES SOUTHEAST OF EATONTON...MOVING EAST AT 60 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  PIEDMONT...ETHRIDGE...BLOUNTSVILLE...ROUND OAK...WARFIELD...
  RESSEAUS CROSSROADS...CENTRAL GEORGIA EXPERIMENT STATION...
  STANFORDVILLE...WILLARD...ROCK EAGLE 4-H CENTER...HILLSBORO AND
  ADGATEVILLE.

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 TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM EST FRIDAY AFTERNOON
FOR NORTHERN GEORGIA.

&&

LAT...LON 3343 8337 3313 8332 3308 8374 3318 8371
      3339 8370
TIME...MOT...LOC 1606Z 261DEG 53KT 3331 8307 3324 8312
          3318 8320

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 7:44 AM ESTSpecial Weather StatementFFCMorgan, Newton31 min
Feb 24, 8:14 AM ESTSpecial Weather StatementFFCMeriwether31 min
Feb 24, 8:28 AM ESTSevere Thunderstorm WarningFFCCoweta, Fayette, Meriwether, Pike, Spalding32 min
Feb 24, 8:33 AM ESTSpecial Weather StatementFFCHenry, Newton27 min
Feb 24, 8:45 AM ESTSpecial Weather StatementFFCTroup45 min
Feb 24, 8:49 AM ESTSevere Thunderstorm WarningFFCHarris, Meriwether, Troup26 min
Feb 24, 9:01 AM ESTSpecial Weather StatementFFCButts, Spalding44 min
Feb 24, 9:08 AM ESTSpecial Weather StatementFFCGreene, Morgan37 min
Feb 24, 9:15 AM ESTSpecial Weather StatementFFCMeriwether30 min
Feb 24, 9:23 AM ESTTornado WarningFFCButts, Henry, Jasper, Newton37 min
Feb 24, 9:28 AM ESTTornado WarningFFCGreene, Oglethorpe, Taliaferro, Wilkes32 min
Feb 24, 9:40 AM ESTTornado WarningFFCGreene, Jasper, Morgan, Putnam50 min
Feb 24, 9:45 AM ESTSpecial Weather StatementFFCButts, Lamar, Meriwether, Pike30 min
Feb 24, 10:10 AM ESTSpecial Weather StatementFFCJasper35 min
Feb 24, 10:14 AM ESTTornado WarningFFCGreene, Hancock, Taliaferro, Warren, Wilkes46 min
Feb 24, 10:30 AM ESTSevere Thunderstorm WarningFFCBaldwin, Jasper, Jones, Monroe, Putnam30 min
Feb 24, 10:32 AM ESTSpecial Weather StatementFFCLamar, Pike28 min
Feb 24, 10:39 AM ESTTornado WarningFFCGreene, Hancock, Morgan, Putnam, Taliaferro36 min
Feb 24, 10:53 AM ESTSevere Thunderstorm WarningFFCButts, Jasper, Jones, Monroe22 min
Feb 24, 11:06 AM ESTTornado WarningFFCHancock, Taliaferro, Warren24 min
Feb 24, 11:10 AM ESTSpecial Weather StatementFFCClayton, Coweta, Fayette, Heard, Troup35 min
Feb 24, 11:25 AM ESTSpecial Weather StatementFFCMeriwether, Troup35 min
Feb 24, 11:28 AM ESTSevere Thunderstorm WarningFFCBaldwin, Greene, Hancock, Putnam32 min
Feb 24, 11:39 AM ESTSevere Thunderstorm WarningFFCGreene, Hancock, Taliaferro, Warren36 min
Feb 24, 11:56 AM ESTSpecial Weather StatementFFCFayette, Harris, Henry, Meriwether, Pike, Rockdale and 3 more34 min
Feb 24, 12:06 PM ESTSevere Thunderstorm WarningFFCGlascock, Warren24 min
Feb 24, 12:19 PM ESTSpecial Weather StatementFFCChattahoochee, Muscogee41 min
Feb 24, 12:30 PM ESTSpecial Weather StatementFFCBibb, Butts, Clarke, Greene, Jasper, Jones and 10 more30 min
Feb 24, 12:38 PM ESTSpecial Weather StatementFFCCoweta, Heard37 min
Feb 24, 12:58 PM ESTSpecial Weather StatementFFCChattahoochee, Crawford, Greene, Jasper, Lamar, Marion and 7 more47 min
Feb 24, 1:37 PM ESTSpecial Weather StatementFFCBaldwin, Bibb, Crawford, Greene, Hancock, Houston and 10 more23 min
Feb 24, 2:04 PM ESTSpecial Weather StatementFFCWarren26 min
Feb 24, 2:36 PM ESTSpecial Weather StatementFFCBleckley, Crisp, Dodge, Pulaski, Wilcox24 min
Feb 24, 2:57 PM ESTSpecial Weather StatementFFCCrisp, Dodge, Johnson, Laurens, Pulaski, Wilcox33 min
Feb 24, 3:24 PM ESTSpecial Weather StatementFFCDodge, Emanuel, Johnson, Laurens, Montgomery, Telfair and 4 more51 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012Every 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.