Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 512, NWS Atlanta, GA

November 22, 2011Carroll County, Coweta County, Heard County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Nov 22, 2011, 4:36 PM EST for Carroll County, Coweta County, Heard County, Georgia. It was in force for 54 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
Nov 22, 2011, 4:36 PM EST (21:36 UTC)
Expired
Nov 22, 2011, 5:30 PM EST
In force
54 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Carroll County, GA, Coweta County, GA, Heard County, GA

The radar

The Atlanta radar (KFFC), 46 km from the middle of the area, began a volume at 21:36 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, 9.6 hours before the alert went out and 52 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 2011-11-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 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 2011-11-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
21 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
712 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
69 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.

413 
WUUS52 KFFC 222136
SVRFFC
GAC045-077-149-222230-
/O.NEW.KFFC.SV.W.0512.111122T2136Z-111122T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
436 PM EST TUE NOV 22 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARROLL COUNTY IN NORTHWEST GEORGIA
  WESTERN COWETA COUNTY IN WEST CENTRAL GEORGIA
  HEARD COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 530 PM EST

* AT 434 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 EPHESUS TO 9 MILES SOUTHWEST OF EPHESUS TO 17 MILES
  SOUTHWEST OF EPHESUS...MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BOWDON...ROOPVILLE...CENTRALHATCHEE...MOUNT ZION...FRANKLIN...
  CARROLLTON...CORINTH...WHITESBURG AND GRANTVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED ROTATION WITHIN THIS STORM. 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...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 3369 8517 3365 8497 3352 8486 3324 8482
      3322 8488 3322 8495 3317 8508 3319 8508
      3319 8510 3316 8513 3313 8524 3360 8534
TIME...MOT...LOC 2136Z 248DEG 28KT 3341 8539 3332 8535
          3319 8537

$$
4 follow-up statements
344 
WWUS52 KFFC 222152
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
452 PM EST TUE NOV 22 2011

GAC045-077-149-222230-
/O.CON.KFFC.SV.W.0512.000000T0000Z-111122T2230Z/
CARROLL GA-COWETA GA-HEARD GA-
452 PM EST TUE NOV 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EST
FOR HEARD...WESTERN COWETA AND CARROLL COUNTIES...

AT 448 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 1058 MILES SOUTH OF CORINTH TO 1064 MILES SOUTH OF CORINTH TO
1073 MILES SOUTH OF CORINTH...MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO POWERS
CROSSROADS...ARNCO-SARGENT...HANDY...PLANT YATES...WARESVILLE...
TEXAS...FROLONA...ROOSTERVILLE...PLANT WANSLEY...FRANKLIN...
CENTRALHATCHEE...EPHESUS...SEATON LAKE...LOWELL...ABILENE...BLACKJACK
MOUNTAIN...TYUS...CLEM...BOWDON JUNCTION...JOHN TANNER STATE PARK...
WHITESBURG...ROOPVILLE...BOWDON...CARROLLTON AND MOUNT ZION.

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.

&&

LAT...LON 3369 8517 3365 8497 3352 8486 3324 8482
      3322 8488 3322 8511 3318 8525 3360 8534
TIME...MOT...LOC 2152Z 248DEG 28KT 1855 8008 1846 8004
          1833 8006

$$
921 
WWUS52 KFFC 222206
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
506 PM EST TUE NOV 22 2011

GAC045-077-149-222230-
/O.CON.KFFC.SV.W.0512.000000T0000Z-111122T2230Z/
CARROLL GA-COWETA GA-HEARD GA-
506 PM EST TUE NOV 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EST
FOR HEARD...WESTERN COWETA AND SOUTHERN CARROLL COUNTIES...

