Alert archive / Georgia / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 1, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Feb 25, 2011, 1:12 AM EST for 5 counties in Georgia. It was in force for 63 min. 5 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 25, 2011, 1:12 AM EST (06:12 UTC)
- Expired
- Feb 25, 2011, 2:15 AM EST
- In force
- 63 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Catoosa County, GA, Chattooga County, GA, Dade County, GA, Floyd County, GA, Walker County, GA
The radar
The Northeast Alabama radar (KHTX), 94 km from the middle of the area, began a volume at 06:12 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 25, 1:40 AM EST | TSTM WND DMG | Trenton, GA | THREE TREES DOWN IN WALLWOOD AREA OF NORTH TRENTON. |
| Feb 25, 1:54 AM EST | TSTM WND DMG | 1 N Fort Oglethorpe, GA | THREE TREES AND THREE POWER LINES DOWN IN THE NORTHWEST PART OF THE COUNTY. |
| Feb 25, 1:54 AM EST | TSTM WND DMG | 2 S Lafayette, GA | 3 TREES DOWN IN THE SOUTHERN END OF THE COUNTY. |
| Feb 25, 2:00 AM EST | TSTM WND DMG | 4 Nw Summerville, GA | ONE TREE DOWN ON SHINBONE VALLEY ROAD. |
| Feb 25, 2:12 AM EST | TSTM WND DMG | Rome, GA | ONE TREE DOWN. |
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 24, 11:59 PM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.2 hours before the alert went out and 148 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
- 2 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1511 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 274 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
186
WUUS52 KFFC 250612
SVRFFC
GAC047-055-083-115-295-250715-
/O.NEW.KFFC.SV.W.0001.110225T0612Z-110225T0715Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
112 AM EST FRI FEB 25 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CATOOSA COUNTY IN NORTHWEST GEORGIA
CHATTOOGA COUNTY IN NORTHWEST GEORGIA
DADE COUNTY IN NORTHWEST GEORGIA
FLOYD COUNTY IN NORTHWEST GEORGIA
WALKER COUNTY IN NORTHWEST GEORGIA
* UNTIL 215 AM EST
* AT 112 AM EST...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
20 MILES WEST OF TRENTON TO 45 MILES WEST OF CAVE SPRING... AND
MOVING EAST AT 50 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
LOOKOUT MOUNTAIN...ROSSVILLE...CHICKAMAUGA...FORT OGLETHORPE...
LAFAYETTE...SUMMERVILLE...TRION...RINGGOLD AND ROME.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.
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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM EST FRIDAY
MORNING FOR NORTHERN GEORGIA.
&&
LAT...LON 3499 8497 3485 8502 3485 8506 3481 8506
3481 8512 3472 8516 3471 8505 3463 8505
3451 8509 3442 8511 3440 8509 3411 8516
3410 8526 3409 8526 3409 8542 3499 8561
TIME...MOT...LOC 0611Z 271DEG 45KT 3492 8580 3455 8590
3415 8608
$$3 follow-up statements
608
WWUS52 KFFC 250630
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
130 AM EST FRI FEB 25 2011
GAC047-055-083-115-295-250715-
/O.CON.KFFC.SV.W.0001.000000T0000Z-110225T0715Z/
FLOYD GA-CHATTOOGA GA-DADE GA-WALKER GA-CATOOSA GA-
130 AM EST FRI FEB 25 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM EST
FOR CATOOSA...WALKER...DADE...CHATTOOGA AND FLOYD COUNTIES...
AT 130 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR COLE CITY TO 25 MILES SOUTHWEST OF
CHATTOOGAVILLE... MOVING EAST AT 50 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS LINE OF STORMS HAVE A HISTORY OF PRODUCING DAMAGING WINDS AND
SOME SMALL HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM EST FRIDAY
MORNING FOR NORTHERN GEORGIA.
&&
LAT...LON 3499 8497 3485 8502 3485 8506 3481 8506
3481 8512 3472 8516 3471 8505 3463 8505
3451 8509 3442 8511 3440 8509 3411 8516
3410 8526 3409 8526 3409 8542 3499 8561
TIME...MOT...LOC 0628Z 271DEG 45KT 3496 8554 3454 8564
3414 8582
$$805
WWUS52 KFFC 250703
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
203 AM EST FRI FEB 25 2011
GAC083-250712-
/O.CAN.KFFC.SV.W.0001.000000T0000Z-110225T0715Z/
DADE GA-
203 AM EST FRI FEB 25 2011
...THE SEVERE THUNDERSTORM WARNING FOR DADE COUNTY IS CANCELLED...
