Alert archive / Georgia / Tornado Warnings in 2011

Tornado Warning 70, NWS Atlanta, GA

September 5, 2011Cherokee County, Georgia

NWS Atlanta, GA issued this tornado warning at Sep 5, 2011, 2:48 PM EDT for Cherokee County, Georgia. It was in force for 42 min. 9 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
Sep 5, 2011, 2:48 PM EDT (18:48 UTC)
Expired
Sep 5, 2011, 3:30 PM EDT
In force
42 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

County Cherokee County, GA

The radar

The Atlanta radar (KFFC), 106 km from the middle of the area, began a volume at 18:52 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, 3:11 PM EDTTORNADO 13 Wsw Woodstock, GA*** 1 INJ *** MAX WIND SPEED 90 MPH...PATH LENGTH 24 MILES SEMI-CONTINUOUS...MAX PATH WIDTH 1/4 MILE. INITIAL TOUCH DOWN JUST SOUTH OF DIXIE SPEEDWAY NEAR WOODSTOCK IN SOUTH CENTRAL CHEROKEE COUNTY...MOVED NORTH TO NORTHEAST THEN LIFTED COMPLETELY NEAR NELSON
Sep 5, 3:13 PM EDTTSTM WND DMG1 W Woodstock, GACHEROKEE COUNTY EMERGENCY MANAGEMENT RELAYED A REPORT OF HWY 92 BLOCKED BY DOWNED TREES AND DEBRIS.
Sep 5, 3:13 PM EDTTORNADO1 W Woodstock, GACHEROKEE COUNTY EMERGENCY MANAGEMENT RELAYED A LAW ENFORCEMENT REPORT OF A TORNADO 1 MILE WEST OF WOODSTOCK.
Sep 5, 3:15 PM EDTTORNADOWoodstock, GAPUBLIC REPORTS TORNADO TOUCHDOWN IN WOODSTOCK. TREES WERE DOWNED ONTO 2 HOUSES...SHINGLES TAKEN OFF ROOFS...AND TOWNLAKE PARKWAY WAS BLOCKED BY NUMEROUS TREES.
Sep 5, 3:19 PM EDTTSTM WND DMG1 W Holly Springs, GAAMATEUR RADIO RELAYED REPORTS OF MULTIPLE DOWNED TREES IN THE AREA OF BASCOM AND CARMEL ROADS WEST OF INTERSTATE 575 IN CHEROKEE COUNTY.
Sep 5, 3:21 PM EDTTSTM WND DMG1 Sw Holly Springs, GACHEROKEE COUNTY EMERGENCY MANAGEMENT RELAYED A REPORT OF DAMAGE ALONG SIXES ROAD NEAR HOLLY SPRINGS.
Sep 5, 3:30 PM EDTTSTM WND DMGCanton, GAPUBLIC REPORTED SEVERAL TREES DOWN ON WEDGEWOOD FALLS DRIVE. POWER LINES WERE ALSO DOWNED.
Sep 5, 3:31 PM EDTTSTM WND DMG1 Ne Canton, GACHEROKEE COUNTY EMERGENCY MANAGEMENT RELAYED REPORTS OF MAJOR DAMAGE IN NE CANTON AS TORNADO CROSSED HWY 20.
Sep 5, 3:35 PM EDTTSTM WND DMGCanton, GAPUBLIC REPORTED SEVERAL TREES DOWN ON WEDGEWOOD FALLS DRIVE. POWER LINES WERE ALSO DOWNED.

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, 6.8 hours before the alert went out and 105 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.

059 
WFUS52 KFFC 051848
TORFFC
GAC057-051930-
/O.NEW.KFFC.TO.W.0070.110905T1848Z-110905T1930Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 330 PM EDT

* AT 247 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  STRONG THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 16 MILES
  SOUTHWEST OF WOODSTOCK...MOVING NORTHEAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOLLY
  SPRINGS...CANTON...BUFFINGTON...WALESKA AND BALL GROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
TROPICAL ENVIRONMENTS LIKE WE HAVE TODAY CAN PRODUCE TORNADOES THAT 
DEVELOP RAPIDLY AND GIVE LITTLE TIME FOR WARNING.  SUCH TORNADOES 
ALSO FORM WITH LITTLE OR NO LIGHTNING ACTIVITY. TAKE PRECAUTIONS NOW 
TO RESPOND QUICKLY IN THE EVENT A WARNING IS ISSUED OR A TORNADO IS 
SPOTTED IN YOUR AREA.

