Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 32, NWS Atlanta, GA

February 24, 2012Harris County, Meriwether County, Troup County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 24, 2012, 8:49 AM EST for Harris County, Meriwether County, Troup County, Georgia. It was in force for 26 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 24, 2012, 8:49 AM EST (13:49 UTC)
Expired
Feb 24, 2012, 9:15 AM EST
In force
26 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Harris County, GA, Meriwether County, GA, Troup County, GA

The radar

The Atlanta radar (KFFC), 60 km from the middle of the area, began a volume at 13:49 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, 8:55 AM ESTHAIL 0.88West Point, GA
Feb 24, 9:05 AM ESTTSTM WND DMG6 Nw Whitesville-Pine L, GAA TREE WAS BLOWN DOWN NEAR ADAMS ROAD AND GEORGIA HIGHWAY 18 IN TROUP COUNTY.
Feb 24, 9:05 AM ESTHAIL 1.756 Se Lagrange, GA

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, 1.8 hours before the alert went out and 64 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.

586 
WUUS52 KFFC 241349
SVRFFC
GAC145-199-285-241415-
/O.NEW.KFFC.SV.W.0032.120224T1349Z-120224T1415Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN HARRIS COUNTY IN WEST CENTRAL GEORGIA
  MERIWETHER COUNTY IN WEST CENTRAL GEORGIA
  SOUTHERN TROUP COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 915 AM EST

* AT 844 AM EST...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 WEST
  POINT...MOVING EAST AT 70 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  LAGRANGE...PINE MOUNTAIN-CALLAWAY GARDENS...WARM SPRINGS...
  GREENVILLE AND WOODBURY.

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 3318 8460 3289 8454 3283 8517 3284 8516
      3285 8518 3287 8519 3298 8522 3301 8522
TIME...MOT...LOC 1349Z 255DEG 59KT 3293 8515

$$

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, 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 ESTSevere Thunderstorm WarningFFCBaldwin, Jasper, Jones, Putnam24 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.