Alert archive / Georgia / Tornado Warnings in 2008

Tornado Warning 114, NWS Atlanta, GA

December 10, 2008Chattooga County, Georgia

NWS Atlanta, GA issued this tornado warning at Dec 10, 2008, 5:22 AM EST for Chattooga 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: Dec 10, 2008, 5:22 AM EST (10:22 UTC)
Expired: Dec 10, 2008, 6:00 AM EST
In force: 38 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

County Chattooga County, GA

The radar

The Northeast Alabama radar (KHTX), 85 km from the middle of the area, began a volume at 10:25 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
Dec 10, 2:41 AM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 10.4 hours before the alert went out and 145 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: 4 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 1004 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 291 m²/s²
0-3 km storm-relative helicity: 366 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.

000 
WFUS52 KFFC 101022
TORFFC
GAC055-101100-
/O.NEW.KFFC.TO.W.0114.081210T1022Z-081210T1100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
522 AM EST WED DEC 10 2008

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  CHATTOOGA COUNTY IN NORTHWEST GEORGIA

* UNTIL 600 AM EST

* AT 521 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES WEST OF
  CHATTOOGAVILLE...MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BERRYTON...JAMES H. FLOYD STATE PARK...SUMMERVILLE AND TRION.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EST WEDNESDAY MORNING
FOR NORTHWESTERN GEORGIA.

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 3459 8526 3458 8526 3458 8510 3443 8519
      3436 8534 3429 8538 3429 8546 3430 8547
      3446 8551 3448 8550 3458 8552
TIME...MOT...LOC 1022Z 235DEG 40KT 3436 8555

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 10, 4:25 AM EST	Flash Flood Watch	FFC	Banks, Barrow, Bartow, Carroll, Catoosa, Chattooga and 30 more	6 hr
Dec 10, 5:53 AM EST	Flash Flood Warning	FFC	Chattooga, Fannin, Floyd, Gilmer, Gordon, Murray and 2 more	6 hr
Dec 10, 7:39 AM EST	Severe Thunderstorm Warning	FFC	Haralson, Paulding, Polk	33 min
Dec 10, 7:59 AM EST	Severe Thunderstorm Warning	FFC	Carroll	34 min
Dec 10, 8:15 AM EST	High Wind Warning	FFC	Fannin, Gilmer, Lumpkin, Towns, Union, White	3 hr
Dec 10, 9:46 AM EST	Severe Thunderstorm Warning	FFC	DeKalb, Henry, Rockdale	29 min
Dec 10, 10:11 AM EST	River Flood Warning	FFC	Dade	6 hr
Dec 10, 10:49 AM EST	Flood Watch	FFC	Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more	28 hr
Dec 10, 2:30 PM EST	River Flood Warning	FFC	Forsyth, Fulton	31 hr
Dec 10, 3:03 PM EST	Tornado Warning	FFC	Wilkinson	27 min
Dec 10, 4:23 PM EST	Wind Advisory	FFC	Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more	41 hr
Dec 10, 5:30 PM EST	Tornado Warning	FFC	Emanuel, Treutlen	28 min
Dec 10, 5:58 PM EST	Areal Flood Warning	FFC	Forsyth	4 hr

Nearby

Tornado Warnings in Georgia, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.