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 3438 8442 3438 8428 3407 8446 3408 8466
      3438 8455 3438 8445 3439 8443 3439 8442
TIME...MOT...LOC 1848Z 205DEG 34KT 3396 8465

$$
3 follow-up statements
149 
WWUS52 KFFC 051915
SVSFFC

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

GAC057-051930-
/O.CON.KFFC.TO.W.0070.000000T0000Z-110905T1930Z/
CHEROKEE GA-
315 PM EDT MON SEP 5 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR CHEROKEE
COUNTY...

AT 313 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO LOCATED JUST WEST OF WOODSTOCK...MOVING NORTHEAST 
AT 30 MPH.

CHEROKEE COUNTY LAW ENFORCEMENT REPORTED A TORNADO ON THE GROUND ONE 
MILE WEST OF WOODSTOCK AT 313 PM.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LITTLE
RIVER LANDING...LEBANON...BRIDGEMILL...HOLLY SPRINGS...CANTON...
BUFFINGTON...BALL GROUND...WALESKA AND REAVIS MOUNTAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...
TROPICAL ENVIRONMENTS LIKE WE HAVE TODAY CAN PRODUCE TORNADOES THAT 
DEVELOP RAPIDLY AND GIVE LITTLE TIME FOR WARNING.  TAKE PRECAUTIONS 
NOW TO RESPOND QUICKLY IN THE EVENT A WARNING IS ISSUED OR A TORNADO 
IS SPOTTED IN YOUR AREA.

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 3438 8428 3407 8450 3409 8462 3438 8455
      3438 8440 3437 8440 3438 8439
TIME...MOT...LOC 1914Z 210DEG 28KT 3413 8453

$$
161 
WWUS52 KFFC 051920
SVSFFC

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

GAC057-051930-
/O.CON.KFFC.TO.W.0070.000000T0000Z-110905T1930Z/
CHEROKEE GA-
320 PM EDT MON SEP 5 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR CHEROKEE
COUNTY...

AT 313 PM EDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO. THIS 
TORNADO IS LOCATED NORTH OF LEBANON...MOVING NORTHEAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CANTON...BUFFINGTON...BALL GROUND...WALESKA AND REAVIS MOUNTAIN.

TROPICAL ENVIRONMENTS LIKE WE HAVE TODAY CAN PRODUCE TORNADOES THAT 
DEVELOP RAPIDLY AND GIVE LITTLE TIME FOR WARNING.  SUCH TORNADOES 
ALSO FORM WITH LITTLE OR NO LIGHTNING ACTIVITY. TAKE PRECAUTIONS NOW 
TO RESPOND QUICKLY IN THE EVENT A WARNING IS ISSUED OR A TORNADO IS 
SPOTTED IN YOUR AREA.

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 3438 8428 3410 8448 3413 8461 3415 8461
      3438 8455 3438 8448 3437 8447 3437 8440
      3438 8439
TIME...MOT...LOC 1920Z 210DEG 28KT 3417 8450

$$
496 
WWUS52 KFFC 051927
SVSFFC

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

GAC057-051930-
/O.CON.KFFC.TO.W.0070.000000T0000Z-110905T1930Z/
CHEROKEE GA-
327 PM EDT MON SEP 5 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR CHEROKEE
COUNTY...

AT 313 PM EDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO. THIS 
TORNADO WAS LOCATED NORTH OF HOLLY SPRINGS...MOVING NORTHEAST AT 30 
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
CANTON...BUFFINGTON...BALL GROUND...WALESKA AND REAVIS MOUNTAIN.

TROPICAL ENVIRONMENTS LIKE WE HAVE TODAY CAN PRODUCE TORNADOES THAT 
DEVELOP RAPIDLY AND GIVE LITTLE TIME FOR WARNING.  SUCH TORNADOES 
ALSO FORM WITH LITTLE OR NO LIGHTNING ACTIVITY. TAKE PRECAUTIONS NOW 
TO RESPOND QUICKLY IN THE EVENT A WARNING IS ISSUED OR A TORNADO IS 
SPOTTED IN YOUR AREA.

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 3438 8428 3413 8446 3417 8461 3438 8455
      3438 8453 3437 8450 3437 8447 3437 8440
      3438 8439
TIME...MOT...LOC 1925Z 210DEG 28KT 3421 8449

$$

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, 2:56 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, 3:26 PM EDTTornado WarningFFCBartow, Cherokee, Cobb, Paulding34 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.