Alert archive / Georgia / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 13, NWS Atlanta, GA

February 11, 20099 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 11, 2009, 4:56 PM EST for 9 counties in Georgia. It was in force for 64 min. 6 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
Feb 11, 2009, 4:56 PM EST (21:56 UTC)
Expired
Feb 11, 2009, 6:00 PM EST
In force
64 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Bartow County, GA, Cherokee County, GA, Dawson County, GA, Fannin County, GA, Gilmer County, GA, Lumpkin County, GA, Pickens County, GA, Towns County, GA, Union County, GA

The radar

The Atlanta radar (KFFC), 113 km from the middle of the area, began a volume at 21:58 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
Feb 11, 5:05 PM ESTTSTM WND DMG6 Se Ellijay, GAA FEW TREES BLOWN DOWN ON GEORGIA HWY. 52.
Feb 11, 5:17 PM ESTTSTM WND DMG4 Ne Jasper, GAONE TREE DOWN ON POWER LINE ON GRANDVIEW RD.
Feb 11, 5:25 PM ESTTSTM WND DMG5 N Canton, GASIX TO TEN TREES BLOWN DOWN NEAR CANTON
Feb 11, 5:25 PM ESTTSTM WND DMGBall Ground, GASEVERAL TREES BLOWN WITH A TREE ON A HOUSE
Feb 11, 5:30 PM ESTTSTM WND DMG7 E Canton, GAA FEW TREES BLOWN DOWN
Feb 11, 5:35 PM ESTTSTM WND DMG4 W Dawsonville, GAA FEW TREES BLOWN DOWN ON GEORGIA HWY. 53.

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
Feb 11, 12:10 PM ESTTornado WatchSPC6 hr
Feb 11, 4:08 PM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.9 hours before the alert went out and 111 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 2009-02-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2009-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 330 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
841 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
330 m²/s²
0-3 km storm-relative helicity
366 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 
WUUS52 KFFC 112156
SVRFFC
GAC015-057-085-111-123-187-227-281-291-112300-
/O.NEW.KFFC.SV.W.0013.090211T2156Z-090211T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
456 PM EST WED FEB 11 2009

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
  DAWSON COUNTY IN NORTH CENTRAL GEORGIA
  EASTERN FANNIN COUNTY IN NORTH CENTRAL GEORGIA
  EASTERN GILMER COUNTY IN NORTH CENTRAL GEORGIA
  LUMPKIN COUNTY IN NORTH CENTRAL GEORGIA
  PICKENS COUNTY IN NORTH CENTRAL GEORGIA
  UNION COUNTY IN NORTH CENTRAL GEORGIA
  WESTERN TOWNS COUNTY IN NORTHEAST GEORGIA
  EASTERN BARTOW COUNTY IN NORTHWEST GEORGIA

* UNTIL 600 PM EST

* AT 454 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS UP
  TO 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
  14 MILES NORTHWEST OF BLAIRSVILLE TO WHITE TO 8 MILES SOUTHWEST OF
  CARTERSVILLE...MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  TALKING ROCK...EMERSON...JASPER...WALESKA...NELSON...CANTON...BALL
  GROUND...HOLLY SPRINGS...YOUNG HARRIS...BUFFINGTON...SUCHES...
  WOODSTOCK...HIAWASSEE...FREE HOME AND DAWSONVILLE.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM EST WEDNESDAY EVENING
FOR NORTHWESTERN GEORGIA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EST
WEDNESDAY EVENING FOR NORTHERN GEORGIA.

IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL 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 3472 8384 3451 8406 3433 8415 3433 8426
      3419 8426 3418 8435 3413 8437 3411 8442
      3408 8442 3409 8459 3411 8461 3409 8462
      3409 8491 3500 8414 3499 8372
TIME...MOT...LOC 2155Z 269DEG 29KT 3498 8415 3428 8474
          3410 8491

$$
3 follow-up statements
000 
WWUS52 KFFC 112215
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
515 PM EST WED FEB 11 2009

GAC015-057-085-111-123-187-227-281-291-112300-
/O.CON.KFFC.SV.W.0013.000000T0000Z-090211T2300Z/
CHEROKEE GA-BARTOW GA-PICKENS GA-DAWSON GA-LUMPKIN GA-GILMER GA-
UNION GA-TOWNS GA-FANNIN GA-
512 PM EST WED FEB 11 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EST
FOR EASTERN FANNIN...WESTERN TOWNS...UNION...EASTERN GILMER...
LUMPKIN...DAWSON...PICKENS...SOUTHEASTERN BARTOW AND CHEROKEE
COUNTIES...

