Alert archive / Georgia / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 202, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 27, 2011, 8:51 AM EDT for 5 counties in Georgia. It was in force for 29 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
- Apr 27, 2011, 8:51 AM EDT (12:51 UTC)
- Expired
- Apr 27, 2011, 9:20 AM EDT
- In force
- 29 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Clayton County, GA, Coweta County, GA, Douglas County, GA, Fayette County, GA, Fulton County, GA
The radar
The Atlanta radar (KFFC), 24 km from the middle of the area, began a volume at 12:55 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 |
|---|---|---|---|
| Apr 27, 7:48 AM EDT | Tornado Watch | SPC | 2 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 0.9 hours before the alert went out and 27 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
- 748 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 501 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 345 m²/s²
- 0-3 km storm-relative helicity
- 460 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
303
WUUS52 KFFC 271251
SVRFFC
GAC063-077-097-113-121-271330-
/O.NEW.KFFC.SV.W.0202.110427T1251Z-110427T1330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
851 AM EDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CLAYTON COUNTY IN NORTH CENTRAL GEORGIA
DOUGLAS COUNTY IN NORTH CENTRAL GEORGIA
FAYETTE COUNTY IN NORTH CENTRAL GEORGIA
SOUTHWESTERN FULTON COUNTY IN NORTH CENTRAL GEORGIA
NORTHERN COWETA COUNTY IN WEST CENTRAL GEORGIA
* UNTIL 930 AM EDT
* AT 845 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
UP TO 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 17 MILES WEST OF DOUGLASVILLE TO 24 MILES WEST OF NEWNAN...
MOVING EAST AT 60 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
DOUGLASVILLE...CHATTAHOOCHEE HILL COUNTRY...LITHIA SPRINGS...
PALMETTO...TYRONE...GRANT PARK-ZOO ATLANTA...MIDTOWN...UNION
CITY...HAPEVILLE...FAIRBURN...EAST POINT...COLLEGE PARK...
ATLANTA...LAKE CITY...MORROW...JONESBORO...RIVERDALE...FOREST
PARK...HARTSFIELD-JACKSON AIRPORT...FAYETTEVILLE...WOOLSEY...
PEACHTREE CITY...TURIN AND SHARPSBURG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
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 NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.
&&
LAT...LON 3346 8498 3344 8492 3352 8482 3358 8482
3358 8491 3378 8490 3381 8462 3375 8457
3382 8448 3383 8435 3365 8435 3365 8431
3336 8435 3335 8439 3332 8439 3331 8497
3343 8501
TIME...MOT...LOC 1250Z 263DEG 36KT 3369 8498 3340 8516
$$2 follow-up statements
609
WWUS52 KFFC 271307
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
907 AM EDT WED APR 27 2011
GAC063-077-113-271317-
/O.CAN.KFFC.SV.W.0202.000000T0000Z-110427T1330Z/
COWETA GA-FAYETTE GA-CLAYTON GA-
907 AM EDT WED APR 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR CLAYTON...FAYETTE AND NORTHERN
COWETA COUNTIES IS CANCELLED...
THE STORM THAT PROMPTED THE WARNING HAS WEAKENED AND WILL NO LONGER
AFFECT THE AREA.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.
LAT...LON 3363 8490 3378 8482 3379 8473 3380 8471
3380 8462 3375 8457 3382 8448 3383 8439
3370 8449 3358 8486 3358 8491
TIME...MOT...LOC 1307Z 251DEG 39KT 3379 8473 3361 8484
$$
GAC097-121-271330-
/O.CON.KFFC.SV.W.0202.000000T0000Z-110427T1330Z/
DOUGLAS GA-FULTON GA-
907 AM EDT WED APR 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM EDT
FOR CENTRAL FULTON AND DOUGLAS COUNTIES...
AT 904 AM EDT...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 DOUGLASVILLE TO HANNAH...MOVING EAST AT 45 MPH. THE STORMS HAVE
WEAKENED AND MAY ONLY PRODUCE ISOLATED AREAS OF DAMAGE.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LITHIA
SPRINGS...CHAPEL HILL...SWEETWATER CREEK STATE PARK...CAMPBELLTON...
