Alert archive / Georgia / Tornado Warnings in 2011

Tornado Warning 17, NWS Atlanta, GA

April 15, 2011Gilmer County, Gordon County, Pickens County, Georgia

NWS Atlanta, GA issued this tornado warning at Apr 15, 2011, 5:14 PM EDT for Gilmer County, Gordon County, Pickens County, Georgia. It was in force for 46 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: Apr 15, 2011, 5:14 PM EDT (21:14 UTC)
Expired: Apr 15, 2011, 6:00 PM EDT
In force: 46 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Gilmer County, GA, Gordon County, GA, Pickens County, GA

The radar

The Atlanta radar (KFFC), 129 km from the middle of the area, began a volume at 21:16 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 15, 5:15 PM EDT	HAIL 1.25	Jasper, GA
Apr 15, 6:00 PM EDT	TSTM WND DMG	5 S Ellijay, GA	15-20 TREES DOWN ACROSS THE SOUTHERN END OF THE COUNTY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.2 hours before the alert went out and 128 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1094 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

364 
WFUS52 KFFC 152114
TORFFC
GAC123-129-227-152200-
/O.NEW.KFFC.TO.W.0017.110415T2114Z-110415T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
514 PM EDT FRI APR 15 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN GILMER COUNTY IN NORTH CENTRAL GEORGIA
  PICKENS COUNTY IN NORTH CENTRAL GEORGIA
  SOUTHEASTERN GORDON COUNTY IN NORTHWEST GEORGIA

* UNTIL 600 PM EDT

* AT 511 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO ALONG A
  LINE EXTENDING FROM 15 MILES WEST OF TALKING ROCK TO 13 MILES
  SOUTHWEST OF TALKING ROCK TO 20 MILES SOUTHWEST OF TALKING ROCK...
  MOVING NORTHEAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  JASPER.

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.

&&

LAT...LON 3462 8426 3457 8429 3458 8433 3456 8435
      3451 8434 3441 8441 3440 8458 3441 8459
      3440 8477 3443 8477 3449 8479 3472 8439
TIME...MOT...LOC 2114Z 244DEG 37KT 3449 8473 3445 8469
          3435 8477

$$

1 follow-up statement

505 
WWUS52 KFFC 152136
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
536 PM EDT FRI APR 15 2011

GAC129-152146-
/O.CAN.KFFC.TO.W.0017.000000T0000Z-110415T2200Z/
GORDON GA-
536 PM EDT FRI APR 15 2011

...THE TORNADO WARNING FOR SOUTHEASTERN GORDON COUNTY IS 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.

LAT...LON 3462 8426 3457 8429 3458 8434 3456 8435
      3451 8434 3443 8444 3444 8457 3447 8462
      3451 8460 3459 8461 3472 8439
TIME...MOT...LOC 2136Z 244DEG 37KT 3459 8451 3454 8449
          3446 8452

$$

GAC123-227-152200-
/O.CON.KFFC.TO.W.0017.000000T0000Z-110415T2200Z/
PICKENS GA-GILMER GA-
536 PM EDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR SOUTHERN
GILMER AND NORTHERN PICKENS COUNTIES...

AT 535 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF TORNADO PRODUCING STORMS. THESE TORNADO PRODUCING
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM TALONA TO TALKING
ROCK TO HINTON...MOVING NORTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
JASPER...CARTECAY...SEQUOYAH LAKE...LAKE TAMARACK AND ROY.

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.

&&

LAT...LON 3462 8426 3457 8429 3458 8434 3456 8435
      3451 8434 3443 8444 3444 8457 3447 8462
      3451 8460 3459 8461 3472 8439
TIME...MOT...LOC 2136Z 244DEG 37KT 3459 8451 3454 8449
          3446 8452

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 4:12 AM EDT	Wind Advisory	FFC	Bartow, Carroll, Catoosa, Chattooga, Cherokee, Cobb and 18 more	16 hr
Apr 15, 4:54 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Gordon, Murray, Pickens	51 min
Apr 15, 5:52 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Fannin, Gilmer, Pickens	23 min
Apr 15, 6:14 PM EDT	Severe Thunderstorm Warning	FFC	Dawson, Fannin, Lumpkin, Union	46 min
Apr 15, 6:20 PM EDT	Severe Thunderstorm Warning	FFC	Gordon, Murray, Whitfield	25 min
Apr 15, 6:29 PM EDT	Severe Thunderstorm Warning	FFC	Carroll	46 min
Apr 15, 6:35 PM EDT	Severe Thunderstorm Warning	FFC	Towns	40 min
Apr 15, 6:38 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Floyd, Gordon	52 min
Apr 15, 6:41 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer, Murray	49 min
Apr 15, 6:44 PM EDT	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Cobb, Fulton, Paulding, Polk	46 min
Apr 15, 6:52 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Douglas, Paulding	23 min
Apr 15, 7:07 PM EDT	Severe Thunderstorm Warning	FFC	Harris, Troup	38 min
Apr 15, 7:11 PM EDT	Severe Thunderstorm Warning	FFC	Cobb, Douglas, Fulton	34 min
Apr 15, 7:22 PM EDT	Tornado Warning	FFC	Harris, Muscogee	38 min
Apr 15, 7:43 PM EDT	Severe Thunderstorm Warning	FFC	Cherokee, Cobb, Fulton	47 min
Apr 15, 7:51 PM EDT	Tornado Warning	FFC	Harris, Meriwether, Talbot	39 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.