Alert archive / Georgia / Tornado Warnings in 2012
Tornado Warning 20, NWS Atlanta, GA
NWS Atlanta, GA issued this tornado warning at Mar 2, 2012, 9:11 PM EST for 7 counties in Georgia. It was in force for 49 min. 3 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
- Mar 2, 2012, 9:11 PM EST (02:11 UTC)
- Expired
- Mar 2, 2012, 10:00 PM EST
- In force
- 49 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Cherokee County, GA, Cobb County, GA, DeKalb County, GA, Forsyth County, GA, Fulton County, GA, Gwinnett County, GA, Hall County, GA
The radar
The Atlanta radar (KFFC), 88 km from the middle of the area, began a volume at 02:14 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 |
|---|---|---|---|
| Mar 2, 9:14 PM EST | TSTM WND DMG | 5 Nw Sandy Springs, GA | COBB COUNTY 911 REPORTED TREES AND POWERLINES DOWN AT ROSWELL ROAD AND PROVIDENCE ROAD. |
| Mar 2, 9:14 PM EST | TORNADO 1 | 5 Ene Marietta, GA | AN NWS SURVEY TEAM DETERMINED AN EF1 TORNADO WITH A MAXIMUM WIND SPEED OF 100 MPH OCCURRED IN COBB COUNTY. THE PATH WAS 1.4 MILES LONG AND 150 YARDS WIDE. THE TORNADO TOUCHED DOWN AT 913 PM AT THE INTERSECTION OF ROSWELL RD AND OLD CANTON RD...TRACKED EAST ALO |
| Mar 2, 9:14 PM EST | TORNADO 1 | 5 Nw Sandy Springs, GA | AN NWS STORM SURVEY TEAM DETERMINED THAT AN EF1 TORNADO WITH A MAXIMUM WIND SPEED OF 100 MPH OCCURRED IN COBB COUNTY. THE PATH LENGTH WAS ONE MILE WITH A PATH WIDTH OF 150 YARDS. THE TORNADO TOUCHED DOWN AT 914 PM NEAR EAST COBB PARK ALONG ROSWELL RD. IT CONTI |
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 |
|---|---|---|---|
| Mar 2, 3:19 PM EST | Tornado Watch | SPC | 8 hr |
| Mar 2, 5:37 PM EST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.2 hours before the alert went out and 85 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
- 540 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 948 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 274 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
099 WFUS52 KFFC 030211 TORFFC GAC057-067-089-117-121-135-139-030300- /O.NEW.KFFC.TO.W.0020.120303T0211Z-120303T0300Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 911 PM EST FRI MAR 2 2012 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA NORTHEASTERN COBB COUNTY IN NORTH CENTRAL GEORGIA EXTREME NORTHWESTERN DEKALB COUNTY IN NORTH CENTRAL GEORGIA SOUTHWESTERN FORSYTH COUNTY IN NORTH CENTRAL GEORGIA NORTHEASTERN FULTON COUNTY IN NORTH CENTRAL GEORGIA NORTHERN GWINNETT COUNTY IN NORTH CENTRAL GEORGIA EXTREME SOUTHWESTERN HALL COUNTY IN NORTH CENTRAL GEORGIA * UNTIL 1000 PM EST * AT 905 PM EST...A DEBRIS SIGNATURE INDICATED BY DOPPLER RADAR CONFIRMED A TORNADO NEAR MARIETTA...MOVING EAST AT 45 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODSTOCK...MOUNTAIN PARK...ROSWELL...ALPHARETTA...MILTON... BERKELEY LAKE...JOHNS CREEK...DULUTH...CUMMING...SUWANEE AND SUGAR HILL. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS STORM IS CAPABLE OF PRODUCING STRONG TORNADOES. IF YOU ARE IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY! IF YOU SEE WIND DAMAGE...HAIL OR 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST FRIDAY EVENING FOR NORTHERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 100 AM EST SATURDAY MORNING FOR NORTHWESTERN GEORGIA. && LAT...LON 3428 8417 3403 8392 3391 8454 3408 8460 TIME...MOT...LOC 0209Z 253DEG 40KT 3400 8452 $$
2 follow-up statements
768
WWUS52 KFFC 030224
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
924 PM EST FRI MAR 2 2012
GAC067-139-030233-
/O.CAN.KFFC.TO.W.0020.000000T0000Z-120303T0300Z/
COBB GA-HALL GA-
924 PM EST FRI MAR 2 2012
...THE TORNADO WARNING FOR EXTREME SOUTHWESTERN HALL AND NORTHEASTERN
COBB COUNTIES IS CANCELLED...
