Alert archive / Georgia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 340, NWS Atlanta, GA

June 15, 2008Hancock County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jun 15, 2008, 8:46 PM EDT for Hancock County, Georgia. It was in force for 44 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: Jun 15, 2008, 8:46 PM EDT (00:46 UTC)
Expired: Jun 15, 2008, 9:30 PM EDT
In force: 44 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

County Hancock County, GA

The radar

The Robins AFB radar (KJGX), 73 km from the middle of the area, began a volume at 00:48 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
Jun 15, 9:00 PM EDT	HAIL 1	2 N Linton, GA	SHERIFFS DEPUTY REPORTED QUARTER SIZED HAIL IN SOUTHERN HANCOCK COUNTY.

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

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.8 hours before the alert went out and 140 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: 96 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 2268 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: -5 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 160046
SVRFFC
GAC141-160130-
/O.NEW.KFFC.SV.W.0340.080616T0046Z-080616T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
846 PM EDT SUN JUN 15 2008

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HANCOCK COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 930 PM EDT

* AT 844 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 LOCATED NEAR
  SHOULDERBONE...MOVING SOUTH AT 3 MPH.

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

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 3320 8285 3312 8292 3308 8300 3308 8310
      3316 8310 3319 8328 3326 8325 3331 8314
      3335 8315 3347 8301 3345 8298 3345 8285
      3342 8282 3324 8275
TIME...MOT...LOC 0046Z 006DEG 3KT 3333 8301

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 9:11 PM EDT	Severe Thunderstorm Warning	FFC	Laurens	49 min
Jun 15, 9:55 PM EDT	Severe Thunderstorm Warning	FFC	Hancock, Warren	50 min
Jun 16, 12:47 AM EDT	Flash Flood Warning	FFC	Crawford	5 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.