Alert archive / Georgia / Tornado Warnings in 2006

Tornado Warning 37, NWS Atlanta, GA

October 11, 2006Cobb County, Fulton County, Georgia

NWS Atlanta, GA issued this tornado warning at Oct 11, 2006, 7:11 PM EDT for Cobb County, Fulton 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
Oct 11, 2006, 7:11 PM EDT (23:11 UTC)
Expired
Oct 11, 2006, 7:45 PM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Counties, with a storm outline in the text

Counties Cobb County, GA, Fulton County, GA

The radar

The Atlanta radar (KFFC), 46 km from the middle of the area, began a volume at 23:14 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
Oct 11, 7:15 PM EDTTSTM WND DMG3 S Mableton, GATWO POWERLINES DOWN ON COBB/DOUGLAS COUNTY LINE. TIME ESTIMATED.
Oct 11, 7:30 PM EDTFUNNEL CLOUDAtlanta, GAREPORTED ON FULTON INDUSTRIAL.
Oct 11, 7:30 PM EDTTSTM WND DMGAtlanta, GATREE DOWN ON SIMPSON ROAD.

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

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.2 hours before the alert went out and 46 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 2006-10-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 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 2006-10-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
24 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
1059 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
86 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 112312
TORFFC
GAC067-121-112345-
/O.NEW.KFFC.TO.W.0037.061011T2311Z-061011T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
711 PM EDT WED OCT 11 2006

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTHERN COBB COUNTY IN NORTH CENTRAL GEORGIA
  FULTON COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 745 PM EDT

* AT 709 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR SIX
  FLAGS...MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MABLETON...VININGS...EAST POINT...ATLANTA...TURNER FIELD AND
  PIEDMONT PARK.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS 
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. THIS STORM HAS 
A HISTORY OF PRODUCING FUNNEL CLOUDS AS WELL AS WIND DAMAGE. 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.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
PENNY SIZED HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 3386 8464 3368 8467 3365 8435 3385 8433

$$
1 follow-up statement
000 
WWUS52 KFFC 112328
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
727 PM EDT WED OCT 11 2006

GAC067-112337-
/O.CAN.KFFC.TO.W.0037.000000T0000Z-061011T2345Z/
COBB GA-
727 PM EDT WED OCT 11 2006

...THE TORNADO WARNING FOR EXTREME SOUTHERN COBB COUNTY IS 
CANCELLED...

THE STORM HAS MOVED OUT OF THE COUNTY...THEREFORE THE WARNING HAS 
BEEN CANCELED.

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 3367 8438 3367 8446 3368 8448 3369 8463
      3378 8453 3384 8444 3386 8444 3385 8434
      3383 8435 3366 8435

$$

GAC121-112345-
/O.CON.KFFC.TO.W.0037.000000T0000Z-061011T2345Z/
FULTON GA-
727 PM EDT WED OCT 11 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR FULTON
COUNTY...

AT 726 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR ATLANTA...MOVING
EAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TURNER
FIELD...PIEDMONT PARK AND GRANT PARK.

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. THIS 
STORM HAS A HISTORY OF PRODUCING FUNNEL CLOUDS AS WELL AS WIND 
DAMAGE. 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.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
PENNY SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 3367 8438 3367 8446 3368 8448 3369 8463
      3378 8453 3384 8444 3386 8444 3385 8434
      3383 8435 3366 8435

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 11, 5:57 PM EDTSevere Thunderstorm WarningFFCHaralson33 min
Oct 11, 6:27 PM EDTTornado WarningFFCCarroll, Haralson, Paulding33 min
Oct 11, 6:48 PM EDTTornado WarningFFCDouglas27 min
Oct 11, 7:31 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb29 min

Nearby

Tornado Warnings in Georgia, 2006Every tornado warning in 2006Tornadoes in 2006

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.