Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 28, NWS Atlanta, GA

May 14, 2014Marion County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 14, 2014, 4:17 PM EDT for Marion County, Georgia. It was in force for 28 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: May 14, 2014, 4:17 PM EDT (20:17 UTC)
Expired: May 14, 2014, 4:45 PM EDT
In force: 28 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

County Marion County, GA

The radar

The Atlanta radar (KFFC), 102 km from the middle of the area, began a volume at 20:20 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
May 14, 4:30 PM EDT	HAIL 0.88	2 E Oakland, GA	NICKEL SIZED HAIL FALLING AS WELL AS ESTIMATED 45 MPH WINDS.

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, 8.3 hours before the alert went out and 102 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: 71 J/kg
Mixed-layer CIN: -104 J/kg
Mixed-layer LCL: 895 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 56 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.

096 
WUUS52 KFFC 142017
SVRFFC
GAC197-142045-
/O.NEW.KFFC.SV.W.0028.140514T2017Z-140514T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
417 PM EDT WED MAY 14 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MARION COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 445 PM EDT

* AT 416 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60
  MPH.  THIS STORM WAS LOCATED NEAR BRANTLEY...MOVING NORTH AT 30
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  OAKLAND AND MARION ESTATES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

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 3251 8460 3252 8445 3235 8445 3236 8460
TIME...MOT...LOC 2017Z 182DEG 26KT 3240 8452

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 3:25 PM EDT	Special Weather Statement	FFC	Stewart	35 min
May 14, 3:30 PM EDT	Flash Flood Watch	FFC	Baldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more	15 hr
May 14, 3:52 PM EDT	Special Weather Statement	FFC	Crisp, Dodge, Telfair, Wheeler, Wilcox	23 min
May 14, 4:06 PM EDT	Special Weather Statement	FFC	Chattahoochee, Marion	24 min
May 14, 4:19 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Dodge, Laurens, Telfair	41 min
May 14, 4:46 PM EDT	Special Weather Statement	FFC	Harris, Muscogee, Talbot	29 min
May 14, 4:51 PM EDT	Severe Thunderstorm Warning	FFC	Bleckley, Laurens, Twiggs, Wilkinson	39 min
May 14, 5:31 PM EDT	Severe Thunderstorm Warning	FFC	Baldwin, Bibb, Jones, Monroe, Twiggs, Wilkinson	44 min
May 14, 5:47 PM EDT	Special Weather Statement	FFC	Peach	28 min
May 14, 6:02 PM EDT	Severe Thunderstorm Warning	FFC	Bibb, Crawford, Houston, Macon, Monroe, Peach and 1 more	43 min
May 14, 6:12 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Jasper, Jones, Monroe, Morgan, Newton and 1 more	48 min
May 14, 6:27 PM EDT	Severe Thunderstorm Warning	FFC	Butts, Crawford, Henry, Lamar, Monroe, Pike and 2 more	48 min
May 14, 6:43 PM EDT	Severe Thunderstorm Warning	FFC	Clayton, DeKalb, Gwinnett, Henry, Morgan, Newton and 2 more	47 min
May 14, 7:22 PM EDT	Special Weather Statement	FFC	Barrow, Gwinnett	23 min
May 14, 7:45 PM EDT	Special Weather Statement	FFC	Forsyth, Hall, Jackson	30 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2014 Every severe thunderstorm warning in 2014

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.