AT 503 PM EST...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 1057 MILES SOUTH OF CORINTH TO 1063 MILES
SOUTH OF CORINTH TO 1072 MILES SOUTH OF CORINTH...MOVING EAST AT 30
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO POWERS
CROSSROADS...ARNCO-SARGENT...HANDY...PLANT YATES...WARESVILLE...
TEXAS...FROLONA...ROOSTERVILLE...PLANT WANSLEY...FRANKLIN...
CENTRALHATCHEE...EPHESUS...SEATON LAKE...LOWELL...ABILENE...BLACKJACK
MOUNTAIN...TYUS...CLEM...JOHN TANNER STATE PARK...WHITESBURG...
ROOPVILLE AND CARROLLTON.

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.

&&

LAT...LON 3366 8514 3365 8497 3352 8486 3324 8482
      3322 8488 3323 8512 3320 8520 3318 8525
      3344 8527
TIME...MOT...LOC 2206Z 248DEG 28KT 1859 7997 1850 7993
          1837 7995

$$
656 
WWUS52 KFFC 222210
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
510 PM EST TUE NOV 22 2011

GAC045-077-149-222230-
/O.CON.KFFC.SV.W.0512.000000T0000Z-111122T2230Z/
CARROLL GA-COWETA GA-HEARD GA-
510 PM EST TUE NOV 22 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EST
FOR HEARD...WESTERN COWETA AND SOUTHERN CARROLL COUNTIES...

AT 508 PM EST...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED 
ALONG A LINE EXTENDING FROM CARROLLTON TO WARESVILLE...MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO POWERS
CROSSROADS...ARNCO-SARGENT...HANDY...PLANT YATES...WARESVILLE...
TEXAS...FROLONA...ROOSTERVILLE...PLANT WANSLEY...FRANKLIN...
CENTRALHATCHEE...EPHESUS...SEATON LAKE...LOWELL...ABILENE...BLACKJACK
MOUNTAIN...TYUS...CLEM...JOHN TANNER STATE PARK...WHITESBURG...
ROOPVILLE AND CARROLLTON.

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.

&&

LAT...LON 3366 8514 3365 8497 3352 8486 3324 8482
      3322 8488 3322 8491 3324 8512 3320 8519
      3319 8524 3344 8527
TIME...MOT...LOC 2209Z 248DEG 28KT 1860 7995 1851 7991
          1838 7993

$$
896 
WWUS52 KFFC 222223
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
523 PM EST TUE NOV 22 2011

GAC045-077-149-222232-
/O.EXP.KFFC.SV.W.0512.000000T0000Z-111122T2230Z/
CARROLL GA-COWETA GA-HEARD GA-
523 PM EST TUE NOV 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR HEARD...WESTERN COWETA AND
SOUTHERN CARROLL COUNTIES EXPIRES AT 530 PM EST...

AT 517 PM EST...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED 
ALONG A LINE EXTENDING FROM WHITESBURG TO FRANKLIN...MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO POWERS
CROSSROADS...ARNCO-SARGENT...HANDY...PLANT YATES...WARESVILLE...
TEXAS...FROLONA...ROOSTERVILLE...PLANT WANSLEY...FRANKLIN...
CENTRALHATCHEE...EPHESUS...SEATON LAKE...LOWELL...ABILENE...BLACKJACK
MOUNTAIN...TYUS...CLEM...JOHN TANNER STATE PARK...WHITESBURG...
ROOPVILLE AND CARROLLTON.

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 3366 8514 3365 8497 3352 8486 3324 8482
      3322 8488 3322 8491 3324 8512 3320 8519
      3319 8524 3344 8527
TIME...MOT...LOC 2222Z 248DEG 28KT 1864 7985 1855 7981
          1842 7983

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 22, 4:16 PM ESTSpecial Weather StatementFFCHeard59 min
Nov 22, 5:28 PM ESTSpecial Weather StatementFFCHeard32 min
Nov 22, 5:57 PM ESTSpecial Weather StatementFFCTroup33 min
Nov 22, 6:07 PM ESTTornado WarningFFCHeard, Troup38 min
Nov 22, 6:38 PM ESTSpecial Weather StatementFFCCarroll, Cobb, Douglas, Paulding37 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2011Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.