Alert archive / Georgia / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 200, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 27, 2011, 8:35 AM EDT for 11 counties in Georgia. It was in force for 55 min. 4 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
- Apr 27, 2011, 8:35 AM EDT (12:35 UTC)
- Expired
- Apr 27, 2011, 9:30 AM EDT
- In force
- 55 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Bartow County, GA, Cherokee County, GA, Cobb County, GA, Gilmer County, GA, Gordon County, GA, Murray County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Walker County, GA, Whitfield County, GA
The radar
The Atlanta radar (KFFC), 100 km from the middle of the area, began a volume at 12:36 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 27, 8:41 AM EDT | TSTM WND DMG | Suttles Mill, GA | WALKER COUNTY 911 RELAYED A REPORT OF SEVERAL TREES DOWN IN SHUTTLES MILL. |
| Apr 27, 8:59 AM EDT | TSTM WND DMG | Calhoun, GA | ROOF OFF A BUILDING IN DOWNTOWN CALHOUN. |
| Apr 27, 9:00 AM EDT | TSTM WND DMG | Resaca, GA | PUBLIC RELAYED A REPORT OF TWO TREES DOWN. |
| Apr 27, 9:08 AM EDT | TSTM WND DMG | Chatsworth, GA | MURRAY COUNTY 911 RELAYED A REPORT OF WIDESPREAD TREE DAMAGE AND POWER LINES DOWN COUNTY WIDE. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 27, 7:48 AM EDT | Tornado Watch | SPC | 2 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 0.6 hours before the alert went out and 100 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.
- Mixed-layer CAPE
- 748 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 501 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 345 m²/s²
- 0-3 km storm-relative helicity
- 460 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
297
WUUS52 KFFC 271235
SVRFFC
GAC015-057-067-123-129-213-223-227-233-295-313-271330-
/O.NEW.KFFC.SV.W.0200.110427T1235Z-110427T1330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
835 AM EDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
COBB COUNTY IN NORTH CENTRAL GEORGIA
GILMER COUNTY IN NORTH CENTRAL GEORGIA
PICKENS COUNTY IN NORTH CENTRAL GEORGIA
BARTOW COUNTY IN NORTHWEST GEORGIA
GORDON COUNTY IN NORTHWEST GEORGIA
MURRAY COUNTY IN NORTHWEST GEORGIA
PAULDING COUNTY IN NORTHWEST GEORGIA
EASTERN POLK COUNTY IN NORTHWEST GEORGIA
SOUTHEASTERN WALKER COUNTY IN NORTHWEST GEORGIA
SOUTHERN WHITFIELD COUNTY IN NORTHWEST GEORGIA
* UNTIL 930 AM EDT
* AT 831 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
UP TO 70 MPH AS WELL AS HAIL UP TO QUARTER SIZE. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 15 MILES WEST OF CALHOUN
TO 15 MILES WEST OF CARTERSVILLE TO 10 MILES WEST OF DALLAS...MOVING
EAST NORTHEAST AT 70 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TAYLORSVILLE...ADAIRSVILLE...BRASWELL...EUHARLEE...CALHOUN...
CASSVILLE...DALLAS...HIRAM...RESACA...AUSTELL...POWDER SPRINGS...
CARTERSVILLE...WHITE...EMERSON...SMYRNA...MARIETTA...ACWORTH...
KENNESAW...CHATSWORTH...ETON...WOODSTOCK...WALESKA...HOLLY
SPRINGS...TALKING ROCK...ELLIJAY...EAST ELLIJAY...CANTON...
BUFFINGTON...JASPER...FREE HOME...BALL GROUND AND NELSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED WEAK ROTATION ALONG 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...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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.
