Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 213, NWS Atlanta, GA

April 27, 20114 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 27, 2011, 10:08 PM EDT for 4 counties in Georgia. It was in force for 52 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, 10:08 PM EDT (02:08 UTC)
Expired: Apr 27, 2011, 11:00 PM EDT
In force: 52 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Chattooga County, GA, Dade County, GA, Floyd County, GA, Walker County, GA

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, 2:42 PM EDT	Tornado Watch PDS	SPC	8 hr
Apr 27, 6:52 PM EDT	Tornado Watch PDS	SPC	9 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.1 hours before the alert went out and 164 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1215 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1433 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 244 m²/s²
0-3 km storm-relative helicity: 408 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 15.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

327 
WUUS52 KFFC 280208
SVRFFC
GAC055-083-115-295-280300-
/O.NEW.KFFC.SV.W.0213.110428T0208Z-110428T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1008 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHATTOOGA COUNTY IN NORTHWEST GEORGIA
  SOUTHERN DADE COUNTY IN NORTHWEST GEORGIA
  NORTHEASTERN FLOYD COUNTY IN NORTHWEST GEORGIA
  WALKER COUNTY IN NORTHWEST GEORGIA

* UNTIL 1100 PM EDT

* AT 1007 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED 22 MILES WEST
  OF SUMMERVILLE...MOVING NORTHEAST AT 55 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  TRION...LAFAYETTE AND CHICKAMAUGA.

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 200 AM EDT THURSDAY MORNING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3480 8552 3489 8527 3485 8526 3485 8520
      3478 8520 3477 8515 3472 8516 3472 8505
      3455 8507 3454 8509 3449 8510 3438 8549
      3476 8557
TIME...MOT...LOC 0208Z 245DEG 57KT 3443 8571

$$

2 follow-up statements

216 
WWUS52 KFFC 280242 RRA
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1042 PM EDT WED APR 27 2011

GAC083-115-280252-
/O.CAN.KFFC.SV.W.0213.000000T0000Z-110428T0300Z/
DADE GA-FLOYD GA-
1042 PM EDT WED APR 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FLOYD AND
SOUTHERN DADE COUNTIES IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS EXITED THESE COUNTIES.

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 200 AM EDT THURSDAY MORNING
FOR NORTHERN GEORGIA.

LAT...LON 3489 8527 3485 8526 3485 8520 3478 8520
      3477 8515 3472 8517 3471 8506 3459 8507
      3459 8511 3451 8515 3443 8547 3460 8552
TIME...MOT...LOC 0242Z 245DEG 57KT 3466 8512

$$

GAC055-295-280300-
/O.CON.KFFC.SV.W.0213.000000T0000Z-110428T0300Z/
WALKER GA-CHATTOOGA GA-
1042 PM EDT WED APR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHERN CHATTOOGA AND WALKER COUNTIES...

AT 1039 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED NEAR
SUTTLES MILL...MOVING NORTHEAST AT 65 MPH.

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY.

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 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 200 AM EDT THURSDAY MORNING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3489 8527 3485 8526 3485 8520 3478 8520
      3477 8515 3472 8517 3471 8506 3459 8507
      3459 8511 3451 8515 3443 8547 3460 8552
TIME...MOT...LOC 0242Z 245DEG 57KT 3466 8512

$$

009 
WWUS52 KFFC 280248
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1048 PM EDT WED APR 27 2011

GAC055-295-280300-
/O.CON.KFFC.SV.W.0213.000000T0000Z-110428T0300Z/
WALKER GA-CHATTOOGA GA-
1048 PM EDT WED APR 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHERN CHATTOOGA AND SOUTHERN WALKER COUNTIES...

AT 1044 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZED HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS 
STORM WAS LOCATED NEAR VILLANOW...MOVING NORTHEAST AT 55 MPH.

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 200 AM EDT THURSDAY MORNING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3481 8525 3480 8521 3478 8520 3477 8515
      3472 8517 3471 8506 3459 8507 3459 8511
      3456 8518 3446 8548 3460 8552
TIME...MOT...LOC 0248Z 245DEG 57KT 3470 8501

