Alert archive / Georgia / Mesoscale Discussions in 2008

Mesoscale Discussion 866

May 10, 200823 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at May 10, 2008, 5:58 PM EDT for 23 counties in Georgia. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
May 10, 2008, 5:58 PM EDT (21:58 UTC)
Expired
May 10, 2008, 8:00 PM EDT
In force
2 hr
Issued by
the Storm Prediction Center
All 23 counties

Appling County, GA, Atkinson County, GA, Bacon County, GA, Berrien County, GA, Brantley County, GA, Brooks County, GA, Camden County, GA, Charlton County, GA, Clinch County, GA, Coffee County, GA, Colquitt County, GA, Cook County, GA, Echols County, GA, Glynn County, GA, Irwin County, GA, Lanier County, GA, Lowndes County, GA, Mitchell County, GA, Pierce County, GA, Thomas County, GA, Tift County, GA, Ware County, GA, Wayne County, GA

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.0 hours before the alert went out and 290 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 12:00Z on 2008-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1694 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 12:00Z on 2008-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.1939587897117Sfc1 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
1694 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
500 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
1.4
Supercell composite
5.5

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 10, 5:05 AM EDTMesoscale DiscussionSPCBaldwin, Barrow, Bartow, Bibb, Bleckley, Butts and 63 more115 min
May 10, 5:25 AM EDTMesoscale DiscussionSPCBarrow, Burke, Clarke, Columbia, Elbert, Glascock and 19 more95 min
May 10, 12:28 PM EDTMesoscale DiscussionSPCAppling, Bacon, Baldwin, Ben Hill, Bibb, Bleckley and 70 more3 hr
May 10, 2:10 PM EDTTornado WatchSPCBaldwin, Barrow, Bibb, Bleckley, Bryan, Bulloch and 84 more7 hr
May 10, 4:26 PM EDTMesoscale DiscussionSPCAppling, Baldwin, Bibb, Bleckley, Bryan, Bulloch and 83 more2 hr

Nearby

Mesoscale Discussions in Georgia, 2008Every mesoscale discussion in 2008

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.