Alert archive / Georgia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 21, NWS Atlanta, GA

February 17, 2008Stewart County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 17, 2008, 5:50 PM EST for Stewart County, Georgia. It was in force for 40 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: Feb 17, 2008, 5:50 PM EST (22:50 UTC)
Expired: Feb 17, 2008, 6:30 PM EST
In force: 40 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

County Stewart County, GA

The watch it was issued in

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

Issued	Product	Office	Lasted
Feb 17, 1:32 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.8 hours before the alert went out and 143 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: 1892 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 320 m²/s²
0-3 km storm-relative helicity: 438 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 172250
SVRFFC
GAC259-172330-
/O.NEW.KFFC.SV.W.0021.080217T2250Z-080217T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
550 PM EST SUN FEB 17 2008

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN STEWART COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 630 PM EST

* AT 547 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED NEAR FLORENCE MARINA STATE PARK...
  MOVING NORTHEAST AT 45 MPH.

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

IF YOU SEE WIND DAMAGE...LARGE HAIL 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 3202 8507 3216 8504 3219 8500 3219 8498
      3222 8496 3223 8492 3222 8491 3222 8466
      3196 8497
TIME...MOT...LOC 2250Z 228DEG 39KT 3207 8500

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 17, 4:21 AM EST	Wind Advisory	FFC	Bartow, Catoosa, Chattooga, Cherokee, Dade, Dawson and 12 more	18 hr
Feb 17, 3:21 PM EST	Severe Thunderstorm Warning	FFC	Carroll, Haralson, Heard, Paulding	24 min
Feb 17, 3:27 PM EST	Tornado Warning	FFC	Carroll, Heard	33 min
Feb 17, 3:40 PM EST	Severe Thunderstorm Warning	FFC	Bartow, Carroll, Douglas, Haralson, Paulding, Polk	35 min
Feb 17, 3:52 PM EST	Tornado Warning	FFC	Carroll, Coweta, Douglas, Fulton	23 min
Feb 17, 4:07 PM EST	Severe Thunderstorm Warning	FFC	Bartow, Cherokee, Cobb, Fulton, Paulding	23 min
Feb 17, 4:11 PM EST	Tornado Warning	FFC	Douglas, Fulton	34 min
Feb 17, 4:27 PM EST	Severe Thunderstorm Warning	FFC	Cherokee, Dawson, Forsyth, Fulton	33 min
Feb 17, 4:39 PM EST	Tornado Warning	FFC	Fulton	36 min
Feb 17, 4:44 PM EST	Tornado Warning	FFC	Stewart	36 min
Feb 17, 4:57 PM EST	Tornado Warning	FFC	DeKalb, Gwinnett	33 min
Feb 17, 5:02 PM EST	Tornado Warning	FFC	Chattahoochee	43 min
Feb 17, 5:26 PM EST	Tornado Warning	FFC	Marion	33 min
Feb 17, 5:45 PM EST	Tornado Warning	FFC	Taylor	45 min
Feb 17, 6:12 PM EST	Tornado Warning	FFC	Crawford	33 min
Feb 17, 6:26 PM EST	Severe Thunderstorm Warning	FFC	Marion, Schley, Sumter, Webster	34 min
Feb 17, 6:37 PM EST	Tornado Warning	FFC	Bibb	38 min
Feb 17, 6:49 PM EST	Severe Thunderstorm Warning	FFC	Crisp, Dooly, Macon, Schley, Sumter	26 min

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.