Alert archive / Georgia / Tornado Warnings in 2011

Tornado Warning 55, NWS Atlanta, GA

April 28, 20115 counties in Georgia

NWS Atlanta, GA issued this tornado warning at Apr 28, 2011, 1:38 AM EDT for 5 counties in Georgia. It was in force for 52 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
Apr 28, 2011, 1:38 AM EDT (05:38 UTC)
Expired
Apr 28, 2011, 2:30 AM EDT
In force
52 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Greene County, GA, Morgan County, GA, Putnam County, GA, Taliaferro County, GA, Warren County, GA

The radar

The Robins AFB radar (KJGX), 104 km from the middle of the area, began a volume at 05:41 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
Apr 27, 6:52 PM EDTTornado Watch PDSSPC9 hr
Apr 28, 12:56 AM EDTTornado WatchSPC4 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 5.6 hours before the alert went out and 139 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 00:00Z on 2011-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1215 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2011-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 244 square meters per square second.19395878Sfc1 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
1215 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1433 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
244 m²/s²
0-3 km storm-relative helicity
408 m²/s²
Significant tornado parameter
1.6
Supercell composite
15.2

Open this sounding in Storm Lab

The text

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

781 
WFUS52 KFFC 280538
TORFFC
GAC133-211-237-265-301-280630-
/O.NEW.KFFC.TO.W.0055.110428T0538Z-110428T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
138 AM EDT THU APR 28 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN PUTNAM COUNTY IN CENTRAL GEORGIA
  GREENE COUNTY IN EAST CENTRAL GEORGIA
  TALIAFERRO COUNTY IN EAST CENTRAL GEORGIA
  NORTHWESTERN WARREN COUNTY IN EAST CENTRAL GEORGIA
  SOUTHEASTERN MORGAN COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 230 AM EDT

* AT 136 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES WEST OF
  EATONTON...MOVING NORTHEAST AT 55 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  PHOENIX...REYNOLDS PLANTATION...GREENSBORO...SILOAM...WHITE
  PLAINS...UNION POINT...WOODVILLE...CRAWFORDVILLE AND SHARON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM EDT THURSDAY MORNING
FOR NORTHWESTERN GEORGIA.

&&

LAT...LON 3351 8273 3344 8294 3347 8302 3337 8315
      3327 8343 3345 8353 3371 8313 3370 8312
      3371 8304 3369 8300 3373 8295 3362 8288
      3364 8286 3365 8281
TIME...MOT...LOC 0537Z 244DEG 48KT 3333 8354

$$
1 follow-up statement
395 
WWUS52 KFFC 280612
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
212 AM EDT THU APR 28 2011

GAC301-280622-
/O.CAN.KFFC.TO.W.0055.000000T0000Z-110428T0630Z/
WARREN GA-
212 AM EDT THU APR 28 2011

...THE TORNADO WARNING FOR NORTHWESTERN WARREN COUNTY IS CANCELLED...


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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM EDT THURSDAY MORNING
FOR NORTHERN GEORGIA.

LAT...LON 3354 8289 3351 8292 3347 8302 3337 8315
      3327 8343 3347 8343 3371 8313 3370 8312
      3371 8304 3369 8300 3373 8295 3360 8287
      3361 8287
TIME...MOT...LOC 0612Z 244DEG 48KT 3353 8304

$$

GAC133-211-237-265-280630-
/O.CON.KFFC.TO.W.0055.000000T0000Z-110428T0630Z/
TALIAFERRO GA-PUTNAM GA-MORGAN GA-GREENE GA-
212 AM EDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM EDT FOR GREENE...
SOUTHEASTERN MORGAN...NORTHEASTERN PUTNAM AND WESTERN TALIAFERRO
COUNTIES...

AT 208 AM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH ROTATION BUT WEAKENING. THIS POTENTIAL 
TORNADO WAS LOCATED NEAR SILOAM...MOVING NORTHEAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
JACKSONVILLE...ROBINSON...DANIEL SPRINGS...CRAWFORDVILLE...ALEXANDER
STEPHENS PARK...LYNEVILLE AND CARTERS GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM EDT THURSDAY MORNING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3354 8289 3351 8292 3347 8302 3337 8315
      3327 8343 3347 8343 3371 8313 3370 8312
      3371 8304 3369 8300 3373 8295 3360 8287
      3361 8287
TIME...MOT...LOC 0612Z 244DEG 48KT 3353 8304

