Alert archive / Georgia / Mesoscale Discussions in 2014

Mesoscale Discussion 905

June 8, 201414 counties in Alabama; 30 counties in Florida; 36 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Jun 8, 2014, 3:23 PM CDT for 14 counties in Alabama; 30 counties in Florida; 36 counties in Georgia. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued
Jun 8, 2014, 3:23 PM CDT (20:23 UTC)
Expired
Jun 8, 2014, 5:00 PM CDT
In force
97 min
Issued by
the Storm Prediction Center
All 80 counties

Barbour County, AL, Butler County, AL, Clarke County, AL, Coffee County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Dale County, AL, Escambia County, AL, Geneva County, AL, Henry County, AL, Houston County, AL, Monroe County, AL, Pike County, AL, Alachua County, FL, Baker County, FL, Bay County, FL, Bradford County, FL, Calhoun County, FL, Clay 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, Lake County, FL, Leon County, FL, Levy County, FL, Liberty County, FL, Madison County, FL, Marion County, FL, Okaloosa County, FL, Putnam County, FL, Santa Rosa County, FL, Sumter County, FL, Suwannee County, FL, Taylor County, FL, Union County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Atkinson County, GA, Bacon County, GA, Baker County, GA, Ben Hill County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Calhoun County, GA, Charlton County, GA, Clay County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Crisp County, GA, Decatur County, GA, Dougherty County, GA, Early County, GA, Echols County, GA, Grady County, GA, Irwin County, GA, Lanier County, GA, Lee County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Pierce County, GA, Quitman County, GA, Randolph County, GA, Seminole County, GA, Terrell County, GA, Thomas County, GA, Tift County, GA, Turner County, GA, Ware County, GA, Worth County, GA

The radar

The Tallahassee radar (KTLH), 18 km from the middle of the area, began a volume at 20:26 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, 8.4 hours before the alert went out and 15 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 2014-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 659 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 2014-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.193958Sfc1 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
659 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
924 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.8

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
Jun 7, 8:28 PM CDTMesoscale DiscussionSPCBlount, Calhoun, Cherokee, Cleburne, Cullman, Etowah and 7 more2 hr
Jun 8, 11:24 AM CDTMesoscale DiscussionSPCAutauga, Bibb, Chilton, Dallas, Greene, Hale and 4 more66 min
Jun 8, 12:49 PM CDTSevere Thunderstorm WatchSPCAutauga, Barbour, Bibb, Bullock, Chilton, Clay and 21 more8 hr
Jun 8, 1:11 PM CDTMesoscale DiscussionSPCButler, Clarke, Coffee, Conecuh, Covington, Crenshaw and 6 more3 hr
Jun 8, 1:49 PM CDTSevere Thunderstorm WatchSPCButler, Choctaw, Clarke, Coffee, Conecuh, Covington and 8 more7 hr
Jun 8, 3:08 PM CDTMesoscale DiscussionSPCAutauga, Bibb, Chilton, Choctaw, Clay, Coosa and 16 more97 min
Jun 8, 12:57 PM CDTMesoscale DiscussionSPCAlachua, Baker, Bradford, Brevard, Broward, Charlotte and 38 more3 hr
Jun 8, 11:45 AM CDTMesoscale DiscussionSPCBryan, Bulloch, Burke, Candler, Chatham, Columbia and 17 more3 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.