Alert archive / Georgia / Tornado Warnings in 2011

Tornado Warning 75, NWS Atlanta, GA

September 5, 20114 counties in Georgia

NWS Atlanta, GA issued this tornado warning at Sep 5, 2011, 3:26 PM EDT for 4 counties in Georgia. It was in force for 34 min. 1 report 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
Sep 5, 2011, 3:26 PM EDT (19:26 UTC)
Expired
Sep 5, 2011, 4:00 PM EDT
In force
34 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Bartow County, GA, Cherokee County, GA, Cobb County, GA, Paulding County, GA

The radar

The Atlanta radar (KFFC), 82 km from the middle of the area, began a volume at 19:28 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
Sep 5, 3:38 PM EDTTSTM WND DMGAcworth, GACOBB COUNTY 911 RELAYED REPORTS OF 3-4 DOWNED TREES.

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
Sep 5, 12:10 PM EDTTornado WatchSPC4 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.4 hours before the alert went out and 83 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 2011-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 279 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 2011-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 167 square meters per square second.193958Sfc1 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
279 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
471 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
167 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

403 
WFUS52 KFFC 051926
TORFFC
GAC015-057-067-223-052000-
/O.NEW.KFFC.TO.W.0075.110905T1926Z-110905T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
326 PM EDT MON SEP 5 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
  NORTHWESTERN COBB COUNTY IN NORTH CENTRAL GEORGIA
  SOUTHEASTERN BARTOW COUNTY IN NORTHWEST GEORGIA
  NORTHEASTERN PAULDING COUNTY IN NORTHWEST GEORGIA

* UNTIL 400 PM EDT

* AT 324 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 9 MILES
  SOUTHWEST OF ACWORTH...MOVING NORTHEAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CROSS
  ROADS...OAK GROVE...RED TOP MOUNTAIN STATE PARK...GEORGE WASHINGTON
  CARVER STATE PARK...KELLOGG CREEK AND HOBGOOD PARK.

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 PM EDT MONDAY EVENING FOR
NORTHWESTERN GEORGIA.

&&

LAT...LON 3421 8472 3414 8455 3393 8473 3397 8481
TIME...MOT...LOC 1927Z 206DEG 32KT 3399 8475

$$
1 follow-up statement
602 
WWUS52 KFFC 051942
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
342 PM EDT MON SEP 5 2011

GAC223-051951-
/O.CAN.KFFC.TO.W.0075.000000T0000Z-110905T2000Z/
PAULDING GA-
342 PM EDT MON SEP 5 2011

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

THE STORM THAT PROMPTED THE WARNING HAS EXITED PAULDING COUNTY...SO 
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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT MONDAY EVENING
FOR NORTHERN GEORGIA.

LAT...LON 3419 8469 3414 8455 3404 8468 3404 8474
      3408 8474 3408 8475
TIME...MOT...LOC 1941Z 211DEG 32KT 3410 8467

$$

GAC015-057-067-052000-
/O.CON.KFFC.TO.W.0075.000000T0000Z-110905T2000Z/
BARTOW GA-CHEROKEE GA-COBB GA-
342 PM EDT MON SEP 5 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM EDT FOR
NORTHWESTERN COBB...SOUTHWESTERN CHEROKEE AND SOUTHEASTERN BARTOW
COUNTIES...

AT 338 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR ACWORTH...MOVING
NORTHEAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RED TOP
MOUNTAIN STATE PARK...GEORGE WASHINGTON CARVER STATE PARK...KELLOGG
CREEK AND HOBGOOD PARK.

