Alert archive / Georgia / Mesoscale Discussions in 2014

Mesoscale Discussion 702

May 25, 20144 counties in Alabama; 15 counties in Florida; 77 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at May 25, 2014, 3:52 PM CDT for 4 counties in Alabama; 15 counties in Florida; 77 counties in Georgia. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
May 25, 2014, 3:52 PM CDT (20:52 UTC)
Expired
May 25, 2014, 6:15 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
Chance of a watch
20%
All 96 counties

Coffee County, AL, Covington County, AL, Geneva County, AL, Houston County, AL, Alachua County, FL, Baker County, FL, Bradford County, FL, Columbia County, FL, Gadsden County, FL, Gilchrist County, FL, Hamilton County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Madison County, FL, Suwannee County, FL, Union County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Baldwin County, GA, Banks County, GA, Barrow County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Bulloch County, GA, Burke County, GA, Butts County, GA, Candler County, GA, Charlton County, GA, Clarke County, GA, Clayton County, GA, Clinch County, GA, Cobb County, GA, Coffee County, GA, Colquitt County, GA, Columbia County, GA, Cook County, GA, Decatur County, GA, DeKalb County, GA, Dodge County, GA, Echols County, GA, Emanuel County, GA, Evans County, GA, Forsyth County, GA, Fulton County, GA, Glascock County, GA, Grady County, GA, Greene County, GA, Gwinnett County, GA, Hall County, GA, Hancock County, GA, Henry County, GA, Irwin County, GA, Jackson County, GA, Jasper County, GA, Jeff Davis County, GA, Jefferson County, GA, Jenkins County, GA, Johnson County, GA, Jones County, GA, Lanier County, GA, Laurens County, GA, Lowndes County, GA, Madison County, GA, McDuffie County, GA, Miller County, GA, Montgomery County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Oglethorpe County, GA, Pierce County, GA, Putnam County, GA, Richmond County, GA, Rockdale County, GA, Screven County, GA, Seminole County, GA, Taliaferro County, GA, Tattnall County, GA, Telfair County, GA, Thomas County, GA, Toombs County, GA, Treutlen County, GA, Walton County, GA, Ware County, GA, Warren County, GA, Washington County, GA, Wayne County, GA, Wheeler County, GA, Wilkes County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 110 km from the middle of the area, began a volume at 20:54 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.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.9 hours before the alert went out and 162 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, Tallahassee Rgnl, FL at 12:00Z on 2014-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 620 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, Tallahassee Rgnl, FL at 12:00Z on 2014-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939Sfc1 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
620 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1685 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
28 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.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 25, 12:48 PM CDTMesoscale DiscussionSPCAlachua, Bradford, Charlotte, Citrus, Clay, DeSoto and 12 more117 min
May 25, 10:46 AM CDTMesoscale DiscussionSPCBanks, Barrow, Bryan, Bulloch, Burke, Candler and 51 more2 hr

Nearby

Mesoscale Discussions in Georgia, 2014Mesoscale Discussions in Florida, 2014Mesoscale Discussions in Alabama, 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; radar from the NEXRAD Level II archive.