Alert archive / Georgia / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 149, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 11, 2011, 10:40 PM EDT for 8 counties in Georgia. It was in force for 65 min. 1 report 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 11, 2011, 10:40 PM EDT (02:40 UTC)
- Expired
- Apr 11, 2011, 11:45 PM EDT
- In force
- 65 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, Union County, GA
The radar
The Atlanta radar (KFFC), 144 km from the middle of the area, began a volume at 02:41 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 11, 11:09 PM EDT | TSTM WND DMG | Canton, GA | CHEROKEE COUNTY 911 RELAYED A REPORT OF A LARGE TREE DOWN ACROSS THE ROAD. |
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 11, 8:08 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.7 hours before the alert went out and 142 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
- 9 J/kg
- Mixed-layer CIN
- -501 J/kg
- Mixed-layer LCL
- 1916 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 355 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
546
WUUS52 KFFC 120240
SVRFFC
GAC015-057-085-111-123-187-227-291-120345-
/O.NEW.KFFC.SV.W.0149.110412T0240Z-110412T0345Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1040 PM EDT MON APR 11 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
WESTERN DAWSON COUNTY IN NORTH CENTRAL GEORGIA
FANNIN COUNTY IN NORTH CENTRAL GEORGIA
EASTERN GILMER COUNTY IN NORTH CENTRAL GEORGIA
WEST CENTRAL LUMPKIN COUNTY IN NORTH CENTRAL GEORGIA
PICKENS COUNTY IN NORTH CENTRAL GEORGIA
WESTERN UNION COUNTY IN NORTH CENTRAL GEORGIA
NORTHEASTERN BARTOW COUNTY IN NORTHWEST GEORGIA
* UNTIL 1145 PM EDT
* AT 1039 PM EDT...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 NORTH OF BLUE RIDGE TO 6 MILES NORTHEAST OF TALKING ROCK TO
WHITE...MOVING EAST AT 55 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WALESKA...CANTON...MORGANTON...JASPER...BUFFINGTON...BALL GROUND
AND NELSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 300 AM EDT TUESDAY MORNING
FOR NORTHERN GEORGIA.
&&
LAT...LON 3497 8394 3496 8393 3468 8405 3433 8423
3433 8426 3428 8426 3425 8427 3422 8481
3456 8455 3499 8440 3499 8394
TIME...MOT...LOC 0241Z 248DEG 47KT 3500 8429 3460 8443
3433 8464
$$3 follow-up statements
510
WWUS52 KFFC 120305 RRA
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1105 PM EDT MON APR 11 2011
GAC015-057-085-111-123-187-227-291-120345-
/O.CON.KFFC.SV.W.0149.000000T0000Z-110412T0345Z/
UNION GA-PICKENS GA-LUMPKIN GA-BARTOW GA-CHEROKEE GA-DAWSON GA-
FANNIN GA-GILMER GA-
1105 PM EDT MON APR 11 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR EASTERN GILMER...EASTERN FANNIN...WESTERN DAWSON...NORTHERN
CHEROKEE...NORTHEASTERN BARTOW...WEST CENTRAL LUMPKIN...PICKENS AND
WESTERN UNION COUNTIES...
AT 1104 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM MARGRET TO AMICALOLA FALLS STATE PARK TO LAKE ARROWHEAD...MOVING
EAST AT 55 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MARBLEHILL...GADDISTOWN...NOTTELY DAM...NELSON...CAMP MERRILL...IVY
LOG...NIMBLEWILL...BALL GROUND...REAVIS MOUNTAIN...JUNO AND HOLLIS
LATHEM RESERVOIR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT TUESDAY MORNING
FOR NORTHERN GEORGIA.
&&
LAT...LON 3495 8393 3468 8405 3433 8423 3433 8426
3425 8427 3422 8481 3498 8420 3499 8394
TIME...MOT...LOC 0305Z 248DEG 47KT 3478 8408 3461 8419
3428 8454
$$601
WWUS52 KFFC 120316
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1116 PM EDT MON APR 11 2011
GAC015-120326-
/O.CAN.KFFC.SV.W.0149.000000T0000Z-110412T0345Z/
BARTOW GA-
1116 PM EDT MON APR 11 2011
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BARTOW COUNTY IS
CANCELLED...