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 1100 PM EDT MONDAY EVENING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3419 8469 3414 8455 3404 8468 3404 8474
      3408 8474 3408 8475
TIME...MOT...LOC 1941Z 211DEG 32KT 3410 8467

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 12:21 PM EDTRiver Flood WarningFFCDade59 hr
Sep 5, 12:22 PM EDTTornado WarningFFCCarroll, Haralson, Paulding23 min
Sep 5, 12:39 PM EDTTornado WarningFFCTroup36 min
Sep 5, 1:14 PM EDTTornado WarningFFCHeard, Troup20 min
Sep 5, 1:44 PM EDTTornado WarningFFCCarroll, Coweta31 min
Sep 5, 1:55 PM EDTTornado WarningFFCDouglas35 min
Sep 5, 2:10 PM EDTTornado WarningFFCCarroll, Heard35 min
Sep 5, 2:19 PM EDTTornado WarningFFCHarris, Muscogee41 min
Sep 5, 2:27 PM EDTTornado WarningFFCCobb, Paulding48 min
Sep 5, 2:48 PM EDTFlash Flood WarningFFCCatoosa, Dade, Walker6 hr
Sep 5, 2:48 PM EDTTornado WarningFFCCherokee42 min
Sep 5, 2:56 PM EDTTornado WarningFFCHeard, Troup34 min
Sep 5, 2:58 PM EDTTornado WarningFFCHarris, Meriwether, Troup39 min
Sep 5, 3:00 PM EDTSpecial Weather StatementFFCBleckley, Pulaski30 min
Sep 5, 3:18 PM EDTTornado WarningFFCCarroll, Coweta, Heard42 min
Sep 5, 3:20 PM EDTSevere Thunderstorm WarningFFCBleckley, Houston, Pulaski, Twiggs25 min
Sep 5, 3:23 PM EDTTornado WarningFFCCoweta, Meriwether37 min
Sep 5, 3:27 PM EDTSpecial Weather StatementFFCTelfair, Wheeler33 min
Sep 5, 3:29 PM EDTTornado WarningFFCCherokee, Pickens31 min
Sep 5, 3:46 PM EDTTornado WarningFFCCherokee, Pickens44 min
Sep 5, 3:50 PM EDTTornado WarningFFCCoweta, Fayette40 min
Sep 5, 3:57 PM EDTTornado WarningFFCCarroll, Cobb, Douglas, Paulding48 min
Sep 5, 4:01 PM EDTTornado WarningFFCDawson, Fannin, Gilmer, Lumpkin, Pickens, Union44 min
Sep 5, 4:16 PM EDTTornado WarningFFCMorgan, Oconee29 min
Sep 5, 4:24 PM EDTTornado WarningFFCCarroll, Coweta, Douglas, Fulton36 min
Sep 5, 4:28 PM EDTTornado WarningFFCClayton, DeKalb, Fulton, Henry47 min
Sep 5, 4:34 PM EDTTornado WarningFFCJefferson20 min
Sep 5, 4:35 PM EDTTornado WarningFFCBartow, Cherokee, Cobb, Paulding40 min
Sep 5, 4:41 PM EDTTornado WarningFFCGreene, Morgan, Oconee49 min
Sep 5, 4:43 PM EDTTornado WarningFFCClarke, Oconee, Oglethorpe47 min
Sep 5, 4:49 PM EDTTornado WarningFFCCobb, Douglas, Fulton41 min
Sep 5, 4:57 PM EDTSpecial Weather StatementFFCCrawford48 min
Sep 5, 5:02 PM EDTTornado WarningFFCCrawford18 min
Sep 5, 5:16 PM EDTTornado WarningFFCCherokee, Dawson, Pickens44 min
Sep 5, 5:16 PM EDTTornado WarningFFCMadison44 min
Sep 5, 5:30 PM EDTSpecial Weather StatementFFCCobb30 min
Sep 5, 6:04 PM EDTSpecial Weather StatementFFCGwinnett, Hall41 min
Sep 5, 6:07 PM EDTTornado WarningFFCJasper, Jones, Putnam24 min
Sep 5, 6:57 PM EDTSpecial Weather StatementFFCTowns33 min
Sep 5, 7:21 PM EDTSpecial Weather StatementFFCCherokee39 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.