Alert archive / Georgia / Tornado Warnings in 2009

Tornado Warning 21, NWS Atlanta, GA

February 18, 2009Bleckley County, Laurens County, Twiggs County, Georgia

NWS Atlanta, GA issued this tornado warning at Feb 18, 2009, 6:44 PM EST for Bleckley County, Laurens County, Twiggs County, Georgia. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 18, 2009, 6:44 PM EST (23:44 UTC)
Expired
Feb 18, 2009, 7:09 PM EST
In force
25 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Bleckley County, GA, Laurens County, GA, Twiggs County, GA

The radar

The Robins AFB radar (KJGX), 32 km from the middle of the area, began a volume at 23:45 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Feb 18, 3:32 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.7 hours before the alert went out and 162 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 2009-02-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2009-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 605 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
588 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
605 m²/s²
0-3 km storm-relative helicity
895 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.

000 
WFUS52 KFFC 182344
TORFFC
GAC023-175-289-190030-
/O.NEW.KFFC.TO.W.0021.090218T2344Z-090219T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
644 PM EST WED FEB 18 2009

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BLECKLEY COUNTY IN CENTRAL GEORGIA
  NORTHERN LAURENS COUNTY IN CENTRAL GEORGIA
  EAST CENTRAL TWIGGS COUNTY IN CENTRAL GEORGIA

* UNTIL 730 PM EST

* AT 640 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTH OF
  JEFFERSONVILLE...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  DANVILLE...MONTROSE...DUDLEY...DUBLIN AND EAST DUBLIN.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO A
BASEMENT OR INTERIOR ROOM ON THE GROUND FLOOR. STAY AWAY FROM
WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

TAKE COVER NOW TORNADOES AT NIGHT ARE EXTREMELY DANGEROUS. DO NOT
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST WEDNESDAY EVENING
FOR GEORGIA.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

LAT...LON 3254 8343 3269 8345 3270 8329 3258 8322
      3271 8296 3271 8286 3268 8279 3266 8279
      3261 8267 3252 8267 3249 8264
TIME...MOT...LOC 2344Z 269DEG 38KT 3260 8332

$$
1 follow-up statement
000 
WWUS52 KFFC 190009
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
709 PM EST WED FEB 18 2009

GAC023-175-289-190019-
/O.CAN.KFFC.TO.W.0021.000000T0000Z-090219T0030Z/
BLECKLEY GA-LAURENS GA-TWIGGS GA-
709 PM EST WED FEB 18 2009

...THE TORNADO WARNING FOR EAST CENTRAL TWIGGS...NORTHERN LAURENS AND
EXTREME NORTHEASTERN BLECKLEY COUNTIES IS CANCELLED...

THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER SUSPECTED TO BE 
PRODUCING A TORNADO. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST WEDNESDAY EVENING
FOR MUCH OF GEORGIA.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.

LAT...LON 3254 8343 3269 8345 3270 8329 3258 8322
      3271 8296 3271 8286 3268 8279 3266 8279
      3261 8267 3252 8267 3249 8264
TIME...MOT...LOC 0009Z 269DEG 38KT 3260 8301

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 18, 3:43 PM ESTSevere Thunderstorm WarningFFCBartow, Chattooga, Floyd, Gordon52 min
Feb 18, 3:52 PM ESTWind AdvisoryFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more27 hr
Feb 18, 4:19 PM ESTSevere Thunderstorm WarningFFCChattahoochee, Marion, Muscogee41 min
Feb 18, 4:22 PM ESTTornado WarningFFCBartow, Cherokee38 min
Feb 18, 4:52 PM ESTTornado WarningFFCHarris, Talbot38 min
Feb 18, 4:53 PM ESTTornado WarningFFCCherokee, Forsyth, Fulton37 min
Feb 18, 5:02 PM ESTTornado WarningFFCCarroll43 min
Feb 18, 5:06 PM ESTTornado WarningFFCMarion, Schley, Taylor24 min
Feb 18, 5:31 PM ESTTornado WarningFFCCarroll, Coweta, Douglas, Fulton44 min
Feb 18, 5:32 PM ESTTornado WarningFFCTalbot, Taylor27 min
Feb 18, 5:33 PM ESTTornado WarningFFCMacon, Taylor22 min
Feb 18, 5:36 PM ESTSevere Thunderstorm WarningFFCCobb, DeKalb, Fulton, Gwinnett54 min
Feb 18, 5:43 PM ESTTornado WarningFFCDeKalb, Fulton, Gwinnett34 min
Feb 18, 5:54 PM ESTTornado WarningFFCClayton, Coweta, Fayette, Fulton, Henry, Spalding51 min
Feb 18, 5:59 PM ESTTornado WarningFFCGwinnett, Walton46 min
Feb 18, 6:01 PM ESTSevere Thunderstorm WarningFFCCrawford, Houston, Peach44 min
Feb 18, 6:13 PM ESTTornado WarningFFCCarroll47 min
Feb 18, 6:19 PM ESTTornado WarningFFCHouston, Twiggs26 min
Feb 18, 6:21 PM ESTTornado WarningFFCClarke, Greene, Morgan, Oconee, Oglethorpe, Walton54 min
Feb 18, 6:22 PM ESTSevere Thunderstorm WarningFFCCarroll, Haralson38 min
Feb 18, 6:33 PM ESTTornado WarningFFCButts, Henry, Jasper, Newton42 min
Feb 18, 6:48 PM ESTTornado WarningFFCWilkinson22 min
Feb 18, 6:50 PM ESTTornado WarningFFCJasper, Putnam55 min
Feb 18, 6:54 PM ESTSevere Thunderstorm WarningFFCCarroll, Coweta, Douglas, Fulton18 min
Feb 18, 6:58 PM ESTTornado WarningFFCGreene, Oglethorpe, Taliaferro, Warren, Wilkes77 min

Nearby

Tornado Warnings in Georgia, 2009Every tornado warning in 2009Tornadoes in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.