Alert archive / Georgia / Tornado Warnings in 2007

Tornado Warning 60, NWS Atlanta, GA

September 14, 2007Walker County, Georgia

NWS Atlanta, GA issued this tornado warning at Sep 14, 2007, 1:46 PM EDT for Walker County, Georgia. It was in force for 29 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: Sep 14, 2007, 1:46 PM EDT (17:46 UTC)
Expired: Sep 14, 2007, 2:15 PM EDT
In force: 29 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Walker County, GA

The radar

The Northeast Alabama radar (KHTX), 84 km from the middle of the area, began a volume at 17:46 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 nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.8 hours before the alert went out and 163 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: 150 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 660 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KFFC 141746
TORFFC
GAC295-141815-
/O.NEW.KFFC.TO.W.0060.070914T1746Z-070914T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
146 PM EDT FRI SEP 14 2007

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN WALKER COUNTY IN NORTHWEST GEORGIA

* UNTIL 215 PM EDT

* AT 138 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES SOUTH OF
  LA FAYETTE...MOVING NORTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NAOMI
  AND VILLNOW.

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 3484 8521 3477 8520 3472 8516 3471 8505
      3458 8515 3459 8531 3462 8537
TIME...MOT...LOC 1746Z 223DEG 26KT 3464 8521

$$

2 follow-up statements

000 
WWUS52 KFFC 141801
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
200 PM EDT FRI SEP 14 2007

GAC295-141815-
/O.CON.KFFC.TO.W.0060.000000T0000Z-070914T1815Z/
WALKER GA-
200 PM EDT FRI SEP 14 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR
SOUTHEASTERN WALKER COUNTY...

AT 156 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO. THIS ROTATION WAS LOCATED JUST SOUTH OF 
VILLNOW...MOVING NORTHEAST AT 10 MPH.

THE TORNADO WILL OTHERWISE REMAIN OVER RURAL PARTS OF SOUTHEAST 
WALKER COUNTY.

IF YOU SEE A TORNADO...FUNNEL CLOUD...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 3472 8516 3471 8505 3468 8507 3462 8513
      3458 8514 3461 8526 3464 8531 3477 8520
TIME...MOT...LOC 1800Z 246DEG 12KT 3464 8514

$$

000 
WWUS52 KFFC 141814
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
212 PM EDT FRI SEP 14 2007

GAC295-141822-
/O.EXP.KFFC.TO.W.0060.000000T0000Z-070914T1815Z/
WALKER GA-
212 PM EDT FRI SEP 14 2007

...THE TORNADO WARNING FOR SOUTHEASTERN WALKER COUNTY WILL BE 
ALLOWED TO EXPIRE AT 215 PM EDT...

THE ROTATION IN THE STORM HAS WEAKENED AND NO LONGER APPEARS CAPABLE 
OF PRODUCING A TORNADO. 

IF YOU SAW 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 3472 8516 3471 8505 3468 8507 3462 8513
      3458 8514 3461 8526 3464 8531 3477 8520
TIME...MOT...LOC 1812Z 246DEG 12KT 3466 8510

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 14, 6:18 AM EDT	Flash Flood Warning	FFC	Murray, Whitfield	3 hr
Sep 14, 7:12 AM EDT	Flash Flood Warning	FFC	Fannin	3 hr
Sep 14, 2:33 PM EDT	Tornado Warning	FFC	Murray	27 min
Sep 14, 3:41 PM EDT	Tornado Warning	FFC	Douglas	12 min
Sep 14, 4:20 PM EDT	Severe Thunderstorm Warning	FFC	Banks, Jackson	25 min
Sep 14, 4:51 PM EDT	Severe Thunderstorm Warning	FFC	Taliaferro, Wilkes	24 min
Sep 14, 5:08 PM EDT	Severe Thunderstorm Warning	FFC	Henry, Rockdale	37 min
Sep 14, 5:24 PM EDT	Severe Thunderstorm Warning	FFC	Newton	36 min
Sep 14, 5:29 PM EDT	Severe Thunderstorm Warning	FFC	Pike, Upson	46 min
Sep 14, 6:26 PM EDT	Severe Thunderstorm Warning	FFC	Greene, Morgan	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.