Alert archive / Georgia / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 3, NWS Atlanta, GA

January 6, 20095 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jan 6, 2009, 5:23 PM EST for 5 counties in Georgia. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jan 6, 2009, 5:23 PM EST (22:23 UTC)
Expired
Jan 6, 2009, 6:15 PM EST
In force
52 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Bartow County, GA, Gordon County, GA, Murray County, GA, Walker County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 116 km from the middle of the area, began a volume at 22:24 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.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.4 hours before the alert went out and 140 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 2009-01-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 joules per kilogram.LCLEL10008507005003002001001 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 2009-01-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 295 square meters per square second.1939587897117Sfc1 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
40 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
473 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
295 m²/s²
0-3 km storm-relative helicity
391 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 062223
SVRFFC
GAC015-129-213-295-313-062315-
/O.NEW.KFFC.SV.W.0003.090106T2223Z-090106T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
523 PM EST TUE JAN 6 2009

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BARTOW COUNTY IN NORTHWEST GEORGIA
  GORDON COUNTY IN NORTHWEST GEORGIA
  MURRAY COUNTY IN NORTHWEST GEORGIA
  SOUTHEASTERN WALKER COUNTY IN NORTHWEST GEORGIA
  SOUTHERN WHITFIELD COUNTY IN NORTHWEST GEORGIA

* UNTIL 615 PM EST

* AT 519 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 9
  MILES WEST OF TILTON TO 8 MILES WEST OF OOSTANAULA TO 20 MILES
  SOUTHWEST OF OOSTANAULA...MOVING EAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  DALTON...CALHOUN...NICKELSVILLE...CHATSWORTH...AUDUBON...
  ADAIRSVILLE...REDBUD...RAMHURST...FORT MOUNTAIN STATE PARK...
  FOLSOM...OAKMAN...FUNKHOUSER AND FAIRMOUNT.

DOPPLER RADAR HAS INDICATED ROTATION WITHIN THESE STORMS. ALTHOUGH
CURRENT DATA DOES NOT INDICATE THE EXISTENCE OF A TORNADO...A TORNADO
MAY STILL DEVELOP. 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.

IF YOU SEE WIND DAMAGE 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 3490 8462 3484 8462 3481 8459 3477 8464
      3473 8465 3440 8465 3425 8502 3434 8502
      3435 8500 3439 8500 3442 8511 3451 8509
      3454 8507 3458 8508 3459 8518 3474 8513
TIME...MOT...LOC 2223Z 250DEG 38KT 3469 8504 3450 8511
          3429 8523

$$
2 follow-up statements
000 
WWUS52 KFFC 062247
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
547 PM EST TUE JAN 6 2009

GAC295-062257-
/O.CAN.KFFC.SV.W.0003.000000T0000Z-090106T2315Z/
WALKER GA-
547 PM EST TUE JAN 6 2009

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WALKER COUNTY IS
CANCELLED...

THE SEVERE THUNDERSTORM HAS EXITED WALKER COUNTY.

IF YOU SAW WIND DAMAGE 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 3490 8462 3484 8462 3481 8459 3477 8464
      3473 8465 3440 8465 3426 8501 3434 8502
      3435 8500 3439 8500 3442 8508 3480 8492
TIME...MOT...LOC 2247Z 250DEG 38KT 3478 8475 3459 8482
          3438 8494

$$

GAC015-129-213-313-062315-
/O.CON.KFFC.SV.W.0003.000000T0000Z-090106T2315Z/
BARTOW GA-GORDON GA-WHITFIELD GA-MURRAY GA-
547 PM EST TUE JAN 6 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EST
FOR MURRAY...SOUTHEASTERN WHITFIELD...GORDON AND NORTHERN BARTOW
COUNTIES...

AT 545 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 CHATSWORTH TO AUDUBON TO ADAIRSVILLE...MOVING EAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ETON...
REDBUD...RAMHURST...FARMVILLE...FORT MOUNTAIN STATE PARK...FOLSOM...
SONORAVILLE...OAKMAN...CARTERS...RANGER...FUNKHOUSER AND FAIRMOUNT.

