Alert archive / Georgia / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 313, NWS Atlanta, GA

July 26, 2007Crawford County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 26, 2007, 3:28 PM EDT for Crawford County, Georgia. It was in force for 47 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: Jul 26, 2007, 3:28 PM EDT (19:28 UTC)
Expired: Jul 26, 2007, 4:15 PM EDT
In force: 47 min
Issued by: NWS Atlanta, GA
Area: Counties, with a storm outline in the text

County Crawford County, GA

The radar

The Robins AFB radar (KJGX), 69 km from the middle of the area, began a volume at 19:31 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, 7.5 hours before the alert went out and 80 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: 309 J/kg
Mixed-layer CIN: -152 J/kg
Mixed-layer LCL: 808 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 45 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 261929
SVRFFC
GAC079-262015-
/O.NEW.KFFC.SV.W.0313.070726T1928Z-070726T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
328 PM EDT THU JUL 26 2007

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL CRAWFORD COUNTY IN CENTRAL GEORGIA

* UNTIL 415 PM EDT

* AT 327 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZED HAIL...AND   
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS CENTERED ABOUT 4 MILES
  WEST OF ROBERTA...MOVING EAST AT 5 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  KNOXVILLE AND MUSELLA.

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 3276 8415 3268 8413 3267 8397 3281 8402

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 9:42 PM EDT	Severe Thunderstorm Warning	FFC	DeKalb, Rockdale	33 min
Jul 25, 9:55 PM EDT	Severe Thunderstorm Warning	FFC	Henry	35 min
Jul 26, 4:01 PM EDT	Severe Thunderstorm Warning	FFC	Meriwether	44 min
Jul 26, 5:01 PM EDT	Severe Thunderstorm Warning	FFC	Paulding	29 min
Jul 26, 5:14 PM EDT	Severe Thunderstorm Warning	FFC	Cobb	38 min
Jul 26, 5:38 PM EDT	Severe Thunderstorm Warning	FFC	Butts	37 min
Jul 26, 6:22 PM EDT	Severe Thunderstorm Warning	FFC	Jasper	38 min
Jul 26, 7:21 PM EDT	Severe Thunderstorm Warning	FFC	Laurens	39 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2007 Every severe thunderstorm warning 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.