&&
LAT...LON 3478 8432 3457 8428 3455 8435 3447 8432
3447 8426 3420 8426 3410 8442 3398 8437
3391 8445 3383 8445 3375 8457 3380 8462
3377 8489 3381 8504 3391 8507 3439 8501
3440 8511 3459 8507 3459 8526 3489 8468
TIME...MOT...LOC 1233Z 226DEG 65KT 3453 8526 3426 8502
3384 8508
$$3 follow-up statements
877
WWUS52 KFFC 271300
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
900 AM EDT WED APR 27 2011
GAC233-295-271309-
/O.CAN.KFFC.SV.W.0200.000000T0000Z-110427T1330Z/
WALKER GA-POLK GA-
900 AM EDT WED APR 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN POLK AND SOUTHEASTERN
WALKER COUNTIES IS CANCELLED...
THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.
LAT...LON 3478 8432 3457 8428 3458 8433 3455 8435
3447 8432 3447 8426 3420 8426 3417 8435
3414 8436 3410 8442 3398 8437 3391 8445
3383 8446 3375 8457 3380 8462 3377 8489
3424 8484 3459 8507 3470 8505 3489 8468
TIME...MOT...LOC 1259Z 251DEG 41KT 3459 8494 3432 8470
3390 8476
$$
GAC015-057-067-123-129-213-223-227-313-271330-
/O.CON.KFFC.SV.W.0200.000000T0000Z-110427T1330Z/
WHITFIELD GA-PICKENS GA-PAULDING GA-MURRAY GA-BARTOW GA-CHEROKEE GA-
COBB GA-GILMER GA-GORDON GA-
900 AM EDT WED APR 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM EDT
FOR GORDON...GILMER...COBB...CHEROKEE...EASTERN BARTOW...MURRAY...
EASTERN PAULDING...PICKENS AND SOUTHERN WHITFIELD COUNTIES...
AT 855 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS OF 60 TO 80 MPH. THESE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM SUGAR VALLEY TO WHITE TO DALLAS...MOVING EAST AT
45 MPH.
MOVE TO A SAFE PLACE NOW!
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 NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.
&&
LAT...LON 3478 8432 3457 8428 3458 8433 3455 8435
3447 8432 3447 8426 3420 8426 3417 8435
3414 8436 3410 8442 3398 8437 3391 8445
3383 8446 3375 8457 3380 8462 3377 8489
3424 8484 3459 8507 3470 8505 3489 8468
TIME...MOT...LOC 1259Z 251DEG 41KT 3459 8494 3432 8470
3390 8476
$$624
WWUS52 KFFC 271310
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
910 AM EDT WED APR 27 2011
GAC015-057-067-123-129-213-223-227-313-271330-
/O.CON.KFFC.SV.W.0200.000000T0000Z-110427T1330Z/
WHITFIELD GA-PICKENS GA-PAULDING GA-MURRAY GA-BARTOW GA-CHEROKEE GA-
COBB GA-GILMER GA-GORDON GA-
910 AM EDT WED APR 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM EDT
FOR GORDON...GILMER...COBB...CHEROKEE...EASTERN BARTOW...MURRAY...
EASTERN PAULDING...PICKENS AND SOUTHERN WHITFIELD COUNTIES...
AT 909 AM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM RAMHURST TO CANTON TO 5 MILES WEST OF
MARIETTA...MOVING EAST AT 45 MPH. THE STORMS HAVE WEAKENED IN THE
LAST 10 MINUTES AND ONLY ISOLATED AREAS OF WIND DAMAGE IS NOW
EXPECTED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.
&&
LAT...LON 3478 8432 3457 8428 3458 8433 3455 8435
3447 8432 3447 8426 3420 8426 3417 8435
3414 8436 3410 8442 3398 8437 3391 8445
3383 8446 3375 8457 3380 8462 3377 8489
3424 8484 3459 8507 3470 8505 3489 8468
TIME...MOT...LOC 1310Z 251DEG 41KT 3470 8467 3437 8454
3390 8463
$$717
WWUS52 KFFC 271319
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
919 AM EDT WED APR 27 2011
GAC015-057-067-223-313-271328-
/O.CAN.KFFC.SV.W.0200.000000T0000Z-110427T1330Z/
WHITFIELD GA-PAULDING GA-BARTOW GA-CHEROKEE GA-COBB GA-
919 AM EDT WED APR 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR COBB...CHEROKEE...EASTERN
BARTOW...EASTERN PAULDING AND SOUTHERN WHITFIELD COUNTIES IS
CANCELLED...
THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED SIGNIFICANTLY.
GUSTY WINDS TO 40 MPH AND HEAVY RAIN CAN BE EXPECTED THROUGH 945 AM
EDT.
IF YOU SAW 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 NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.
LAT...LON 3488 8463 3485 8462 3485 8456 3478 8433
3458 8428 3458 8433 3454 8435 3447 8432
3447 8426 3443 8426 3438 8448 3439 8458
3483 8480 3489 8467
TIME...MOT...LOC 1318Z 251DEG 41KT 3462 8457 3442 8449
$$
GAC123-129-213-227-271330-
/O.CON.KFFC.SV.W.0200.000000T0000Z-110427T1330Z/
PICKENS GA-MURRAY GA-GILMER GA-GORDON GA-
919 AM EDT WED APR 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM EDT
FOR EXTREME NORTHEASTERN GORDON...GILMER...EASTERN MURRAY AND PICKENS
COUNTIES...
AT 913 AM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM ROUNDTOP TO TALMADGE...MOVING EAST AT 45
MPH. ONLY ISOLATED AREAS OF WIND DAMAGE CAN BE EXPECTED.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TALKING
ROCK...CONASAUGA LAKE...TALONA...MOUNTAINTOWN...JASPER...TATE...
ELLIJAY...LAKE TAMARACK...CARTECAY...ROY...CHERRY LOG AND SEQUOYAH LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.
&&
LAT...LON 3488 8463 3485 8462 3485 8456 3478 8433
3458 8428 3458 8433 3454 8435 3447 8432
3447 8426 3443 8426 3438 8448 3439 8458
3483 8480 3489 8467
TIME...MOT...LOC 1318Z 251DEG 41KT 3462 8457 3442 8449
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 8:04 AM EDT | Severe Thunderstorm Warning | FFC | Bartow, Chattooga, Floyd, Haralson, Polk | 56 min |
| Apr 27, 8:16 AM EDT | Tornado Warning | FFC | Catoosa, Chattooga, Dade, Walker, Whitfield | 44 min |
| Apr 27, 8:25 AM EDT | Tornado Warning | FFC | Dade, Walker | 35 min |
| Apr 27, 8:28 AM EDT | Severe Thunderstorm Warning | FFC | Carroll, Haralson, Heard | 32 min |
| Apr 27, 8:42 AM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Murray, Whitfield | 48 min |
| Apr 27, 8:51 AM EDT | Severe Thunderstorm Warning | FFC | Clayton, Coweta, Douglas, Fayette, Fulton | 29 min |
| Apr 27, 8:54 AM EDT | Tornado Warning | FFC | Gilmer, Gordon, Murray, Whitfield | 51 min |
| Apr 27, 9:02 AM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Dade, Walker | 16 min |
| Apr 27, 9:26 AM EDT | Severe Thunderstorm Warning | FFC | Fannin, Gilmer, Murray | 39 min |
| Apr 27, 1:59 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 61 min |
| Apr 27, 2:25 PM EDT | Tornado Warning | FFC | Dade, Walker | 34 min |
| Apr 27, 2:37 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Whitfield | 25 min |
| Apr 27, 5:07 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 38 min |
| Apr 27, 5:14 PM EDT | Tornado Warning | FFC | Dade, Walker | 46 min |
| Apr 27, 5:51 PM EDT | Tornado Warning | FFC | Catoosa | 24 min |
| Apr 27, 5:53 PM EDT | River Flood Warning | FFC | Dade | 11 hr |
| Apr 27, 6:03 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Walker | 27 min |
| Apr 27, 6:15 PM EDT | Severe Thunderstorm Warning | FFC | Dade | 30 min |
| Apr 27, 7:20 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga, Dade, Walker | 55 min |
| Apr 27, 7:32 PM EDT | Tornado Warning | FFC | Chattooga, Dade, Walker | 43 min |
| Apr 27, 7:59 PM EDT | Tornado Warning | FFC | Catoosa, Walker, Whitfield | 46 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.