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST FRIDAY EVENING
FOR NORTHERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
100 AM EST SATURDAY MORNING FOR NORTHWESTERN GEORGIA.
LAT...LON 3428 8417 3403 8392 3396 8438 3397 8438
3398 8437 3400 8439 3413 8445
TIME...MOT...LOC 0223Z 256DEG 41KT 3403 8433
$$
GAC057-089-117-121-135-030300-
/O.CON.KFFC.TO.W.0020.000000T0000Z-120303T0300Z/
CHEROKEE GA-DEKALB GA-FORSYTH GA-GWINNETT GA-FULTON GA-
924 PM EST FRI MAR 2 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM EST FOR
NORTHEASTERN FULTON...NORTHERN GWINNETT...SOUTHWESTERN FORSYTH...
EXTREME NORTHWESTERN DEKALB AND SOUTHEASTERN CHEROKEE COUNTIES...
AT 919 PM EST...DOPPLER RADAR CONTINUED TO INDICATE DEBRIS
ASSOCIATED WITH A TORNADO. THIS TORNADO WAS LOCATED NEAR
ROSWELL...MOVING EAST AT 45 MPH. GOLF BALL SIZED HAIL IS ALSO
POSSIBLE WITH THIS STORM.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BIRMINGHAM...ALPHARETTA...MILTON...HOLBROOK...DUCKTOWN...JOHNS
CREEK...DREW...BROOKWOOD...DULUTH...CUMMING...SUWANEE...BUFORD
DAM-LAKE LANIER PARKS AND SUGAR HILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS
STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE
IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY!
IF YOU SEE WIND DAMAGE...HAIL OR 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST FRIDAY EVENING
FOR NORTHERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
100 AM EST SATURDAY MORNING FOR NORTHWESTERN GEORGIA.
&&
LAT...LON 3428 8417 3403 8392 3396 8438 3397 8438
3398 8437 3400 8439 3413 8445
TIME...MOT...LOC 0223Z 256DEG 41KT 3403 8433
$$638
WWUS52 KFFC 030234
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
934 PM EST FRI MAR 2 2012
GAC057-089-030244-
/O.CAN.KFFC.TO.W.0020.000000T0000Z-120303T0300Z/
CHEROKEE GA-DEKALB GA-
934 PM EST FRI MAR 2 2012
...THE TORNADO WARNING FOR EXTREME NORTHWESTERN DEKALB AND
SOUTHEASTERN CHEROKEE COUNTIES IS CANCELLED...
IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST FRIDAY EVENING
FOR NORTHERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
100 AM EST SATURDAY MORNING FOR NORTHWESTERN GEORGIA.
LAT...LON 3403 8393 3397 8427 3397 8430 3399 8432
3403 8433 3409 8433 3428 8417
TIME...MOT...LOC 0234Z 256DEG 41KT 3406 8418
$$
GAC117-121-135-030300-
/O.CON.KFFC.TO.W.0020.000000T0000Z-120303T0300Z/
FORSYTH GA-GWINNETT GA-FULTON GA-
934 PM EST FRI MAR 2 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM EST FOR
NORTHEASTERN FULTON...NORTHERN GWINNETT AND SOUTHWESTERN FORSYTH
COUNTIES...
AT 928 PM EST...DOPPLER RADAR CONTINUED TO INDICATE DEBRIS
ASSOCIATED WITH A TORNADO. THIS TORNADO WAS LOCATED NEAR
ALPHARETTA...MOVING EAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BROOKWOOD...DULUTH...CUMMING...SUWANEE...BUFORD DAM-LAKE LANIER PARKS
AND SUGAR HILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS
STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE
IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY!
