Alert archive / Georgia / Tornado Warnings in 2011

Tornado Warning 29, NWS Atlanta, GA

April 27, 2011Dade County, Walker County, Georgia

NWS Atlanta, GA issued this tornado warning at Apr 27, 2011, 2:25 PM EDT for Dade County, Walker County, Georgia. It was in force for 34 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
Apr 27, 2011, 2:25 PM EDT (18:25 UTC)
Expired
Apr 27, 2011, 2:59 PM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Dade County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 58 km from the middle of the area, began a volume at 18:27 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
Apr 27, 2:30 PM EDTTSTM WND DMG4 W Lookout Mountain, GADADE COUNTY EMERGENCY MANAGEMENT REPORTED OVER 50 DOWNED TREES AND POWERLINES ALONG HIGHWAY 299 IN THE NORTHERN SECTION OF THE COUNTY.
Apr 27, 2:33 PM EDTTSTM WND DMG2 Sw Trenton, GANUMEROUS TREES DOWN ALONG NORTH WOODS LANE AND SURROUNDING NEIGHBORHOOD. THIS NEIGHBORHOOD WAS ALSO STRUCK BY AN EF1 TORNADO EARLIER IN THE MORNING AND WAS LATER STRUCK BY AN EF3 TORNADO IN THE LATE AFTERNOON.
Apr 27, 2:45 PM EDTTSTM WND DMGLookout Mountain, GAWALKER COUNTY 911 RELAYED A REPORT OF WIDESPREAD TREE DAMAGE IN LOOKOUT MOUNTAIN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.4 hours before the alert went out and 170 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, Nashville Metro, TN at 12:00Z on 2011-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Nashville Metro, TN at 12:00Z on 2011-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -84 square meters per square second.1939587897Sfc1 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
714 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-84 m²/s²
0-3 km storm-relative helicity
-38 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.

677 
WFUS52 KFFC 271825
TORFFC
GAC083-295-271915-
/O.NEW.KFFC.TO.W.0029.110427T1825Z-110427T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
225 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  DADE COUNTY IN NORTHWEST GEORGIA
  NORTH CENTRAL WALKER COUNTY IN NORTHWEST GEORGIA

* UNTIL 315 PM EDT

* AT 222 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES WEST OF
  TRENTON...MOVING EAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  LOOKOUT MOUNTAIN...CHICKAMAUGA AND ROSSVILLE.

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.

&&

LAT...LON 3499 8550 3499 8527 3486 8527 3485 8522
      3479 8558 3493 8561 3497 8560
TIME...MOT...LOC 1825Z 259DEG 42KT 3486 8567

$$
4 follow-up statements
506 
WWUS52 KFFC 271832
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
232 PM EDT WED APR 27 2011

GAC083-295-271915-
/O.CON.KFFC.TO.W.0029.000000T0000Z-110427T1915Z/
WALKER GA-DADE GA-
232 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR DADE AND
NORTH CENTRAL WALKER COUNTIES...

AT 230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR 
STEPHENSVILLE...MOVING EAST AT 55 MPH. THIS STORM IS ALSO CAPABLE OF 
PRODUCING HAIL UP TO THE SIZE OF GOLF BALLS.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO COLE
CITY...TRENTON...CLOUDLAND CANYON STATE PARK...NEW ENGLAND...
MORGANVILLE...HOOKER...WILDWOOD...CHATTANOOGA VALLEY...LOOKOUT
MOUNTAIN...CHICKAMAUGA AND FAIRVIEW.

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 FIRST FLOOR. STAY AWAY FROM WINDOWS.
IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 3499 8550 3499 8527 3486 8527 3485 8522
      3479 8558 3493 8561 3497 8560
TIME...MOT...LOC 1832Z 250DEG 48KT 3490 8556

$$
448 
WWUS52 KFFC 271838
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
238 PM EDT WED APR 27 2011

GAC083-295-271915-
/O.CON.KFFC.TO.W.0029.000000T0000Z-110427T1915Z/
WALKER GA-DADE GA-
238 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR DADE AND
NORTH CENTRAL WALKER COUNTIES...

AT 236 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO LOCATED NEAR COLE CITY...MOVING EAST-NORTHEAST
AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW
ENGLAND...MORGANVILLE...HOOKER...WILDWOOD...CHATTANOOGA VALLEY...
LOOKOUT MOUNTAIN...CHICKAMAUGA AND FAIRVIEW.

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 FIRST FLOOR. STAY AWAY FROM WINDOWS.
IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

GO TO A SAFE PLACE NOW! TORNADOES IN HILLY OR MOUNTAINOUS TERRAIN ARE
HARD TO SEE. DO NOT WAIT TO SEE OR HEAR THE TORNADO.