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 8:13 PM EDTTornado WarningFFCChattooga, Floyd, Polk62 min
Apr 27, 9:02 PM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Gordon, Murray43 min
Apr 27, 9:07 PM EDTTornado WarningFFCBartow, Cherokee, Dawson, Paulding, Pickens38 min
Apr 27, 9:18 PM EDTTornado WarningFFCDade22 min
Apr 27, 9:26 PM EDTTornado WarningFFCFloyd, Haralson, Polk49 min
Apr 27, 9:31 PM EDTTornado WarningFFCBartow, Cherokee, Dawson, Gilmer, Gordon, Lumpkin and 1 more59 min
Apr 27, 9:41 PM EDTSevere Thunderstorm WarningFFCCarroll, Haralson, Paulding, Polk49 min
Apr 27, 9:59 PM EDTTornado WarningFFCFannin, Lumpkin, Towns, Union, White61 min
Apr 27, 10:04 PM EDTTornado WarningFFCBartow, Cherokee, Floyd, Polk41 min
Apr 27, 10:08 PM EDTSevere Thunderstorm WarningFFCChattooga, Dade, Floyd, Walker52 min
Apr 27, 10:09 PM EDTTornado WarningFFCHeard, Troup66 min
Apr 27, 10:28 PM EDTSevere Thunderstorm WarningFFCCarroll, Cobb, Douglas, Haralson, Paulding21 min
Apr 27, 10:37 PM EDTTornado WarningFFCBartow, Cherokee, Dawson, Gilmer, Gordon, Pickens53 min
Apr 27, 10:43 PM EDTSevere Thunderstorm WarningFFCCatoosa, Murray, Whitfield47 min
Apr 27, 11:00 PM EDTSevere Thunderstorm WarningFFCCoweta, Harris, Heard, Meriwether, Troup45 min
Apr 27, 11:01 PM EDTSevere Thunderstorm WarningFFCBartow, Floyd, Gordon44 min
Apr 27, 11:05 PM EDTTornado WarningFFCHarris, Meriwether, Troup40 min
Apr 27, 11:08 PM EDTTornado WarningFFCCoweta, Fayette, Fulton, Heard34 min
Apr 27, 11:15 PM EDTTornado WarningFFCFannin, Lumpkin, Towns, Union60 min
Apr 27, 11:29 PM EDTTornado WarningFFCHarris, Meriwether, Talbot, Troup46 min
Apr 27, 11:35 PM EDTTornado WarningFFCCherokee, Dawson, Gilmer, Pickens40 min
Apr 27, 11:44 PM EDTSevere Thunderstorm WarningFFCClayton, Coweta, Fayette, Meriwether, Pike, Spalding46 min
Apr 27, 11:52 PM EDTTornado WarningFFCHall, Lumpkin, White53 min
Apr 28, 12:02 AM EDTTornado WarningFFCCoweta, Fayette, Henry, Meriwether, Pike, Spalding43 min
Apr 28, 12:06 AM EDTTornado WarningFFCHarris, Meriwether, Pike, Talbot, Upson39 min
Apr 28, 12:38 AM EDTTornado WarningFFCHenry, Newton, Rockdale52 min
Apr 28, 12:41 AM EDTTornado WarningFFCButts, Lamar, Monroe, Pike, Upson49 min
Apr 28, 1:06 AM EDTTornado WarningFFCClarke, Greene, Morgan, Newton, Oconee, Walton39 min
Apr 28, 1:08 AM EDTTornado WarningFFCButts, Jasper, Monroe, Putnam52 min
Apr 28, 1:48 AM EDTSevere Thunderstorm WarningFFCOglethorpe, Taliaferro, Wilkes57 min
Apr 28, 2:03 AM EDTSevere Thunderstorm WarningFFCJasper, Jones, Lamar, Monroe, Putnam, Upson57 min
Apr 28, 2:28 AM EDTTornado WarningFFCJasper, Jones, Lamar, Monroe47 min
Apr 28, 2:47 AM EDTSevere Thunderstorm WarningFFCGreene, Hancock, Jones, Putnam, Taliaferro, Warren43 min
Apr 28, 3:04 AM EDTTornado WarningFFCHancock, Warren41 min
Apr 28, 3:33 AM EDTSevere Thunderstorm WarningFFCHancock, Putnam57 min
Apr 28, 3:37 AM EDTTornado WarningFFCWarren38 min
Apr 28, 4:18 AM EDTTornado WarningFFCJones42 min
Apr 28, 4:24 AM EDTSevere Thunderstorm WarningFFCBaldwin, Glascock, Hancock, Warren51 min
Apr 28, 4:36 AM EDTFlash Flood WarningFFCBaldwin, Hancock, Putnam, Taliaferro, Warren, Wilkes4 hr
Apr 28, 4:59 AM EDTSevere Thunderstorm WarningFFCWarren, Washington, Wilkinson46 min
Apr 28, 5:41 AM EDTSevere Thunderstorm WarningFFCGlascock, Jefferson49 min
Apr 28, 10:12 AM EDTSevere Thunderstorm WarningFFCDooly, Pulaski, Wilcox33 min

Nearby

Tornado Warnings in Georgia, 2011Every tornado warning in 2011Tornadoes in 2011

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.