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 27, 8:13 PM EDT	Tornado Warning	FFC	Chattooga, Floyd, Polk	62 min
Apr 27, 9:02 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Gordon, Murray	43 min
Apr 27, 9:07 PM EDT	Tornado Warning	FFC	Bartow, Cherokee, Dawson, Paulding, Pickens	38 min
Apr 27, 9:18 PM EDT	Tornado Warning	FFC	Dade	22 min
Apr 27, 9:26 PM EDT	Tornado Warning	FFC	Floyd, Haralson, Polk	49 min
Apr 27, 9:31 PM EDT	Tornado Warning	FFC	Bartow, Cherokee, Dawson, Gilmer, Gordon, Lumpkin and 1 more	59 min
Apr 27, 9:41 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Haralson, Paulding, Polk	49 min
Apr 27, 9:59 PM EDT	Tornado Warning	FFC	Fannin, Lumpkin, Towns, Union, White	61 min
Apr 27, 10:04 PM EDT	Tornado Warning	FFC	Bartow, Cherokee, Floyd, Polk	41 min
Apr 27, 10:09 PM EDT	Tornado Warning	FFC	Heard, Troup	66 min
Apr 27, 10:28 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Cobb, Douglas, Haralson, Paulding	21 min
Apr 27, 10:37 PM EDT	Tornado Warning	FFC	Bartow, Cherokee, Dawson, Gilmer, Gordon, Pickens	53 min
Apr 27, 10:43 PM EDT	Severe Thunderstorm Warning	FFC	Catoosa, Murray, Whitfield	47 min
Apr 27, 11:00 PM EDT	Severe Thunderstorm Warning	FFC	Coweta, Harris, Heard, Meriwether, Troup	45 min
Apr 27, 11:01 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd, Gordon	44 min
Apr 27, 11:05 PM EDT	Tornado Warning	FFC	Harris, Meriwether, Troup	40 min
Apr 27, 11:08 PM EDT	Tornado Warning	FFC	Coweta, Fayette, Fulton, Heard	34 min
Apr 27, 11:15 PM EDT	Tornado Warning	FFC	Fannin, Lumpkin, Towns, Union	60 min
Apr 27, 11:29 PM EDT	Tornado Warning	FFC	Harris, Meriwether, Talbot, Troup	46 min
Apr 27, 11:35 PM EDT	Tornado Warning	FFC	Cherokee, Dawson, Gilmer, Pickens	40 min
Apr 27, 11:44 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, Coweta, Fayette, Meriwether, Pike, Spalding	46 min
Apr 27, 11:52 PM EDT	Tornado Warning	FFC	Hall, Lumpkin, White	53 min
Apr 28, 12:02 AM EDT	Tornado Warning	FFC	Coweta, Fayette, Henry, Meriwether, Pike, Spalding	43 min
Apr 28, 12:06 AM EDT	Tornado Warning	FFC	Harris, Meriwether, Pike, Talbot, Upson	39 min
Apr 28, 12:38 AM EDT	Tornado Warning	FFC	Henry, Newton, Rockdale	52 min
Apr 28, 12:41 AM EDT	Tornado Warning	FFC	Butts, Lamar, Monroe, Pike, Upson	49 min
Apr 28, 1:06 AM EDT	Tornado Warning	FFC	Clarke, Greene, Morgan, Newton, Oconee, Walton	39 min
Apr 28, 1:08 AM EDT	Tornado Warning	FFC	Butts, Jasper, Monroe, Putnam	52 min
Apr 28, 1:38 AM EDT	Tornado Warning	FFC	Greene, Morgan, Putnam, Taliaferro, Warren	52 min
Apr 28, 1:48 AM EDT	Severe Thunderstorm Warning	FFC	Oglethorpe, Taliaferro, Wilkes	57 min
Apr 28, 2:03 AM EDT	Severe Thunderstorm Warning	FFC	Jasper, Jones, Lamar, Monroe, Putnam, Upson	57 min
Apr 28, 2:28 AM EDT	Tornado Warning	FFC	Jasper, Jones, Lamar, Monroe	47 min
Apr 28, 2:47 AM EDT	Severe Thunderstorm Warning	FFC	Greene, Hancock, Jones, Putnam, Taliaferro, Warren	43 min
Apr 28, 3:04 AM EDT	Tornado Warning	FFC	Hancock, Warren	41 min
Apr 28, 3:33 AM EDT	Severe Thunderstorm Warning	FFC	Hancock, Putnam	57 min
Apr 28, 3:37 AM EDT	Tornado Warning	FFC	Warren	38 min
Apr 28, 4:18 AM EDT	Tornado Warning	FFC	Jones	42 min
Apr 28, 4:24 AM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Glascock, Hancock, Warren	51 min
Apr 28, 4:36 AM EDT	Flash Flood Warning	FFC	Baldwin, Hancock, Putnam, Taliaferro, Warren, Wilkes	4 hr
Apr 28, 4:59 AM EDT	Severe Thunderstorm Warning	FFC	Warren, Washington, Wilkinson	46 min
Apr 28, 5:41 AM EDT	Severe Thunderstorm Warning	FFC	Glascock, Jefferson	49 min
Apr 28, 10:12 AM EDT	Severe Thunderstorm Warning	FFC	Dooly, Pulaski, Wilcox	33 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2011 Every 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.