IF YOU SEE WIND DAMAGE...HAIL OR 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM EST FRIDAY EVENING
FOR NORTHERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
100 AM EST SATURDAY MORNING FOR NORTHWESTERN GEORGIA.
&&
LAT...LON 3403 8393 3397 8427 3397 8430 3399 8432
3403 8433 3409 8433 3428 8417
TIME...MOT...LOC 0234Z 256DEG 41KT 3406 8418
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 7:01 PM EST | Special Weather Statement | FFC | Coweta, Heard | 44 min |
| Mar 2, 7:24 PM EST | Severe Thunderstorm Warning | FFC | Catoosa, Murray, Walker, Whitfield | 21 min |
| Mar 2, 7:33 PM EST | Tornado Warning | FFC | Haralson, Polk | 42 min |
| Mar 2, 7:37 PM EST | Special Weather Statement | FFC | Floyd | 38 min |
| Mar 2, 8:14 PM EST | Tornado Warning | FFC | Haralson, Paulding, Polk | 46 min |
| Mar 2, 8:28 PM EST | Special Weather Statement | FFC | Gordon | 32 min |
| Mar 2, 8:34 PM EST | Severe Thunderstorm Warning | FFC | Floyd | 41 min |
| Mar 2, 8:40 PM EST | Tornado Warning | FFC | Cherokee, Cobb, Paulding | 50 min |
| Mar 2, 8:52 PM EST | Tornado Warning | FFC | Floyd | 53 min |
| Mar 2, 9:26 PM EST | Tornado Warning | FFC | Bartow | 35 min |
| Mar 2, 9:39 PM EST | Tornado Warning | FFC | Barrow, Forsyth, Gwinnett, Hall, Jackson | 51 min |
| Mar 2, 9:43 PM EST | Special Weather Statement | FFC | Fannin | 32 min |
| Mar 2, 10:14 PM EST | Special Weather Statement | FFC | Gordon | 46 min |
| Mar 2, 10:17 PM EST | Special Weather Statement | FFC | Banks | 43 min |
| Mar 2, 10:23 PM EST | Special Weather Statement | FFC | Pickens | 52 min |
| Mar 2, 10:30 PM EST | Severe Thunderstorm Warning | FFC | Cherokee, Dawson, Forsyth, Pickens | 33 min |
| Mar 2, 10:35 PM EST | Severe Thunderstorm Warning | FFC | Gordon | 40 min |
| Mar 2, 10:40 PM EST | Special Weather Statement | FFC | White | 50 min |
| Mar 2, 10:46 PM EST | Severe Thunderstorm Warning | FFC | Gordon | 44 min |
| Mar 2, 10:53 PM EST | Tornado Warning | FFC | Dawson, Forsyth, Hall, Lumpkin, White | 37 min |
| Mar 2, 10:59 PM EST | Severe Thunderstorm Warning | FFC | Chattooga, Floyd | 51 min |
| Mar 2, 11:19 PM EST | Flash Flood Warning | FFC | Chattooga, Floyd, Gordon | 4 hr |
| Mar 2, 11:31 PM EST | Special Weather Statement | FFC | White | 14 min |
| Mar 2, 11:42 PM EST | Special Weather Statement | FFC | Pickens | 33 min |
| Mar 3, 12:11 AM EST | Flash Flood Warning | FFC | Gilmer, Pickens | 5 hr |
| Mar 3, 12:15 AM EST | Tornado Warning | FFC | Troup | 45 min |
| Mar 3, 12:16 AM EST | Special Weather Statement | FFC | Floyd, Polk | 29 min |
| Mar 3, 12:51 AM EST | Severe Thunderstorm Warning | FFC | Haralson, Paulding, Polk | 39 min |
| Mar 3, 12:56 AM EST | Severe Thunderstorm Warning | FFC | Coweta, Meriwether | 11 min |
| Mar 3, 1:07 AM EST | Special Weather Statement | FFC | Madison | 23 min |
