Alert archive / Georgia / Tornado Warnings in 2011
Tornado Warning 88, NWS Atlanta, GA
NWS Atlanta, GA issued this tornado warning at Sep 5, 2011, 4:49 PM EDT for Cobb County, Douglas County, Fulton County, Georgia. It was in force for 41 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
- Sep 5, 2011, 4:49 PM EDT (20:49 UTC)
- Expired
- Sep 5, 2011, 5:30 PM EDT
- In force
- 41 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Cobb County, GA, Douglas County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 49 km from the middle of the area, began a volume at 20:51 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 5, 3:42 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.8 hours before the alert went out and 49 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
- 279 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 471 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 228 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
846
WFUS52 KFFC 052049
TORFFC
GAC067-097-121-052130-
/O.NEW.KFFC.TO.W.0088.110905T2049Z-110905T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
449 PM EDT MON SEP 5 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* TORNADO WARNING FOR...
COBB COUNTY IN NORTH CENTRAL GEORGIA
NORTHEASTERN DOUGLAS COUNTY IN NORTH CENTRAL GEORGIA
CENTRAL FULTON COUNTY IN NORTH CENTRAL GEORGIA
* UNTIL 530 PM EDT
* AT 446 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 14 MILES SOUTH
OF LITHIA SPRINGS...MOVING NORTH AT 40 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
AUSTELL...SMYRNA...MARIETTA AND SANDY SPRINGS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO A
BASEMENT OR INTERIOR ROOM ON THE GROUND FLOOR. STAY AWAY FROM
WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.
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 1100 PM EDT MONDAY EVENING
FOR NORTHERN GEORGIA.
&&
LAT...LON 3372 8474 3406 8459 3400 8433 3361 8456
3368 8476
TIME...MOT...LOC 2049Z 200DEG 33KT 3362 8473
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 12:21 PM EDT | River Flood Warning | FFC | Dade | 59 hr |
| Sep 5, 12:22 PM EDT | Tornado Warning | FFC | Carroll, Haralson, Paulding | 23 min |
| Sep 5, 12:39 PM EDT | Tornado Warning | FFC | Troup | 36 min |
| Sep 5, 1:14 PM EDT | Tornado Warning | FFC | Heard, Troup | 20 min |
| Sep 5, 1:44 PM EDT | Tornado Warning | FFC | Carroll, Coweta | 31 min |
| Sep 5, 1:55 PM EDT | Tornado Warning | FFC | Douglas | 35 min |
| Sep 5, 2:10 PM EDT | Tornado Warning | FFC | Carroll, Heard | 35 min |
| Sep 5, 2:19 PM EDT | Tornado Warning | FFC | Harris, Muscogee | 41 min |
| Sep 5, 2:27 PM EDT | Tornado Warning | FFC | Cobb, Paulding | 48 min |
| Sep 5, 2:48 PM EDT | Flash Flood Warning | FFC | Catoosa, Dade, Walker | 6 hr |
| Sep 5, 2:48 PM EDT | Tornado Warning | FFC | Cherokee | 42 min |
| Sep 5, 2:56 PM EDT | Tornado Warning | FFC | Heard, Troup | 34 min |
| Sep 5, 2:58 PM EDT | Tornado Warning | FFC | Harris, Meriwether, Troup | 39 min |
| Sep 5, 3:00 PM EDT | Special Weather Statement | FFC | Bleckley, Pulaski | 30 min |
| Sep 5, 3:18 PM EDT | Tornado Warning | FFC | Carroll, Coweta, Heard | 42 min |
| Sep 5, 3:20 PM EDT | Severe Thunderstorm Warning | FFC | Bleckley, Houston, Pulaski, Twiggs | 25 min |
| Sep 5, 3:23 PM EDT | Tornado Warning | FFC | Coweta, Meriwether | 37 min |
| Sep 5, 3:26 PM EDT | Tornado Warning | FFC | Bartow, Cherokee, Cobb, Paulding | 34 min |
| Sep 5, 3:27 PM EDT | Special Weather Statement | FFC | Telfair, Wheeler | 33 min |
| Sep 5, 3:29 PM EDT | Tornado Warning | FFC | Cherokee, Pickens | 31 min |
| Sep 5, 3:46 PM EDT | Tornado Warning | FFC | Cherokee, Pickens | 44 min |
| Sep 5, 3:50 PM EDT | Tornado Warning | FFC | Coweta, Fayette | 40 min |
| Sep 5, 3:57 PM EDT | Tornado Warning | FFC | Carroll, Cobb, Douglas, Paulding | 48 min |
| Sep 5, 4:01 PM EDT | Tornado Warning | FFC | Dawson, Fannin, Gilmer, Lumpkin, Pickens, Union | 44 min |
| Sep 5, 4:16 PM EDT | Tornado Warning | FFC | Morgan, Oconee | 29 min |
| Sep 5, 4:24 PM EDT | Tornado Warning | FFC | Carroll, Coweta, Douglas, Fulton | 36 min |
| Sep 5, 4:28 PM EDT | Tornado Warning | FFC | Clayton, DeKalb, Fulton, Henry | 47 min |
| Sep 5, 4:34 PM EDT | Tornado Warning | FFC | Jefferson | 20 min |
| Sep 5, 4:35 PM EDT | Tornado Warning | FFC | Bartow, Cherokee, Cobb, Paulding | 40 min |
| Sep 5, 4:41 PM EDT | Tornado Warning | FFC | Greene, Morgan, Oconee | 49 min |
| Sep 5, 4:43 PM EDT | Tornado Warning | FFC | Clarke, Oconee, Oglethorpe | 47 min |
| Sep 5, 4:57 PM EDT | Special Weather Statement | FFC | Crawford | 48 min |
| Sep 5, 5:02 PM EDT | Tornado Warning | FFC | Crawford | 18 min |
| Sep 5, 5:16 PM EDT | Tornado Warning | FFC | Cherokee, Dawson, Pickens | 44 min |
| Sep 5, 5:16 PM EDT | Tornado Warning | FFC | Madison | 44 min |
| Sep 5, 5:30 PM EDT | Special Weather Statement | FFC | Cobb | 30 min |
| Sep 5, 6:04 PM EDT | Special Weather Statement | FFC | Gwinnett, Hall | 41 min |
| Sep 5, 6:07 PM EDT | Tornado Warning | FFC | Jasper, Jones, Putnam | 24 min |
| Sep 5, 6:57 PM EDT | Special Weather Statement | FFC | Towns | 33 min |
| Sep 5, 7:21 PM EDT | Special Weather Statement | FFC | Cherokee | 39 min |
Nearby
Tornado Warnings in Georgia, 2011Every tornado warning in 2011Tornadoes 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.