AT 511 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM GUMLOG TO LAKE ARROWHEAD TO EMERSON...MOVING EAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MARION...LAKE TAMARACK...MARGRET...SUTALLEE...GEORGE WASHINGTON
CARVER STATE PARK...STOVER CREEK SHELTER...TATE...SPRINGER MOUNTAIN
SHELTER...FAUSETT LAKE...BLACK GAP SHELTER...ALEXANDERS MILL...LEN
FOOTE HIKE INN...AMICALOLA FALLS STATE PARK...KELLOGG CREEK...LITTLE
RIVER LANDING...MARBLEHILL...NELSON...BRIDGEMILL...HAWK MOUNTAIN
SHELTER...BLAIRSVILLE...CANTON...HOBGOOD PARK...GADDISTOWN...BALL
GROUND...CAMP MERRILL...YOUNG HARRIS...OWLTOWN...HOLLY SPRINGS...
LEBANON...JUNO...WOODSTOCK...GOOCH MOUNTAIN SHELTER...VOGEL STATE
PARK...BLOOD MOUNTAIN SHELTER...WOODS HOLE SHELTER...HIAWASSEE...
HOLLIS LATHEM RESERVOIR...HICKORY FLAT...BRASSTOWN BALD...MCKEE...
UNION HILL...LATHEMTOWN...FREE HOME...DAWSONVILLE...LOW GAP 
SHELTER...PORTER SPRINGS AND HOLBROOK.

WEAK...SHORT LIVED TORNADOES CAN SOMETIMES DEVELOP ALONG THE LEADING
EDGE OF SEVERE THUNDERSTORM LINES LIKE THIS ONE. HOWEVER...THE MAIN
THREAT IS DAMAGING WINDS. SEEK SHELTER INSIDE A STURDY BUILDING AND
STAY AWAY FROM OUTSIDE WALLS AND WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM EST WEDNESDAY EVENING
FOR NORTHWESTERN GEORGIA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EST
WEDNESDAY EVENING FOR NORTHERN GEORGIA.

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 3472 8384 3451 8406 3433 8415 3433 8426
      3419 8426 3418 8435 3413 8437 3411 8442
      3408 8442 3409 8459 3411 8461 3409 8462
      3409 8491 3500 8414 3499 8372
TIME...MOT...LOC 2212Z 269DEG 29KT 3497 8398 3428 8457
          3410 8475

$$
000 
WWUS52 KFFC 112233
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
533 PM EST WED FEB 11 2009

GAC015-111-123-112242-
/O.CAN.KFFC.SV.W.0013.000000T0000Z-090211T2300Z/
BARTOW GA-GILMER GA-FANNIN GA-
532 PM EST WED FEB 11 2009

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN FANNIN...EASTERN
GILMER AND SOUTHEASTERN BARTOW COUNTIES IS CANCELLED...

THE LINE OF SEVERE THUNDERSTORMS HAVE MOVED OUT OF THESE COUNTIES...
HOWEVER GUSTY WINDS UP TO 45 MPH MAY STILL OCCUR THROUGH 600 PM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM EST WEDNESDAY EVENING
FOR NORTHWESTERN GEORGIA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EST
WEDNESDAY EVENING FOR NORTHERN GEORGIA.

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 3499 8372 3472 8384 3451 8406 3433 8415
      3433 8426 3419 8426 3418 8436 3408 8442
      3411 8461 3409 8466 3439 8466 3456 8451
      3454 8437 3457 8425 3472 8410 3479 8410
      3480 8415 3488 8411 3495 8417 3499 8412
TIME...MOT...LOC 2232Z 268DEG 28KT 3498 8372 3429 8432
          3411 8450

$$

GAC057-085-187-227-281-291-112300-
/O.CON.KFFC.SV.W.0013.000000T0000Z-090211T2300Z/
CHEROKEE GA-PICKENS GA-DAWSON GA-LUMPKIN GA-UNION GA-TOWNS GA-
532 PM EST WED FEB 11 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EST
FOR WESTERN TOWNS...UNION...LUMPKIN...DAWSON...PICKENS AND CHEROKEE
COUNTIES...

AT 526 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM HIAWASSEE TO BALL GROUND TO HOBGOOD PARK...MOVING EAST AT 45
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HICKORY
FLAT...MCKEE...UNION HILL...LATHEMTOWN...LOW GAP SHELTER...FREE
HOME...PORTER SPRINGS...DAWSONVILLE AND HOLBROOK.

