Alert archive / Georgia / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 15, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Feb 28, 2011, 4:09 PM EST for Bartow County, Cherokee County, Pickens County, Georgia. It was in force for 51 min. 10 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
- Feb 28, 2011, 4:09 PM EST (21:09 UTC)
- Expired
- Feb 28, 2011, 5:00 PM EST
- In force
- 51 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Bartow County, GA, Cherokee County, GA, Pickens County, GA
The radar
The Atlanta radar (KFFC), 101 km from the middle of the area, began a volume at 21:12 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 |
|---|---|---|---|
| Feb 28, 4:30 PM EST | FUNNEL CLOUD | Sw Cartersville, GA | A TRAINED STORM SPOTTER HAD SPOTTED A CIRCULATION/FUNNEL CLOUD SOUTHWEST OF CARTERSVILLE. DEBRIS WAS REPORTED ON THE GROUND WITH ROTATION. |
| Feb 28, 4:35 PM EST | TSTM WND DMG | Cartersville, GA | BARTOW COUNTY EMA RELAYED A REPORT OF MANY TREES DOWN IN THE CARTERSVILLE AREA. |
| Feb 28, 4:39 PM EST | TSTM WND DMG | 4 E Waleska, GA | CHEROKEE COUNTY EMERGENCY MANAGEMENT REPORTED SEVERAL DOWNED PINE TREES. |
| Feb 28, 4:48 PM EST | TSTM WND DMG | Woodstock, GA | CHEROKEE COUNTY EMERGENCY MANAGEMENT REPORTS POWER OUTAGES IN MOST OF WOODSTOCK. |
| Feb 28, 4:50 PM EST | HAIL 1.25 | 3 Ne Acworth, GA | PUBLIC REPORTED QUARTER TO HALF DOLLAR SIZED HAIL. |
| Feb 28, 4:51 PM EST | HAIL 0.75 | Woodstock, GA | CHEROKEE COUNTY EMERGENCY MANAGEMENT RELAYED REPORT OF DIME SIZED HAIL AT HOBGOOD PARK IN WOODSTOCK. |
| Feb 28, 4:53 PM EST | TSTM WND DMG | Ball Ground, GA | AMATEUR RADIO RELAYED REPORTS OF STRUCTURE DAMAGE. THE BACK WALL OF A BUILDING WAS BLOWN DOWN ON CHEROKEE DRIVE. |
| Feb 28, 4:54 PM EST | TSTM WND DMG | Woodstock, GA | CHEROKEE COUNTY EMERGENCY MANAGEMENT RELAYED REPORTS ON 6 DOWNED TREES AND POWER LINES IN WOODSTOCK. |
| Feb 28, 4:55 PM EST | HAIL 1.25 | Canton, GA | CHEROKEE COUNTY EMERGENCY MANAGEMENT RELAYED A REPORT OF HALF DOLLAR SIZED HAIL. |
| Feb 28, 4:57 PM EST | TSTM WND DMG | 1 S Canton, GA | CHEROKEE COUNTY EMERGENCY MANAGEMENT RELAYED REPORTS DOWNED TREES AND POWERLINES SOUTH OF CANTON. |
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 |
|---|---|---|---|
| Feb 28, 1:29 PM EST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.2 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1162 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 229 m²/s²
- 0-3 km storm-relative helicity
- 350 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
231
WUUS52 KFFC 282109
SVRFFC
GAC015-057-227-282200-
/O.NEW.KFFC.SV.W.0015.110228T2109Z-110228T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
409 PM EST MON FEB 28 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
PICKENS COUNTY IN NORTH CENTRAL GEORGIA
SOUTHEASTERN BARTOW COUNTY IN NORTHWEST GEORGIA
* UNTIL 500 PM EST
* AT 406 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL. THIS
STORM WAS LOCATED NEAR WHITE...MOVING EAST AT 50 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
EMERSON...TALKING ROCK...WALESKA...CANTON...JASPER...HOLLY
SPRINGS...WOODSTOCK...BUFFINGTON...NELSON...BALL GROUND AND FREE
HOME.
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 800 PM EST MONDAY EVENING FOR
NORTHERN GEORGIA.
&&
LAT...LON 3455 8434 3447 8432 3447 8429 3432 8426
3419 8426 3418 8435 3413 8437 3412 8442
3408 8442 3409 8459 3411 8461 3409 8462
3410 8494 3425 8492 3437 8466 3455 8464
TIME...MOT...LOC 2109Z 282DEG 45KT 3434 8475
$$
161 follow-up statement
132
WWUS52 KFFC 282156
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
456 PM EST MON FEB 28 2011
GAC227-282201-
/O.CAN.KFFC.SV.W.0015.000000T0000Z-110228T2200Z/
PICKENS GA-
456 PM EST MON FEB 28 2011
...THE SEVERE THUNDERSTORM WARNING FOR PICKENS COUNTY HAS BEEN
CANCELLED...
