Alert archive / Georgia / Mesoscale Discussions in 2014

Mesoscale Discussion 606

May 15, 20144 states

The Storm Prediction Center issued this mesoscale discussion at May 15, 2014, 12:14 AM EDT for 4 states. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued
May 15, 2014, 12:14 AM EDT (04:14 UTC)
Expired
May 15, 2014, 1:45 AM EDT
In force
91 min
Issued by
the Storm Prediction Center
Chance of a watch
20%
All 77 counties

Appling County, GA, Atkinson County, GA, Bacon County, GA, Baldwin County, GA, Banks County, GA, Barrow County, GA, Ben Hill County, GA, Bibb County, GA, Bleckley County, GA, Clarke County, GA, Coffee County, GA, Columbia County, GA, Dodge County, GA, Elbert County, GA, Emanuel County, GA, Franklin County, GA, Glascock County, GA, Greene County, GA, Habersham County, GA, Hall County, GA, Hancock County, GA, Hart County, GA, Houston County, GA, Irwin County, GA, Jackson County, GA, Jasper County, GA, Jeff Davis County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Laurens County, GA, Lincoln County, GA, Madison County, GA, McDuffie County, GA, Montgomery County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Pulaski County, GA, Putnam County, GA, Rabun County, GA, Stephens County, GA, Taliaferro County, GA, Telfair County, GA, Toombs County, GA, Towns County, GA, Treutlen County, GA, Twiggs County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Wheeler County, GA, White County, GA, Wilcox County, GA, Wilkes County, GA, Wilkinson County, GA, Buncombe County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, Polk County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC, Abbeville County, SC, Anderson County, SC, Greenville County, SC, McCormick County, SC, Oconee County, SC, Pickens County, SC, Cocke County, TN, Greene County, TN, Sevier County, TN, Unicoi County, TN

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 4.2 hours before the alert went out and 150 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-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 00:00Z on 2014-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 302 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 00:00Z on 2014-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
302 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
280 m²/s²
Significant tornado parameter
0.5
Supercell composite
6.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 6:55 PM EDTMesoscale DiscussionSPCChatham2 hr
May 15, 8:29 AM EDTMesoscale DiscussionSPCAlamance, Anson, Bladen, Brunswick, Cabarrus, Caswell and 33 more2 hr
May 15, 11:56 AM EDTSevere Thunderstorm WatchSPCAlamance, Beaufort, Bertie, Bladen, Brunswick, Carteret and 38 more8 hr
May 15, 3:22 PM EDTMesoscale DiscussionSPCBeaufort, Bertie, Bladen, Brunswick, Carteret, Chatham and 35 more53 min
May 15, 6:24 PM EDTMesoscale DiscussionSPCAlamance, Beaufort, Bertie, Bladen, Brunswick, Carteret and 37 more96 min

Nearby

Mesoscale Discussions in Georgia, 2014Mesoscale Discussions in North Carolina, 2014Mesoscale Discussions in South Carolina, 2014Every mesoscale discussion 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; the sounding from the Mesonet's radiosonde archive.