Alert archive / Georgia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 577, NWS Atlanta, GA

December 10, 2008Carroll County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Dec 10, 2008, 7:59 AM EST for Carroll County, Georgia. It was in force for 34 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, 7:59 AM EST (12:59 UTC)
Expired: Dec 10, 2008, 8:33 AM EST
In force: 34 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

County Carroll County, GA

The radar

The Atlanta radar (KFFC), 59 km from the middle of the area, began a volume at 12:59 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, 7:47 AM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 1.0 hours before the alert went out and 64 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: -24 J/kg
Mixed-layer LCL: 552 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 388 m²/s²
0-3 km storm-relative helicity: 447 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 
WUUS52 KFFC 101259
SVRFFC
GAC045-101345-
/O.NEW.KFFC.SV.W.0577.081210T1259Z-081210T1345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
759 AM EST WED DEC 10 2008

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARROLL COUNTY IN NORTHWEST GEORGIA

* UNTIL 845 AM EST

* AT 754 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED 6 MILES SOUTHWEST OF BOWDON...MOVING
  NORTHEAST AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BURWELL...JOHN TANNER STATE PARK...BOWDEN JUNCTION...CARROLLTON...
  CLEM AND VILLA RICA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM EST WEDNESDAY 
AFTERNOON FOR NORTHERN GEORGIA. IF A TORNADO IS SPOTTED...ACT 
QUICKLY AND MOVE TO A PLACE OF SAFETY INSIDE A STURDY 
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

IF YOU SEE WIND DAMAGE OR SIGNIFICANT FLOODING...WAIT UNTIL 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 3371 8508 3370 8507 3378 8490 3355 8490
      3343 8528 3343 8530 3346 8530 3360 8533
TIME...MOT...LOC 1258Z 246DEG 40KT 3351 8530

$$

2 follow-up statements

000 
WWUS52 KFFC 101323
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
823 AM EST WED DEC 10 2008

GAC045-101345-
/O.CON.KFFC.SV.W.0577.000000T0000Z-081210T1345Z/
CARROLL GA-
823 AM EST WED DEC 10 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 AM EST 
FOR CARROLL COUNTY...

AT 817 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP
TO 60 MPH. THIS STORM WAS LOCATED NEAR CARROLLTON...MOVING NORTHEAST
AT 45 MPH.

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM EST WEDNESDAY
AFTERNOON FOR NORTHERN GEORGIA.

IF YOU SEE WIND DAMAGE 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 3365 8514 3371 8507 3370 8507 3378 8491
      3355 8490 3348 8518
TIME...MOT...LOC 1323Z 246DEG 40KT 3362 8499

$$

000 
WWUS52 KFFC 101333
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
833 AM EST WED DEC 10 2008

GAC045-101343-
/O.CAN.KFFC.SV.W.0577.000000T0000Z-081210T1345Z/
CARROLL GA-
833 AM EST WED DEC 10 2008

...THE SEVERE THUNDERSTORM WARNING FOR CARROLL COUNTY IS CANCELLED...

THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER EXPECTED TO PRODUCE 
SEVERE WEATHER. HOWEVER...STRONG GUSTY WINDS UP TO 35 MPH AND HEAVY 
RAIN ARE STILL POSSIBLE WITH THIS STORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM EST WEDNESDAY
AFTERNOON FOR NORTHERN GEORGIA.

IF YOU SAW WIND DAMAGE 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 3365 8514 3371 8507 3370 8507 3378 8491
      3355 8490 3348 8518
TIME...MOT...LOC 1333Z 246DEG 40KT 3366 8487

$$

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, 5:22 AM EST	Tornado Warning	FFC	Chattooga	38 min
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, 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

Severe Thunderstorm Warnings in Georgia, 2008 Every severe thunderstorm warning 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.