THE SEVERE THUNDERSTORMS THAT EARLIER PROMPTED THE WARNING FOR
PICKENS COUNTY HAVE MOVED SOUTHEAST INTO CHEROKEE AND DAWSON
COUNTIES.
IF YOU SAW WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...CALL
THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EST MONDAY EVENING FOR
NORTHERN GEORGIA.
LAT...LON 3419 8492 3420 8467 3431 8450 3437 8427
3419 8426 3418 8436 3413 8437 3412 8442
3408 8442 3409 8459 3411 8461 3411 8463
3409 8462 3410 8494
TIME...MOT...LOC 2151Z 282DEG 45KT 3423 8413
$$
GAC015-057-282200-
/O.CON.KFFC.SV.W.0015.000000T0000Z-110228T2200Z/
CHEROKEE GA-BARTOW GA-
456 PM EST MON FEB 28 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EST
FOR SOUTHERN BARTOW AND CHEROKEE COUNTIES...
AT 449 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
HAIL. THIS STORM WAS LOCATED 7 MILES EAST OF HOLBROOK...MOVING EAST
AT 50 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION...STRONG ROTATION HAS BEEN INDICATED IN THE
THUNDERSTORMS IN SOUTHEAST BARTOW COUNTY. A TORNADO WARNING REMAINS
IN EFFECT FOR SOUTHEAST BARTOW...AND SOUTHERN CHEROKEE COUNTIES. A
TORNADO MAY DEVELOP WITHIN THE LEADING EDGE OF THUNDERSTORMS AT ANY
TIME. SEEK SHELTER INSIDE A STURDY BUILDING AND STAY AWAY FROM
OUTSIDE WALLS AND WINDOWS.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
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 800 PM EST MONDAY EVENING FOR
NORTHERN GEORGIA.
&&
LAT...LON 3419 8492 3420 8467 3431 8450 3437 8427
3419 8426 3418 8436 3413 8437 3412 8442
3408 8442 3409 8459 3411 8461 3411 8463
3409 8462 3410 8494
TIME...MOT...LOC 2151Z 282DEG 45KT 3423 8413
$$
19The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 4:04 AM EST | Wind Advisory | FFC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more | 15 hr |
| Feb 28, 2:25 PM EST | Severe Thunderstorm Warning | FFC | Catoosa, Dade, Walker | 50 min |
| Feb 28, 2:45 PM EST | Severe Thunderstorm Warning | FFC | Murray, Whitfield | 45 min |
| Feb 28, 3:08 PM EST | Severe Thunderstorm Warning | FFC | Chattooga, Dade, Floyd, Walker | 37 min |
| Feb 28, 3:13 PM EST | Severe Thunderstorm Warning | FFC | Fannin, Gilmer | 32 min |
| Feb 28, 3:29 PM EST | Severe Thunderstorm Warning | FFC | Towns, Union | 31 min |
| Feb 28, 3:42 PM EST | Severe Thunderstorm Warning | FFC | Bartow, Chattooga, Floyd, Gordon | 48 min |
| Feb 28, 3:50 PM EST | Severe Thunderstorm Warning | FFC | Bartow, Floyd, Polk | 25 min |
| Feb 28, 4:17 PM EST | Severe Thunderstorm Warning | FFC | Bartow, Floyd | 13 min |
| Feb 28, 4:32 PM EST | Tornado Warning | FFC | Bartow, Cherokee, Cobb, Paulding | 28 min |
| Feb 28, 4:40 PM EST | Severe Thunderstorm Warning | FFC | Dawson, Forsyth, Hall | 50 min |
| Feb 28, 4:56 PM EST | Tornado Warning | FFC | Cherokee, Cobb, Forsyth, Fulton | 35 min |
| Feb 28, 5:04 PM EST | Severe Thunderstorm Warning | FFC | Carroll, Haralson, Paulding, Polk | 41 min |
| Feb 28, 5:16 PM EST | Severe Thunderstorm Warning | FFC | Banks, Barrow, Clarke, Gwinnett, Hall, Jackson and 3 more | 44 min |
| Feb 28, 5:49 PM EST | Severe Thunderstorm Warning | FFC | Carroll, Cobb, Douglas, Fulton, Paulding | 41 min |
| Feb 28, 5:55 PM EST | Tornado Warning | FFC | Douglas, Fulton | 35 min |
| Feb 28, 6:12 PM EST | Severe Thunderstorm Warning | FFC | Clayton, DeKalb, Henry, Newton, Rockdale | 33 min |
| Feb 28, 6:36 PM EST | Severe Thunderstorm Warning | FFC | Meriwether, Troup | 39 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.