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 3499 8550 3499 8527 3486 8527 3485 8522
      3479 8558 3493 8561 3497 8560
TIME...MOT...LOC 1838Z 249DEG 39KT 3494 8552

$$
347 
WWUS52 KFFC 271850
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
250 PM EDT WED APR 27 2011

GAC083-271859-
/O.CAN.KFFC.TO.W.0029.000000T0000Z-110427T1915Z/
DADE GA-
250 PM EDT WED APR 27 2011

...THE TORNADO WARNING FOR DADE COUNTY IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS EXITED DADE COUNTY.

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 1100 PM EDT WEDNESDAY EVENING
FOR NORTHWEST GEORGIA.

LAT...LON 3499 8527 3486 8527 3485 8524 3484 8524
      3481 8545 3484 8545 3488 8544 3499 8536
TIME...MOT...LOC 1849Z 250DEG 48KT 3498 8530

$$

GAC295-271915-
/O.CON.KFFC.TO.W.0029.000000T0000Z-110427T1915Z/
WALKER GA-
250 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR NORTH
CENTRAL WALKER COUNTY...

AT 245 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE STRONG ROTATION LOCATED NEAR LOOKOUT MOUNTAIN...MOVING EAST 
AT 55 MPH.

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 FIRST FLOOR. STAY AWAY FROM WINDOWS.
IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 1100 PM EDT WEDNESDAY EVENING
FOR NORTHWEST GEORGIA.

&&

LAT...LON 3499 8527 3486 8527 3485 8524 3484 8524
      3481 8545 3484 8545 3488 8544 3499 8536
TIME...MOT...LOC 1849Z 250DEG 48KT 3498 8530

$$
788 
WWUS52 KFFC 271859
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
259 PM EDT WED APR 27 2011

GAC295-271909-
/O.CAN.KFFC.TO.W.0029.000000T0000Z-110427T1915Z/
WALKER GA-
259 PM EDT WED APR 27 2011

...THE TORNADO WARNING FOR NORTH CENTRAL WALKER COUNTY IS
CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED AND EXITED WALKER COUNTY.

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 1100 PM EDT WEDNESDAY EVENING
FOR NORTHWEST GEORGIA.

LAT...LON 3499 8527 3486 8527 3485 8524 3484 8524
      3481 8545 3484 8545 3488 8544 3499 8536
TIME...MOT...LOC 1859Z 249DEG 39KT 3502 8526

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 8:04 AM EDTSevere Thunderstorm WarningFFCBartow, Chattooga, Floyd, Haralson, Polk56 min
Apr 27, 8:16 AM EDTTornado WarningFFCCatoosa, Chattooga, Dade, Walker, Whitfield44 min
Apr 27, 8:25 AM EDTTornado WarningFFCDade, Walker35 min
Apr 27, 8:28 AM EDTSevere Thunderstorm WarningFFCCarroll, Haralson, Heard32 min
Apr 27, 8:35 AM EDTSevere Thunderstorm WarningFFCBartow, Cherokee, Cobb, Gilmer, Gordon, Murray and 5 more55 min
Apr 27, 8:42 AM EDTSevere Thunderstorm WarningFFCCatoosa, Murray, Whitfield48 min
Apr 27, 8:51 AM EDTSevere Thunderstorm WarningFFCClayton, Coweta, Douglas, Fayette, Fulton29 min
Apr 27, 8:54 AM EDTTornado WarningFFCGilmer, Gordon, Murray, Whitfield51 min
Apr 27, 9:02 AM EDTSevere Thunderstorm WarningFFCCatoosa, Dade, Walker16 min
Apr 27, 9:26 AM EDTSevere Thunderstorm WarningFFCFannin, Gilmer, Murray39 min
Apr 27, 1:59 PM EDTSevere Thunderstorm WarningFFCDade, Walker61 min
Apr 27, 2:37 PM EDTSevere Thunderstorm WarningFFCCatoosa, Whitfield25 min
Apr 27, 5:07 PM EDTSevere Thunderstorm WarningFFCDade, Walker38 min
Apr 27, 5:14 PM EDTTornado WarningFFCDade, Walker46 min
Apr 27, 5:51 PM EDTTornado WarningFFCCatoosa24 min
Apr 27, 5:53 PM EDTRiver Flood WarningFFCDade11 hr
Apr 27, 6:03 PM EDTSevere Thunderstorm WarningFFCCatoosa, Walker27 min
Apr 27, 6:15 PM EDTSevere Thunderstorm WarningFFCDade30 min
Apr 27, 7:20 PM EDTSevere Thunderstorm WarningFFCChattooga, Dade, Walker55 min
Apr 27, 7:32 PM EDTTornado WarningFFCChattooga, Dade, Walker43 min
Apr 27, 7:59 PM EDTTornado WarningFFCCatoosa, Walker, Whitfield46 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.