THE LINE OF STORMS HAS MOVED EAST OF DADE 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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM EST FRIDAY
MORNING FOR NORTHERN GEORGIA.
LAT...LON 3499 8497 3485 8502 3485 8506 3481 8506
3481 8513 3473 8516 3471 8505 3463 8505
3451 8509 3442 8511 3440 8509 3411 8516
3409 8542 3462 8553 3473 8545 3488 8543
3499 8536
TIME...MOT...LOC 0702Z 271DEG 45KT 3495 8502 3453 8512
3413 8531
$$
GAC047-055-115-295-250715-
/O.CON.KFFC.SV.W.0001.000000T0000Z-110225T0715Z/
FLOYD GA-CHATTOOGA GA-WALKER GA-CATOOSA GA-
203 AM EST FRI FEB 25 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM EST
FOR CATOOSA...WALKER...CHATTOOGA AND FLOYD COUNTIES...
AT 159 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM SALEM TO SUBLIGNA TO CAVE SPRING...MOVING EAST AT 50 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LAKE
MARVIN...ROME AND LINDALE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM EST FRIDAY
MORNING FOR NORTHERN GEORGIA.
&&
LAT...LON 3499 8497 3485 8502 3485 8506 3481 8506
3481 8513 3473 8516 3471 8505 3463 8505
3451 8509 3442 8511 3440 8509 3411 8516
3409 8542 3462 8553 3473 8545 3488 8543
3499 8536
TIME...MOT...LOC 0702Z 271DEG 45KT 3495 8502 3453 8512
3413 8531
$$802
WWUS52 KFFC 250715
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
215 AM EST FRI FEB 25 2011
GAC047-055-115-295-250724-
/O.EXP.KFFC.SV.W.0001.000000T0000Z-110225T0715Z/
FLOYD GA-CHATTOOGA GA-WALKER GA-CATOOSA GA-
215 AM EST FRI FEB 25 2011
...THE SEVERE THUNDERSTORM WARNING FOR CATOOSA...WALKER...CHATTOOGA
AND FLOYD COUNTIES WILL BE ALLOWED TO EXPIRE AT 215 AM EST...
AT 214 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF STRONG TO SEVERE THUNDERSTORMS CAPABLE OF
PRODUCING DAMAGING WINDS. THE LINE OF STORMS WAS MOVING EAST OF THE
WARNED AREA... AND THEREFORE THE WARNING FOR CATOOSA... WALKER...
CHATTOOGA AND FLOYD COUNTIES WILL BE ALLOWED TO EXPIRE AT 215 AM
EST.
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 SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM EST FRIDAY
MORNING FOR NORTHERN GEORGIA.
LAT...LON 3499 8497 3485 8502 3485 8506 3481 8506
3481 8513 3473 8516 3471 8505 3463 8505
3451 8509 3442 8511 3440 8509 3411 8516
3409 8542 3462 8553 3473 8545 3488 8543
3499 8536
TIME...MOT...LOC 0714Z 271DEG 45KT 3494 8493 3452 8503
3412 8522
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 1:48 AM EST | Severe Thunderstorm Warning | FFC | Bartow, Floyd, Gordon, Murray, Whitfield | 57 min |
| Feb 25, 1:51 AM EST | Severe Thunderstorm Warning | FFC | Carroll, Douglas, Haralson, Paulding, Polk | 54 min |
| Feb 25, 2:25 AM EST | Severe Thunderstorm Warning | FFC | Cherokee, Fannin, Gilmer, Pickens | 54 min |
| Feb 25, 2:36 AM EST | Severe Thunderstorm Warning | FFC | Carroll, Coweta, Heard, Troup | 54 min |
| Feb 25, 2:43 AM EST | Severe Thunderstorm Warning | FFC | Carroll, Cobb, Douglas, Fulton, Hall | 62 min |
| Feb 25, 2:48 AM EST | Severe Thunderstorm Warning | FFC | Carroll, Haralson, Paulding | 27 min |
| Feb 25, 3:19 AM EST | Wind Advisory | FFC | Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more | 13 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.