.
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 300 AM EDT TUESDAY MORNING
FOR NORTHERN GEORGIA.
LAT...LON 3484 8398 3433 8423 3433 8426 3425 8427
3424 8457 3484 8427
TIME...MOT...LOC 0316Z 248DEG 47KT 3483 8391 3466 8403
3433 8438
$$
GAC057-085-111-123-187-227-291-120345-
/O.CON.KFFC.SV.W.0149.000000T0000Z-110412T0345Z/
UNION GA-PICKENS GA-LUMPKIN GA-CHEROKEE GA-DAWSON GA-FANNIN GA-
GILMER GA-
1116 PM EDT MON APR 11 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR SOUTHEASTERN GILMER...SOUTHEASTERN FANNIN...WESTERN DAWSON...
NORTHERN CHEROKEE...WEST CENTRAL LUMPKIN...EASTERN PICKENS AND
SOUTHWESTERN UNION COUNTIES...
AT 1114 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 11 MILES NORTHEAST OF GADDISTOWN TO CAMP MERRILL TO BALL
GROUND...MOVING EAST AT 55 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO REAVIS
MOUNTAIN...JUNO AND HOLLIS LATHEM RESERVOIR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT TUESDAY MORNING
FOR NORTHERN GEORGIA.
&&
LAT...LON 3484 8398 3433 8423 3433 8426 3425 8427
3424 8457 3484 8427
TIME...MOT...LOC 0316Z 248DEG 47KT 3483 8391 3466 8403
3433 8438
$$111
WWUS52 KFFC 120340
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1140 PM EDT MON APR 11 2011
GAC057-085-111-123-187-227-291-120349-
/O.EXP.KFFC.SV.W.0149.000000T0000Z-110412T0345Z/
UNION GA-PICKENS GA-LUMPKIN GA-CHEROKEE GA-DAWSON GA-FANNIN GA-
GILMER GA-
1140 PM EDT MON APR 11 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GILMER...
SOUTHEASTERN FANNIN...WESTERN DAWSON...NORTHERN CHEROKEE...WEST
CENTRAL LUMPKIN...EASTERN PICKENS AND SOUTHWESTERN UNION COUNTIES
EXPIRES AT 1145 PM EDT...
AT 1138 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
WEAKENING OF THE WARNED THUNDERSTORMS. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 21 MILES NORTHEAST OF GADDISTOWN TO 9
MILES EAST OF GADDISTOWN TO NIMBLEWILL...MOVING NORTHEAST AT 40 MPH.
.
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 300 AM EDT TUESDAY MORNING
FOR NORTHERN GEORGIA.
A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 500 AM EDT
TUESDAY MORNING FOR NORTHERN GEORGIA.
LAT...LON 3484 8398 3433 8423 3433 8426 3425 8427
3424 8457 3484 8427
TIME...MOT...LOC 0339Z 244DEG 35KT 3491 8379 3474 8391
3450 8409
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 8:38 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Chattooga, Dade, Walker | 52 min |
| Apr 11, 9:21 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Chattooga, Floyd, Gordon, Murray, Polk and 2 more | 54 min |
| Apr 11, 10:01 PM EDT | Severe Thunderstorm Warning | FFC | Carroll, Cobb, Douglas, Haralson, Paulding, Polk | 44 min |
| Apr 11, 10:11 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Fannin, Gilmer, Gordon, Murray and 2 more | 34 min |
| Apr 11, 10:44 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Carroll, Cherokee, Cobb, Coweta, Douglas and 4 more | 48 min |
| Apr 11, 11:42 PM EDT | Severe Thunderstorm Warning | FFC | Chattahoochee, Harris, Meriwether, Muscogee, Talbot, Troup | 48 min |
| Apr 12, 4:28 AM EDT | Wind Advisory | FFC | Baldwin, Banks, Barrow, Bartow, Bibb, Butts and 73 more | 16 hr |
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.