Alert archive / Georgia / Tornado Warnings in 2007

Tornado Warning 46, NWS Atlanta, GA

April 11, 2007Schley County, Sumter County, Georgia

NWS Atlanta, GA issued this tornado warning at Apr 11, 2007, 8:35 PM EDT for Schley County, Sumter County, Georgia. It was in force for 55 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 11, 2007, 8:35 PM EDT (00:35 UTC)
Expired: Apr 11, 2007, 9:30 PM EDT
In force: 55 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

Counties Schley County, GA, Sumter County, GA

The radar

The Robins AFB radar (KJGX), 101 km from the middle of the area, began a volume at 00:39 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.

What was reported inside it

Time	Report	Where	Remark
Apr 11, 9:00 PM EDT	HAIL 0.75	Ellaville, GA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 11, 4:48 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.6 hours before the alert went out and 135 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: 365 J/kg
Mixed-layer CIN: -104 J/kg
Mixed-layer LCL: 807 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 252 m²/s²
0-3 km storm-relative helicity: 466 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KFFC 120036
TORFFC
GAC249-261-120130-
/O.NEW.KFFC.TO.W.0046.070412T0035Z-070412T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
835 PM EDT WED APR 11 2007

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN SCHLEY COUNTY IN WEST CENTRAL GEORGIA
  NORTHERN SUMTER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 930 PM EDT

* AT 830 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 12 MILES WEST OF
  WALLS CROSSING...MOVING EAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ELLAVILLE AND AMERICUS.

THIS STORM HAS A HISTORY OF PRODUCING VERY LARGE HAIL...UP TO THE 
SIZE OF GOLF BALLS.

IF YOU ARE IN A MOBILE HOME OR VEHICLE...EVACUATE THEM AND GET INSIDE
A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 3231 8440 3208 8442 3199 8394 3217 8405

$$

1 follow-up statement

000 
WWUS52 KFFC 120103
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
903 PM EDT WED APR 11 2007

GAC249-261-120130-
/O.CON.KFFC.TO.W.0046.000000T0000Z-070412T0130Z/
SUMTER GA-SCHLEY GA-
903 PM EDT WED APR 11 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR SOUTHERN
SCHLEY AND NORTHERN SUMTER COUNTIES...

AT 900 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO. THE ROTATION HAS WEAKENED IN THE LAST 
15 MINUTES BUT MAY STILL PRODUCE A BRIEF TORNADO. THE ROTATION WAS 
CENTERED NEAR ELLAVILLE...MOVING EAST AT 35 MPH. 

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LA
CROSSE...ARLES...ANDERSONVILLE AND METHVINS.

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 3227 8438 3208 8442 3207 8399 3217 8405
      3225 8418

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 8:08 PM EDT	Severe Thunderstorm Warning	FFC	Crisp, Wilcox	17 min
Apr 11, 8:17 PM EDT	Tornado Warning	FFC	Marion, Stewart, Webster	43 min
Apr 11, 8:49 PM EDT	Severe Thunderstorm Warning	FFC	Emanuel, Treutlen	26 min
Apr 11, 9:10 PM EDT	Severe Thunderstorm Warning	FFC	Macon	35 min
Apr 11, 10:54 PM EDT	Severe Thunderstorm Warning	FFC	Jasper, Morgan	36 min
Apr 11, 11:36 PM EDT	Severe Thunderstorm Warning	FFC	Morgan, Newton, Walton	39 min
Apr 12, 1:27 AM EDT	Severe Thunderstorm Warning	FFC	Warren	18 min
Apr 12, 1:35 AM EDT	Severe Thunderstorm Warning	FFC	Washington	25 min
Apr 12, 1:48 AM EDT	Dense Fog Advisory	FFC	Banks, Barrow, Bartow, Butts, Carroll, Catoosa and 46 more	2 hr
Apr 12, 2:44 AM EDT	Severe Thunderstorm Warning	FFC	Jefferson	31 min
Apr 12, 5:05 AM EDT	Dense Fog Advisory	FFC	Banks, Barrow, Bartow, Butts, Carroll, Catoosa and 46 more	3 hr
Apr 12, 5:05 AM EDT	Wind Advisory	FFC	Baldwin, Banks, Barrow, Bartow, Butts, Carroll and 56 more	13 hr
Apr 12, 6:03 AM EDT	Red Flag Warning	FFC	Baldwin, Bibb, Bleckley, Chattahoochee, Crawford, Crisp and 38 more	14 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.