Alert archive / Georgia / Tornado Warnings in 2010

Tornado Warning 32, NWS Atlanta, GA

October 26, 2010Catoosa County, Whitfield County, Georgia

NWS Atlanta, GA issued this tornado warning at Oct 26, 2010, 4:07 PM EDT for Catoosa County, Whitfield County, Georgia. It was in force for 12 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: Oct 26, 2010, 4:07 PM EDT (20:07 UTC)
Expired: Oct 26, 2010, 4:19 PM EDT
In force: 12 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Catoosa County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 104 km from the middle of the area, began a volume at 20:07 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
Oct 26, 2:16 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.1 hours before the alert went out and 182 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: 832 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 541 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 248 m²/s²
0-3 km storm-relative helicity: 273 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 6.0

Open this sounding in Storm Lab

The text

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

115 
WFUS52 KFFC 262007
TORFFC
GAC047-313-262030-
/O.NEW.KFFC.TO.W.0032.101026T2007Z-101026T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
407 PM EDT TUE OCT 26 2010

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CATOOSA COUNTY IN NORTHWEST GEORGIA
  NORTHEASTERN WHITFIELD COUNTY IN NORTHWEST GEORGIA

* UNTIL 430 PM EDT

* AT 402 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR RINGGOLD...
  MOVING NORTHEAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  VARNELL AND COHUTTA.

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 1000 PM EDT TUESDAY EVENING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3498 8481 3497 8481 3486 8506 3493 8514
      3500 8505 3500 8504 3500 8480
TIME...MOT...LOC 2007Z 235DEG 37KT 3493 8502

$$

1 follow-up statement

554 
WWUS52 KFFC 262019
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
419 PM EDT TUE OCT 26 2010

GAC047-313-262028-
/O.CAN.KFFC.TO.W.0032.000000T0000Z-101026T2030Z/
WHITFIELD GA-CATOOSA GA-
419 PM EDT TUE OCT 26 2010

...THE TORNADO WARNING FOR NORTHEASTERN CATOOSA AND NORTHEASTERN
WHITFIELD COUNTIES IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE AREA AND 
SEVERE WEATHER IS NO LONGER EXPECTED.

IF YOU SAW WIND DAMAGE...HAIL OR A TORNADO...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 1000 PM EDT TUESDAY EVENING 
FOR FAR NORTHERN GEORGIA.

LAT...LON 3498 8481 3497 8481 3486 8506 3493 8514
      3500 8505 3500 8504 3500 8480
TIME...MOT...LOC 2018Z 235DEG 37KT 3499 8490

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 26, 5:07 PM EDT	Severe Thunderstorm Warning	FFC	White	8 min
Oct 26, 5:19 PM EDT	Severe Thunderstorm Warning	FFC	Carroll, Cobb, Douglas, Paulding	21 min
Oct 26, 5:57 PM EDT	Severe Thunderstorm Warning	FFC	White	23 min
Oct 26, 6:04 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Gilmer	26 min
Oct 26, 6:21 PM EDT	Severe Thunderstorm Warning	FFC	Fannin, Towns, Union	39 min
Oct 26, 6:49 PM EDT	Severe Thunderstorm Warning	FFC	Forsyth, Fulton, Gwinnett, Hall	26 min
Oct 26, 7:11 PM EDT	Severe Thunderstorm Warning	FFC	Gwinnett, Hall, Jackson	49 min
Oct 26, 7:54 PM EDT	Tornado Warning	FFC	Chattooga, Walker	38 min

Nearby

Tornado Warnings in Georgia, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.