WEAK...SHORT LIVED TORNADOES CAN SOMETIMES DEVELOP ALONG THE LEADING
EDGE OF SEVERE THUNDERSTORM LINES LIKE THIS ONE. HOWEVER...THE MAIN
THREAT IS DAMAGING WINDS. SEEK SHELTER INSIDE A STURDY BUILDING AND
STAY AWAY FROM OUTSIDE WALLS AND WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM EST WEDNESDAY EVENING
FOR NORTHWESTERN GEORGIA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EST
WEDNESDAY EVENING FOR NORTHERN GEORGIA.

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 3499 8372 3472 8384 3451 8406 3433 8415
      3433 8426 3419 8426 3418 8436 3408 8442
      3411 8461 3409 8466 3439 8466 3456 8451
      3454 8437 3457 8425 3472 8410 3479 8410
      3480 8415 3488 8411 3495 8417 3499 8412
TIME...MOT...LOC 2232Z 268DEG 28KT 3498 8372 3429 8432
          3411 8450

$$
000 
WWUS52 KFFC 112249
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
549 PM EST WED FEB 11 2009

GAC227-281-291-112258-
/O.CAN.KFFC.SV.W.0013.000000T0000Z-090211T2300Z/
PICKENS GA-UNION GA-TOWNS GA-
548 PM EST WED FEB 11 2009

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN TOWNS...UNION AND
PICKENS COUNTIES IS CANCELLED...

THE LINE OF SEVERE THUNDERSTORMS HAS MOVED OUT OF THESE COUNTIES.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM EST WEDNESDAY EVENING
FOR NORTHWESTERN GEORGIA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EST
WEDNESDAY EVENING FOR NORTHERN GEORGIA.

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 3471 8385 3450 8407 3433 8415 3433 8426
      3419 8426 3418 8436 3411 8442 3408 8442
      3411 8460 3409 8466 3424 8450 3438 8425
      3472 8390
TIME...MOT...LOC 2248Z 268DEG 28KT 3473 8377 3429 8417
          3411 8435

$$

GAC057-085-187-112300-
/O.CON.KFFC.SV.W.0013.000000T0000Z-090211T2300Z/
CHEROKEE GA-DAWSON GA-LUMPKIN GA-
548 PM EST WED FEB 11 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EST
FOR CENTRAL LUMPKIN...CENTRAL DAWSON AND SOUTHERN CHEROKEE
COUNTIES...

AT 545 PM EST...A LINE OF SEVERE THUNDERSTORMS CONTINUED CAPABLE
OF PRODUCING DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED 
ALONG A LINE EXTENDING FROM NORTHEAST OF PORTER SPRINGS TO NEAR  
FREE HOME TO HICKORY FLAT...MOVING EAST AT 45 MPH.

WEAK...SHORT LIVED TORNADOES CAN SOMETIMES DEVELOP ALONG THE LEADING 
EDGE OF SEVERE THUNDERSTORM LINES LIKE THIS ONE. HOWEVER...THE MAIN 
THREAT IS DAMAGING WINDS. SEEK SHELTER INSIDE A STURDY BUILDING AND 
STAY AWAY FROM OUTSIDE WALLS AND WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM EST WEDNESDAY EVENING
FOR NORTHWESTERN GEORGIA.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EST
WEDNESDAY EVENING FOR NORTHERN GEORGIA.

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 3471 8385 3450 8407 3433 8415 3433 8426
      3419 8426 3418 8436 3411 8442 3408 8442
      3411 8460 3409 8466 3424 8450 3438 8425
      3472 8390
TIME...MOT...LOC 2248Z 268DEG 28KT 3473 8377 3429 8417
          3411 8435

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 2:51 PM ESTSevere Thunderstorm WarningFFCChattooga, Dade, Walker54 min
Feb 11, 3:25 PM ESTSevere Thunderstorm WarningFFCCatoosa, Chattooga, Floyd, Gordon, Walker, Whitfield65 min
Feb 11, 4:02 PM ESTSevere Thunderstorm WarningFFCBartow, Fannin, Gilmer, Gordon, Murray, Pickens and 2 more58 min
Feb 11, 5:29 PM ESTSevere Thunderstorm WarningFFCDawson, Forsyth, Fulton46 min
Feb 11, 5:40 PM ESTSevere Thunderstorm WarningFFCLumpkin, Towns, White35 min
Feb 11, 5:55 PM ESTSevere Thunderstorm WarningFFCHall50 min
Feb 11, 5:57 PM ESTTornado WarningFFCHarris, Troup33 min
Feb 11, 6:10 PM ESTSevere Thunderstorm WarningFFCBanks, Jackson35 min
Feb 11, 6:28 PM ESTTornado WarningFFCMeriwether, Troup33 min
Feb 11, 6:47 PM ESTTornado WarningFFCClayton, DeKalb, Henry, Rockdale28 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2009Every severe thunderstorm warning in 2009

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.