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 WINDIOWS.

IF YOU SEE WIND DAMAGE 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 3490 8462 3484 8462 3481 8459 3477 8464
      3473 8465 3440 8465 3426 8501 3434 8502
      3435 8500 3439 8500 3442 8508 3480 8492
TIME...MOT...LOC 2247Z 250DEG 38KT 3478 8475 3459 8482
          3438 8494

$$
000 
WWUS52 KFFC 062302
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
602 PM EST TUE JAN 6 2009

GAC313-062312-
/O.CAN.KFFC.SV.W.0003.000000T0000Z-090106T2315Z/
WHITFIELD GA-
602 PM EST TUE JAN 6 2009

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WHITFIELD COUNTY
IS CANCELLED...

THE SEVERE THUNDERSTORM HAS EXITED WHITFIELD COUNTY.

IF YOU SAW WIND DAMAGE OR SIGNIFICANT FLOODING... CALL THE NATIONAL 
WEATHER SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.

LAT...LON 3490 8462 3484 8462 3481 8459 3477 8464
      3473 8465 3440 8465 3426 8501 3433 8502
      3445 8490 3481 8473
TIME...MOT...LOC 2302Z 250DEG 38KT 3482 8456 3463 8463
          3442 8476

$$

GAC015-129-213-062315-
/O.CON.KFFC.SV.W.0003.000000T0000Z-090106T2315Z/
BARTOW GA-GORDON GA-MURRAY GA-
602 PM EST TUE JAN 6 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EST
FOR SOUTHEASTERN MURRAY...EASTERN GORDON AND NORTHERN BARTOW
COUNTIES...

AT 558 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 6 MILES NORTHEAST OF FORT MOUNTAIN STATE PARK TO CARTERS TO
FOLSOM...MOVING EAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
FUNKHOUSER AND FAIRMOUNT.

IF YOU SEE WIND DAMAGE 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 3490 8462 3484 8462 3481 8459 3477 8464
      3473 8465 3440 8465 3426 8501 3433 8502
      3445 8490 3481 8473
TIME...MOT...LOC 2302Z 250DEG 38KT 3482 8456 3463 8463
          3442 8476

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 6, 6:45 AM ESTAreal Flood WarningFFCForsyth24 hr
Jan 6, 6:51 AM ESTRiver Flood WarningFFCForsyth, Fulton57 hr
Jan 6, 7:57 AM ESTRiver Flood WarningFFCDawson, Forsyth15 hr
Jan 6, 8:46 AM ESTAreal Flood WarningFFCBartow, Chattooga, Cherokee, Floyd, Gilmer, Gordon and 1 more24 hr
Jan 6, 9:40 AM ESTAreal Flood WarningFFCBanks, Dawson, Fannin, Hall, Lumpkin, Towns and 2 more22 hr
Jan 6, 10:56 AM ESTRiver Flood WarningFFCCherokee33 hr
Jan 6, 12:20 PM ESTRiver Flood WarningFFCPolk13 hr
Jan 6, 12:33 PM ESTRiver Flood WarningFFCDade47 hr
Jan 6, 12:46 PM ESTAreal Flood WarningFFCCatoosa, Murray, Walker, Whitfield24 hr
Jan 6, 3:15 PM ESTSevere Thunderstorm WarningFFCChattooga, Dade, Walker45 min
Jan 6, 3:19 PM ESTTornado WarningFFCDade, Walker17 min
Jan 6, 3:37 PM ESTRiver Flood WarningFFCGilmer15 hr
Jan 6, 4:41 PM ESTSevere Thunderstorm WarningFFCChattooga, Floyd64 min
Jan 6, 4:55 PM ESTTornado WarningFFCChattooga, Floyd50 min
Jan 6, 5:33 PM ESTRiver Flood WarningFFCGordon, Murray, Whitfield4 days

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.