Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 30, NWS Atlanta, GA

May 14, 20144 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 14, 2014, 4:51 PM EDT for 4 counties in Georgia. It was in force for 39 min. 2 reports 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, 4:51 PM EDT (20:51 UTC)
Expired: May 14, 2014, 5:30 PM EDT
In force: 39 min
Issued by: NWS Atlanta, GA
Area: Storm-based polygon

Counties Bleckley County, GA, Laurens County, GA, Twiggs County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 7 km from the middle of the area, began a volume at 20:53 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, 5:05 PM EDT	TSTM WND DMG	Cary, GA	SEVERAL TREES REPORTED BLOWN DOWN IN THE COUNTY.
May 14, 5:25 PM EDT	TSTM WND DMG	Jeffersonville, GA	FIVE TREES WERE REPORTED BLOWN DOWN COUNTYWIDE.

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, 8.9 hours before the alert went out and 130 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.

303 
WUUS52 KFFC 142051
SVRFFC
GAC023-175-289-319-142130-
/O.NEW.KFFC.SV.W.0030.140514T2051Z-140514T2130Z/

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

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BLECKLEY COUNTY IN CENTRAL GEORGIA
  WEST CENTRAL LAURENS COUNTY IN CENTRAL GEORGIA
  TWIGGS COUNTY IN CENTRAL GEORGIA
  SOUTHWESTERN WILKINSON COUNTY IN CENTRAL GEORGIA

* UNTIL 530 PM EDT

* AT 448 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED HAIL...AND
  DAMAGING WINDS UP TO 60 MPH.  THIS STORM WAS LOCATED 13 MILES SOUTH
  OF MONTROSE...MOVING NORTH AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  DUDLEY...ALLENTOWN...DANVILLE AND JEFFERSONVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

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 3249 8351 3258 8354 3263 8354 3266 8358
      3274 8360 3274 8357 3281 8350 3284 8350
      3287 8347 3288 8335 3274 8309 3247 8304
      3244 8317 3245 8318 3240 8340
TIME...MOT...LOC 2051Z 160DEG 37KT 3241 8324

$$

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, 4:17 PM EDT	Severe Thunderstorm Warning	FFC	Marion	28 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, 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.