| Mar 3, 1:14 AM EST | Special Weather Statement | FFC | Carroll, Cobb, Douglas | 46 min |
| Mar 3, 1:21 AM EST | Special Weather Statement | FFC | DeKalb, Fulton | 24 min |
| Mar 3, 1:29 AM EST | Severe Thunderstorm Warning | FFC | DeKalb, Fulton | 31 min |
| Mar 3, 1:42 AM EST | Severe Thunderstorm Warning | FFC | Gwinnett, Walton | 33 min |
| Mar 3, 1:44 AM EST | Special Weather Statement | FFC | Heard | 31 min |
| Mar 3, 1:52 AM EST | Special Weather Statement | FFC | DeKalb, Fulton | 23 min |
| Mar 3, 1:58 AM EST | Tornado Warning | FFC | Barrow, Gwinnett, Walton | 34 min |
| Mar 3, 2:02 AM EST | Special Weather Statement | FFC | Douglas | 28 min |
| Mar 3, 2:10 AM EST | Special Weather Statement | FFC | Coweta | 20 min |
| Mar 3, 2:25 AM EST | Special Weather Statement | FFC | Coweta, Fayette, Meriwether, Troup | 50 min |
| Mar 3, 2:26 AM EST | Special Weather Statement | FFC | Clarke | 34 min |
| Mar 3, 2:34 AM EST | Special Weather Statement | FFC | Clayton | 41 min |
| Mar 3, 2:48 AM EST | Special Weather Statement | FFC | Henry, Newton, Rockdale, Spalding | 27 min |
| Mar 3, 3:10 AM EST | Special Weather Statement | FFC | Butts, Henry, Jasper, Morgan, Newton, Oconee | 35 min |
| Mar 3, 3:31 AM EST | Special Weather Statement | FFC | Oglethorpe | 14 min |
| Mar 3, 3:41 AM EST | Special Weather Statement | FFC | Greene, Oglethorpe, Taliaferro, Wilkes | 34 min |
| Mar 3, 3:47 AM EST | Flash Flood Warning | FFC | DeKalb | 6 hr |
| Mar 3, 4:11 AM EST | Flash Flood Warning | FFC | Gwinnett | 6 hr |
| Mar 3, 5:13 AM EST | River Flood Warning | FFC | Forsyth | 12 hr |
| Mar 3, 5:47 AM EST | River Flood Warning | FFC | Forsyth, Fulton | 36 hr |
| Mar 3, 6:44 AM EST | Special Weather Statement | FFC | Muscogee | 31 min |
| Mar 3, 7:12 AM EST | Special Weather Statement | FFC | Chattahoochee | 33 min |
| Mar 3, 7:42 AM EST | Special Weather Statement | FFC | Bibb, Chattahoochee, Crawford, Macon, Marion, Peach and 4 more | 33 min |
| Mar 3, 8:14 AM EST | Special Weather Statement | FFC | Wheeler | 31 min |
| Mar 3, 8:36 AM EST | Special Weather Statement | FFC | Houston, Twiggs | 24 min |
| Mar 3, 9:01 AM EST | Special Weather Statement | FFC | Houston, Johnson, Twiggs, Wilkinson | 29 min |
| Mar 3, 9:30 AM EST | Special Weather Statement | FFC | Bleckley, Dodge, Emanuel, Johnson, Laurens, Pulaski and 1 more | 30 min |
| Mar 3, 9:57 AM EST | Special Weather Statement | FFC | Dodge, Emanuel, Johnson, Laurens, Treutlen | 48 min |
| Mar 3, 10:19 AM EST | River Flood Warning | FFC | Carroll, Coweta, Heard | 16 hr |
| Mar 3, 2:40 PM EST | Freeze Warning | FFC | Dawson, Fannin, Gilmer, Lumpkin, Pickens, Towns and 2 more | 18 hr |
Nearby
Tornado Warnings in Georgia, 2012Every tornado warning in 2012Tornadoes in 2012
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.