SANDTOWN...BOLTON AND BANKHEAD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.
&&
LAT...LON 3363 8490 3378 8482 3379 8473 3380 8471
3380 8462 3375 8457 3382 8448 3383 8439
3370 8449 3358 8486 3358 8491
TIME...MOT...LOC 1307Z 251DEG 39KT 3379 8473 3361 8484
$$340
WWUS52 KFFC 271320
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
920 AM EDT WED APR 27 2011
GAC097-121-271330-
/O.CAN.KFFC.SV.W.0202.000000T0000Z-110427T1330Z/
DOUGLAS GA-FULTON GA-
920 AM EDT WED APR 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL FULTON AND DOUGLAS
COUNTIES IS CANCELLED...
THE STORMS THAT PROMPTED THE WARNINGS HAVE WEAKENED AND ARE NO LONGER
EXPECTED TO PRODUCE SEVERE WEATHER. GUSTY WINDS UP TO 35 MPH AND
HEAVY RAIN ARE STILL POSSIBLE THROUGH 945 AM EDT.
IF YOU SAW WIND DAMAGE...HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON EDT WEDNESDAY FOR
NORTHERN GEORGIA.
LAT...LON 3363 8490 3378 8482 3379 8473 3380 8471
3380 8462 3375 8457 3382 8448 3383 8439
3370 8449 3358 8486 3358 8491
TIME...MOT...LOC 1320Z 251DEG 39KT 3384 8457 3366 8468
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 8:04 AM EDT | Severe Thunderstorm Warning | FFC | Bartow, Chattooga, Floyd, Haralson, Polk | 56 min |
| Apr 27, 8:16 AM EDT | Tornado Warning | FFC | Catoosa, Chattooga, Dade, Walker, Whitfield | 44 min |
| Apr 27, 8:25 AM EDT | Tornado Warning | FFC | Dade, Walker | 35 min |
| Apr 27, 8:28 AM EDT | Severe Thunderstorm Warning | FFC | Carroll, Haralson, Heard | 32 min |
| Apr 27, 8:35 AM EDT | Severe Thunderstorm Warning | FFC | Bartow, Cherokee, Cobb, Gilmer, Gordon, Murray and 5 more | 55 min |
| Apr 27, 8:42 AM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Murray, Whitfield | 48 min |
| Apr 27, 8:54 AM EDT | Tornado Warning | FFC | Gilmer, Gordon, Murray, Whitfield | 51 min |
| Apr 27, 9:02 AM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Dade, Walker | 16 min |
| Apr 27, 9:26 AM EDT | Severe Thunderstorm Warning | FFC | Fannin, Gilmer, Murray | 39 min |
| Apr 27, 1:59 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 61 min |
| Apr 27, 2:25 PM EDT | Tornado Warning | FFC | Dade, Walker | 34 min |
| Apr 27, 2:37 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Whitfield | 25 min |
| Apr 27, 5:07 PM EDT | Severe Thunderstorm Warning | FFC | Dade, Walker | 38 min |
| Apr 27, 5:14 PM EDT | Tornado Warning | FFC | Dade, Walker | 46 min |
| Apr 27, 5:51 PM EDT | Tornado Warning | FFC | Catoosa | 24 min |
| Apr 27, 5:53 PM EDT | River Flood Warning | FFC | Dade | 11 hr |
| Apr 27, 6:03 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Walker | 27 min |
| Apr 27, 6:15 PM EDT | Severe Thunderstorm Warning | FFC | Dade | 30 min |
| Apr 27, 7:20 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga, Dade, Walker | 55 min |
| Apr 27, 7:32 PM EDT | Tornado Warning | FFC | Chattooga, Dade, Walker | 43 min |
| Apr 27, 7:59 PM EDT | Tornado Warning | FFC | Catoosa, Walker, Whitfield | 46 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.