Alert archive / Georgia / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 5, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Feb 25, 2011, 2:36 AM EST for 4 counties in Georgia. It was in force for 54 min. 2 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, 2:36 AM EST (07:36 UTC)
- Expired
- Feb 25, 2011, 3:30 AM EST
- In force
- 54 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Carroll County, GA, Coweta County, GA, Heard County, GA, Troup County, GA
The radar
The Atlanta radar (KFFC), 32 km from the middle of the area, began a volume at 07:39 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, 3:02 AM EST | TSTM WND DMG | Carrollton, GA | TWO TREES AND TWO POWER LINES DOWN. |
| Feb 25, 3:15 AM EST | TSTM WND DMG | Franklin, GA | HEARD COUNTY 911 RELAYED A REPORT OF A DOWNED TREE ON SOUTH RIVER ROAD IN FRANKLIN. |
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, 7.6 hours before the alert went out and 38 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.
557
WUUS52 KFFC 250736
SVRFFC
GAC045-077-149-285-250830-
/O.NEW.KFFC.SV.W.0005.110225T0736Z-110225T0830Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
236 AM EST FRI FEB 25 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN CARROLL COUNTY IN NORTHWEST GEORGIA
WESTERN COWETA COUNTY IN WEST CENTRAL GEORGIA
HEARD COUNTY IN WEST CENTRAL GEORGIA
TROUP COUNTY IN WEST CENTRAL GEORGIA
* UNTIL 330 AM EST
* AT 231 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
15 MILES WEST OF BOWDON TO 33 MILES WEST OF EPHESUS TO 55 MILES
WEST OF WEST POINT...MOVING EAST AT 50 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ROOPVILLE...CARROLLTON...CENTRALHATCHEE...WHITESBURG...FRANKLIN...
CORINTH...HOGANSVILLE...LAGRANGE AND GRANTVILLE.
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 3359 8490 3357 8489 3358 8482 3352 8482
3352 8483 3351 8482 3322 8482 3321 8484
3319 8484 3318 8486 3287 8485 3287 8519
3357 8533
TIME...MOT...LOC 0736Z 271DEG 45KT 3350 8544 3324 8572
3301 8604
$$1 follow-up statement
749
WWUS52 KFFC 250812
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
312 AM EST FRI FEB 25 2011
GAC045-077-149-285-250830-
/O.CON.KFFC.SV.W.0005.000000T0000Z-110225T0830Z/
TROUP GA-HEARD GA-COWETA GA-CARROLL GA-
312 AM EST FRI FEB 25 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM EST
FOR SOUTHERN CARROLL...WESTERN COWETA...HEARD AND TROUP COUNTIES...
AT 310 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF STRONG TO SEVERE THUNDERSTORMS CAPABLE OF
PRODUCING DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM NEAR CLEM TO WARESVILLE TO 20 MILES WEST
OF STATE LINE PARK...AND MOVING EAST AT 45 MPH.
THE LINE OF STORMS WAS SHOWING A SLIGHT WEAKENING TREND AND IS
SLOWING DOWN. THEREFORE... THE WARNING MAY BE EXTENDED IF THE STORMS
REMAINS STRONG ENOUGH. IF THE WEAKENING TREND CONTINUES...A WEATHER
ADVISORY WILL BE POSTED FOR THE AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM EST FRIDAY
MORNING FOR NORTHERN GEORGIA.
&&
LAT...LON 3359 8490 3357 8489 3358 8482 3352 8482
3352 8483 3351 8482 3322 8482 3321 8484
3319 8484 3318 8486 3287 8485 3287 8519
3357 8533
TIME...MOT...LOC 0810Z 271DEG 45KT 3349 8493 3323 8521
3300 8553
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 1:12 AM EST | Severe Thunderstorm Warning | FFC | Catoosa, Chattooga, Dade, Floyd, Walker | 63 min |
| 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, 2:43 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.