Alert archive / Georgia / Tornado Warnings in 2007

Tornado Warning 11, NWS Atlanta, GA

January 7, 2007Coweta County, Georgia

NWS Atlanta, GA issued this tornado warning at Jan 7, 2007, 6:55 PM EST for Coweta County, Georgia. It was in force for 35 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: Jan 7, 2007, 6:55 PM EST (23:55 UTC)
Expired: Jan 7, 2007, 7:30 PM EST
In force: 35 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Coweta County, GA

The radar

The Atlanta radar (KFFC), 15 km from the middle of the area, began a volume at 23:57 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
Jan 7, 4:12 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.9 hours before the alert went out and 21 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: 667 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 154 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 072357
TORFFC
GAC077-080030-
/O.NEW.KFFC.TO.W.0011.070107T2355Z-070108T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
655 PM EST SUN JAN 7 2007

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  COWETA COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 730 PM EST

* AT 653 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES SOUTH
  OF NEWNAN...MOVING NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  THOMAS CROSSROADS AND SENOIA.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT WILL BE TOO LATE TO GET TO A SAFE
PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST SUNDAY EVENING FOR
NORTHWESTERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
1100 PM EST SUNDAY EVENING FOR NORTHERN 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 3337 8485 3327 8482 3329 8451 3343 8461

$$

16

1 follow-up statement

000 
WWUS52 KFFC 080010
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
708 PM EST SUN JAN 7 2007

GAC077-080030-
/O.CON.KFFC.TO.W.0011.000000T0000Z-070108T0030Z/
COWETA GA-
708 PM EST SUN JAN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EST FOR COWETA
COUNTY...

AT 706 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO. THIS TORNADO WAS LOCATED NEAR 
TURIN...MOVING NORTHEAST AT 35 MPH. THE ROTATION IN THIS STORM HAS 
WEAKENED SIGNIFICANTLY IN THE LAST 10 MINUTES...BUT ANOTHER BRIEF 
TORNADO MAY BE POSSIBLE.

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST SUNDAY EVENING FOR
NORTHWESTERN GEORGIA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL
1100 PM EST SUNDAY EVENING FOR NORTHERN 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 3338 8477 3326 8470 3329 8451 3343 8461

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 7, 5:43 PM EST	Severe Thunderstorm Warning	FFC	Heard, Troup	47 min
Jan 7, 5:56 PM EST	Tornado Warning	FFC	Troup	34 min
Jan 7, 5:57 PM EST	Severe Thunderstorm Warning	FFC	Paulding	33 min
Jan 7, 6:14 PM EST	Severe Thunderstorm Warning	FFC	Cobb	46 min
Jan 7, 6:26 PM EST	Tornado Warning	FFC	Coweta, Heard, Troup	34 min

Nearby

Tornado Warnings in Georgia, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.