Alert archive / Georgia / Tornado Warnings in 2011

Tornado Warning 47, NWS Atlanta, GA

April 27, 20114 counties in Georgia

NWS Atlanta, GA issued this tornado warning at Apr 27, 2011, 11:35 PM EDT for 4 counties in Georgia. It was in force for 40 min. 1 report 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: Apr 27, 2011, 11:35 PM EDT (03:35 UTC)
Expired: Apr 28, 2011, 12:15 AM EDT
In force: 40 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Cherokee County, GA, Dawson County, GA, Gilmer County, GA, Pickens County, GA

The radar

The Atlanta radar (KFFC), 124 km from the middle of the area, began a volume at 03:35 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
Apr 27, 11:53 PM EDT	TSTM WND DMG	3 Wnw Dawsonville, GA	AMATEUR RADIO RELAYED REPORTS FROM DAWSON COUNTY EMERGENCY MANAGEMENT OF SEVERAL DOWNED TREES IN CENTRAL DAWSON COUNTY.

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
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, 3.6 hours before the alert went out and 122 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.

192 
WFUS52 KFFC 280335
TORFFC
GAC057-085-123-227-280415-
/O.NEW.KFFC.TO.W.0047.110428T0335Z-110428T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1135 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CHEROKEE COUNTY IN NORTH CENTRAL GEORGIA
  DAWSON COUNTY IN NORTH CENTRAL GEORGIA
  SOUTHEASTERN GILMER COUNTY IN NORTH CENTRAL GEORGIA
  EASTERN PICKENS COUNTY IN NORTH CENTRAL GEORGIA

* UNTIL 1215 AM EDT

* AT 1130 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR CANTON...
  MOVING NORTHEAST AT 70 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BALL
  GROUND...NELSON...JASPER AND DAWSONVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO A
BASEMENT OR INTERIOR ROOM ON THE GROUND FLOOR. STAY AWAY FROM
WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

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 3463 8419 3454 8419 3446 8410 3445 8406
      3444 8405 3433 8424 3433 8425 3432 8426
      3419 8448 3434 8460 3468 8426
TIME...MOT...LOC 0335Z 234DEG 60KT 3434 8441

$$

2 follow-up statements

802 
WWUS52 KFFC 280350
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1150 PM EDT WED APR 27 2011

GAC057-123-280359-
/O.CAN.KFFC.TO.W.0047.000000T0000Z-110428T0415Z/
CHEROKEE GA-GILMER GA-
1150 PM EDT WED APR 27 2011

...THE TORNADO WARNING FOR SOUTHEASTERN GILMER AND NORTHERN CHEROKEE
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 3453 8418 3446 8410 3444 8405 3433 8424
      3434 8426 3438 8426 3438 8442 3444 8440
      3458 8432 3457 8426 3459 8425 3461 8421
      3461 8419
TIME...MOT...LOC 0349Z 240DEG 53KT 3443 8421

$$

GAC085-227-280415-
/O.CON.KFFC.TO.W.0047.000000T0000Z-110428T0415Z/
PICKENS GA-DAWSON GA-
1150 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR DAWSON
AND EASTERN PICKENS COUNTIES...

AT 1144 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO LOCATED NEAR HOLLIS LATHEM RESERVOIR...MOVING 
NORTHEAST AT 60 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO JUNO...
AMICALOLA FALLS STATE PARK...DAWSONVILLE...MCKEE AND LEN FOOTE HIKE
INN.

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 3453 8418 3446 8410 3444 8405 3433 8424
      3434 8426 3438 8426 3438 8442 3444 8440
      3458 8432 3457 8426 3459 8425 3461 8421
      3461 8419
TIME...MOT...LOC 0349Z 240DEG 53KT 3443 8421

$$

063 
WWUS52 KFFC 280407
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1207 AM EDT THU APR 28 2011

GAC227-280416-
/O.CAN.KFFC.TO.W.0047.000000T0000Z-110428T0415Z/
PICKENS GA-
1207 AM EDT THU APR 28 2011

...THE TORNADO WARNING FOR EASTERN PICKENS COUNTY HAS BEEN 
CANCELLED...

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 3446 8410 3444 8405 3433 8424 3434 8426
      3438 8426 3450 8421 3453 8418
TIME...MOT...LOC 0406Z 240DEG 53KT 3455 8394

$$

GAC085-280415-
/O.CON.KFFC.TO.W.0047.000000T0000Z-110428T0415Z/
DAWSON GA-
1207 AM EDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR CENTRAL
DAWSON COUNTY...

AT 1203 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO. THIS TORNADO WAS LOCATED 10 MILES 
NORTHEAST OF MCKEE...MOVING NORTHEAST AT 60 MPH. DAMAGE HAS BEEN 
REPORTED BY THE PUBLIC FROM THIS THUNDERSTORM...ALTHOUGH A TORNADO 
HAS NOT YET BEEN CONFIRMED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! TORNADOES AT NIGHT ARE EXTREMELY DANGEROUS. DO NOT
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE.

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 3446 8410 3444 8405 3433 8424 3434 8426
      3438 8426 3450 8421 3453 8418
TIME...MOT...LOC 0406Z 240DEG 53KT 3455 8394

$$



19

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, 10:08 PM EDT	Severe Thunderstorm Warning	FFC	Chattooga, Dade, Floyd, Walker	52 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, 11:44 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

Tornado Warnings in Georgia, 2011 Every tornado warning in 2011 Tornadoes 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.