Alert archive / Georgia / Tornado Warnings in 2011

Tornado Warning 28, NWS Atlanta, GA

April 27, 20114 counties in Georgia

NWS Atlanta, GA issued this tornado warning at Apr 27, 2011, 8:54 AM EDT for 4 counties in Georgia. It was in force for 51 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, 8:54 AM EDT (12:54 UTC)
Expired
Apr 27, 2011, 9:45 AM EDT
In force
51 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Gilmer County, GA, Gordon County, GA, Murray County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 114 km from the middle of the area, began a volume at 12:55 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, 8:59 AM EDTTSTM WND DMGCalhoun, GAROOF OFF A BUILDING IN DOWNTOWN CALHOUN.
Apr 27, 9:00 AM EDTTSTM WND DMGResaca, GAPUBLIC RELAYED A REPORT OF TWO TREES DOWN.
Apr 27, 9:08 AM EDTTSTM WND DMGChatsworth, GAMURRAY COUNTY 911 RELAYED A REPORT OF WIDESPREAD TREE DAMAGE AND POWER LINES DOWN COUNTY WIDE.

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
Apr 27, 7:48 AM EDTTornado WatchSPC2 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 0.9 hours before the alert went out and 143 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 2011-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 748 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 12:00Z on 2011-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 345 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
748 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
501 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
345 m²/s²
0-3 km storm-relative helicity
460 m²/s²
Significant tornado parameter
1.5
Supercell composite
5.4

Open this sounding in Storm Lab

The text

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

641 
WFUS52 KFFC 271254
TORFFC
GAC123-129-213-313-271345-
/O.NEW.KFFC.TO.W.0028.110427T1254Z-110427T1345Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN GILMER COUNTY IN NORTH CENTRAL GEORGIA
  GORDON COUNTY IN NORTHWEST GEORGIA
  SOUTHERN MURRAY COUNTY IN NORTHWEST GEORGIA
  SOUTHEASTERN WHITFIELD COUNTY IN NORTHWEST GEORGIA

* UNTIL 945 AM EDT

* AT 850 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES WEST OF
  CALHOUN...MOVING NORTHEAST AT 60 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  RESACA...CHATSWORTH...RAMHURST AND ELLIJAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN A MOBILE HOME OR VEHICLE...EVACUATE THEM AND GET INSIDE
A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.

&&

LAT...LON 3485 8462 3486 8460 3466 8438 3440 8509
      3442 8510 3444 8509 3446 8511 3447 8509
      3454 8509 3455 8507 3465 8505 3489 8465
TIME...MOT...LOC 1253Z 234DEG 50KT 3452 8505

$$
3 follow-up statements
194 
WWUS52 KFFC 271303
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
903 AM EDT WED APR 27 2011

GAC123-129-213-313-271345-
/O.CON.KFFC.TO.W.0028.000000T0000Z-110427T1345Z/
WHITFIELD GA-MURRAY GA-GILMER GA-GORDON GA-
903 AM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 AM EDT FOR
NORTHEASTERN GORDON...WESTERN GILMER...SOUTHERN MURRAY AND
SOUTHEASTERN WHITFIELD COUNTIES...

AT 859 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR RESACA...MOVING
NORTHEAST AT 60 MPH. THIS IS A DANGEROUS STORM MOVE TO A SAFE PLACE 
NOW!

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
REDBUD...NICKELSVILLE...AUDUBON...NORTH GEORGIA SPEEDWAY...OAKMAN...
CARTERS...RAMHURST...CHATSWORTH...FORT MOUNTAIN STATE PARK...
ROUNDTOP...TAILS CREEK...CONASAUGA LAKE...MOUNTAINTOWN...ELLIJAY AND
EAST ELLIJAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.

&&

LAT...LON 3485 8462 3486 8460 3466 8438 3448 8491
      3465 8505 3489 8465
TIME...MOT...LOC 1302Z 239DEG 54KT 3460 8491

$$
974 
WWUS52 KFFC 271315
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
915 AM EDT WED APR 27 2011

GAC129-271324-
/O.CAN.KFFC.TO.W.0028.000000T0000Z-110427T1345Z/
GORDON GA-
915 AM EDT WED APR 27 2011

...THE TORNADO WARNING FOR NORTHEASTERN GORDON COUNTY IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY.

IF YOU SAW 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 NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.

LAT...LON 3489 8465 3485 8462 3486 8461 3486 8460
      3476 8450 3461 8482 3471 8494
TIME...MOT...LOC 1314Z 230DEG 49KT 3473 8479

$$

GAC123-213-313-271345-
/O.CON.KFFC.TO.W.0028.000000T0000Z-110427T1345Z/
WHITFIELD GA-MURRAY GA-GILMER GA-
915 AM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 AM EDT FOR
NORTHWESTERN GILMER...SOUTHERN MURRAY AND EAST CENTRAL WHITFIELD
COUNTIES...

AT 908 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED 3 MILES NORTH OF NORTH 
GEORGIA SPEEDWAY OR 3 MILES SOUTHWEST OF CHATSWORTH...MOVING 
NORTHEAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CHATSWORTH...FORT MOUNTAIN STATE PARK...MOUNTAINTOWN AND CONASAUGA
LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN A MOBILE HOME OR VEHICLE...EVACUATE THEM AND GET INSIDE
A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.

&&

LAT...LON 3489 8465 3485 8462 3486 8461 3486 8460
      3476 8450 3461 8482 3471 8494
TIME...MOT...LOC 1314Z 230DEG 49KT 3473 8479

$$
570 
WWUS52 KFFC 271334
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
934 AM EDT WED APR 27 2011

GAC313-271342-
/O.CAN.KFFC.TO.W.0028.000000T0000Z-110427T1345Z/
WHITFIELD GA-
934 AM EDT WED APR 27 2011

...THE TORNADO WARNING FOR EAST CENTRAL WHITFIELD COUNTY IS
CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY.

IF YOU SAW 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 NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.

LAT...LON 3485 8462 3486 8460 3483 8457 3476 8452
      3471 8461 3484 8473 3486 8470 3489 8465
TIME...MOT...LOC 1332Z 232DEG 46KT 3486 8457

$$

GAC123-213-271345-
/O.CON.KFFC.TO.W.0028.000000T0000Z-110427T1345Z/
MURRAY GA-GILMER GA-
934 AM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 AM EDT FOR
NORTHWESTERN GILMER AND EAST CENTRAL MURRAY COUNTIES...

AT 927 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE ROTATION HAS WEAKENED. HOWEVER...DAMAGING WINDS UP 65 MPH
CAN BE EXPECTED THROUGH 945 AM EDT OVER AREAS EAST OF CHATSWORTH.


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 NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.

&&

LAT...LON 3485 8462 3486 8460 3483 8457 3476 8452
      3471 8461 3484 8473 3486 8470 3489 8465
TIME...MOT...LOC 1332Z 232DEG 46KT 3486 8457

$$

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, 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, 2:25 PM EDTTornado WarningFFCDade, Walker34 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.