Alert archive / Georgia / Tornado Warnings in 2010

Tornado Warning 33, NWS Atlanta, GA

October 26, 2010Chattooga County, Walker County, Georgia

NWS Atlanta, GA issued this tornado warning at Oct 26, 2010, 7:54 PM EDT for Chattooga County, Walker County, Georgia. It was in force for 38 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, 7:54 PM EDT (23:54 UTC)
Expired
Oct 26, 2010, 8:32 PM EDT
In force
38 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Chattooga County, GA, Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 70 km from the middle of the area, began a volume at 23:55 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.

IssuedProductOfficeLasted
Oct 26, 2:16 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.9 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2010-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 832 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2010-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 248 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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.

229 
WFUS52 KFFC 262354
TORFFC
GAC055-295-270045-
/O.NEW.KFFC.TO.W.0033.101026T2354Z-101027T0045Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CHATTOOGA COUNTY IN NORTHWEST GEORGIA
  SOUTHERN WALKER COUNTY IN NORTHWEST GEORGIA

* UNTIL 845 PM EDT

* AT 751 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 23 MILES WEST OF
  TRION...MOVING NORTHEAST AT 40 MPH.

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

THIS STORM HAS A HISTORY OF PRODUCING DAMAGE OVER DEKALB COUNTY IN 
ALABAMA.

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 1000 PM EDT TUESDAY EVENING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3465 8550 3468 8548 3480 8525 3460 8510
      3443 8550 3462 8554
TIME...MOT...LOC 2354Z 242DEG 34KT 3447 8566

$$
2 follow-up statements
822 
WWUS52 KFFC 270020
SVSFFC

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

GAC055-295-270045-
/O.CON.KFFC.TO.W.0033.000000T0000Z-101027T0045Z/
CHATTOOGA GA-WALKER GA-
820 PM EDT TUE OCT 26 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR SOUTHERN
WALKER AND NORTHWESTERN CHATTOOGA COUNTIES...

AT 814 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO 7 MILES SOUTHWEST OF CENTER 
POST...MOVING NORTHEAST AT 40 MPH. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
LINWOOD...LAFAYETTE...SUTTLES MILL...NAOMI AND NOBLE.

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 1000 PM EDT TUESDAY EVENING
FOR NORTHERN GEORGIA.

&&

LAT...LON 3452 8543 3455 8549 3461 8550 3468 8548
      3480 8525 3460 8510
TIME...MOT...LOC 0018Z 242DEG 34KT 3458 8542

$$
966 
WWUS52 KFFC 270032
SVSFFC

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

GAC055-295-270043-
/O.CAN.KFFC.TO.W.0033.000000T0000Z-101027T0045Z/
CHATTOOGA GA-WALKER GA-
832 PM EDT TUE OCT 26 2010

...THE TORNADO WARNING FOR SOUTHERN WALKER AND NORTHWESTERN CHATTOOGA
COUNTIES IS CANCELLED...

THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER SUSPECTED TO BE 
PRODUCING A TORNADO. HOWEVER...STRONG GUSTY WINDS UP TO 45 MPH...VERY
HEAVY RAIN...AND SMALL HAIL ARE STILL POSSIBLE WITH THIS STORM.

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 3452 8543 3455 8549 3461 8550 3468 8548
      3480 8525 3460 8510
TIME...MOT...LOC 0033Z 242DEG 34KT 3465 8527

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 26, 4:07 PM EDTTornado WarningFFCCatoosa, Whitfield12 min
Oct 26, 5:07 PM EDTSevere Thunderstorm WarningFFCWhite8 min
Oct 26, 5:19 PM EDTSevere Thunderstorm WarningFFCCarroll, Cobb, Douglas, Paulding21 min
Oct 26, 5:57 PM EDTSevere Thunderstorm WarningFFCWhite23 min
Oct 26, 6:04 PM EDTSevere Thunderstorm WarningFFCFannin, Gilmer26 min
Oct 26, 6:21 PM EDTSevere Thunderstorm WarningFFCFannin, Towns, Union39 min
Oct 26, 6:49 PM EDTSevere Thunderstorm WarningFFCForsyth, Fulton, Gwinnett, Hall26 min
Oct 26, 7:11 PM EDTSevere Thunderstorm WarningFFCGwinnett, Hall, Jackson49 min

Nearby

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