Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 295, NWS Atlanta, GA

July 25, 2012Crisp County, Dooly County, Wilcox County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Jul 25, 2012, 7:42 PM EDT for Crisp County, Dooly County, Wilcox County, Georgia. It was in force for 48 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: Jul 25, 2012, 7:42 PM EDT (23:42 UTC)
Expired: Jul 25, 2012, 8:30 PM EDT
In force: 48 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Crisp County, GA, Dooly County, GA, Wilcox County, GA

The radar

The Robins AFB radar (KJGX), 87 km from the middle of the area, began a volume at 23:43 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
Jul 25, 7:48 PM EDT	HAIL 1	1 Se East Crisp, GA	CRISP COUNTY 911 RELAYED A REPORT FROM A DEPUTY IN EAST CRISP OF HAIL FROM SLIGHTLY LARGER THAN PENNYS TO QUARTERS. TIME ESTIMATED FROM RADAR.

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 12:00Z, 11.7 hours before the alert went out and 174 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: 1928 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 967 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -39 m²/s²
0-3 km storm-relative helicity: 3 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.

973 
WUUS52 KFFC 252342
SVRFFC
GAC081-093-315-260030-
/O.NEW.KFFC.SV.W.0295.120725T2342Z-120726T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
742 PM EDT WED JUL 25 2012

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CRISP COUNTY IN CENTRAL GEORGIA
  EXTREME SOUTHEASTERN DOOLY COUNTY IN CENTRAL GEORGIA
  SOUTHWESTERN WILCOX COUNTY IN CENTRAL GEORGIA

* UNTIL 830 PM EDT

* AT 736 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A   SEVERE THUNDERSTORM.  THIS STORM CAN PRODUCE 60 MPH WINDS 
GUSTS...HAIL TO QUARTER SIZED HAIL AND FREQUENT CLOUD TO GROUND 
LIGHTNING. THIS STORM WAS LOCATED 10 MILES SOUTHEAST OF   
CORDELE...MOVING NORTHWEST AT 5 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  SEVILLE...EAST CRISP...TREMONT...WENONA AND RICHWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU SEE WIND DAMAGE...HAIL OR 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. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3204 8383 3205 8360 3185 8358 3181 8371
TIME...MOT...LOC 2339Z 126DEG 4KT 3184 8368

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 2:43 AM EDT	Heat Advisory	FFC	Baldwin, Bibb, Bleckley, Chattahoochee, Crawford, Crisp and 38 more	18 hr
Jul 25, 6:24 PM EDT	Special Weather Statement	FFC	Baldwin	36 min
Jul 25, 6:33 PM EDT	Special Weather Statement	FFC	Sumter	27 min
Jul 25, 6:54 PM EDT	Special Weather Statement	FFC	Webster	36 min
Jul 25, 6:57 PM EDT	Special Weather Statement	FFC	Taylor	33 min
Jul 25, 6:58 PM EDT	Special Weather Statement	FFC	Sumter	32 min
Jul 25, 7:25 PM EDT	Special Weather Statement	FFC	Stewart	35 min
Jul 25, 7:29 PM EDT	Special Weather Statement	FFC	Crisp	31 min
Jul 25, 7:48 PM EDT	Special Weather Statement	FFC	Peach	27 min
Jul 25, 7:56 PM EDT	Special Weather Statement	FFC	Stewart	34 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012 Every severe thunderstorm warning in 2012

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.