Alert archive / Georgia / Tornado Warnings in 2011

Tornado Warning 27, NWS Atlanta, GA

April 27, 2011Dade County, Walker County, Georgia

NWS Atlanta, GA issued this tornado warning at Apr 27, 2011, 8:25 AM EDT for Dade County, Walker County, Georgia. It was in force for 35 min. 4 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, 8:25 AM EDT (12:25 UTC)
Expired
Apr 27, 2011, 9:00 AM EDT
In force
35 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Dade County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 53 km from the middle of the area, began a volume at 12:27 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, 8:36 AM EDTTSTM WND DMGTrenton, GADADE COUNTY EMA RELAYED A REPORT OF WIDESPREAD TREE DAMAGE IN DADE COUNTY
Apr 27, 8:40 AM EDTTORNADO 11 Nw Trenton, GANWS STORM SURVEY DETERMINED THAT AN EF1 TORNADO TOUCHED DOWN AROUND 840 AM EDT. THE PATH LENGTH WAS 7 MILES WITH A WIDTH OF 50 YARDS. MINOR DAMAGE WAS SUSTAINED TO SEVERAL HOMES AND AN ELEMENTARY SCHOOL.
Apr 27, 8:40 AM EDTTORNADO 12 Sw Trenton, GANWS STORM SURVEY DETERMINED THAT AN EF1 TORNADO WITH MAXIMUM WINDS OF 100 MPH TOUCHED DOWN AROUND 840 AM IN THE MIDDLETON SUBDIVISION SOUTHWEST OF TRENTON. THE PATH LENGTH WAS 8.5 MILES LONG WITH A MAXIMUM WIDTH OF 100 YARDS. MINOR DAMAGE WAS SUSTAINED TO SEVE
Apr 27, 8:41 AM EDTTSTM WND DMG1 Nw Trenton, GADADE COUNTY EMA RELAYED A REPORT OF POSSIBLE TORNADO DAMAGE IN TRENTON. DADE ELEMENTARY SCHOOL HAD PART OF ITS ROOF LIFTED UP.

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

Nashville Metro, TN (KBNA), launched 12:00Z, 0.4 hours before the alert went out and 165 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.

395 
WFUS52 KFFC 271225
TORFFC
GAC083-295-271300-
/O.NEW.KFFC.TO.W.0027.110427T1225Z-110427T1300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
825 AM 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 900 AM EDT

* AT 822 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 18 MILES
  SOUTHWEST OF TRENTON...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
  LOOKOUT MOUNTAIN...NEW ENGLAND...MORGANVILLE...WILDWOOD...LOOKOUT
  MOUNTAIN AND ROSSVILLE.

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 3499 8555 3499 8527 3494 8527 3472 8556
      3493 8561 3499 8561 3499 8560
TIME...MOT...LOC 1224Z 230DEG 50KT 3475 8574

$$
2 follow-up statements
882 
WWUS52 KFFC 271240
SVSFFC

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

GAC083-295-271300-
/O.CON.KFFC.TO.W.0027.000000T0000Z-110427T1300Z/
WALKER GA-DADE GA-
840 AM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 AM EDT FOR DADE AND
NORTH CENTRAL WALKER COUNTIES...

AT 836 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED 5 MILES WEST OF TRENTON...
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
TRENTON...COLE CITY...NEW ENGLAND...MORGANVILLE...HOOKER...
WILDWOOD...CHATTANOOGA VALLEY...LOOKOUT MOUNTAIN...FAIRVIEW AND
ROSSVILLE.

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 3499 8555 3499 8527 3494 8527 3472 8556
      3493 8561 3499 8561 3499 8560
TIME...MOT...LOC 1240Z 229DEG 49KT 3489 8555

$$
117 
WWUS52 KFFC 271249
SVSFFC

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

GAC083-295-271300-
/O.CON.KFFC.TO.W.0027.000000T0000Z-110427T1300Z/
WALKER GA-DADE GA-
849 AM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 AM EDT FOR NORTHERN
DADE AND NORTH CENTRAL WALKER COUNTIES...

AT 845 AM EDT...A TORNADO WAS INDICATED ON DOPPLER RADAR. THIS 
TORNADO WAS LOCATED NEAR NEW ENGLAND...MOVING NORTHEAST AT 50 MPH. 
DAMAGE HAS ALSO BEEN REPORTED BY LAW ENFORCEMENT IN THIS AREA.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS
STORM IS CAPABLE OF PRODUCING 80 TO 100 MPH WINDS. IF YOU ARE
IN THE PATH OF THIS STORM...TAKE COVER IMMEDIATELY!

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 3481 8546 3493 8561 3499 8560 3499 8527
      3494 8527
TIME...MOT...LOC 1248Z 230DEG 45KT 3493 8547

$$

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, 8:28 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, 2:25 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.