Alert archive / Georgia / Mesoscale Discussions in 2008

Mesoscale Discussion 406

March 14, 200832 counties in Georgia

The Storm Prediction Center issued this mesoscale discussion at Mar 14, 2008, 11:03 PM EDT for 32 counties in Georgia. It was in force for 57 min.

The area

The outline as issued.

The facts

Issued
Mar 14, 2008, 11:03 PM EDT (03:03 UTC)
Expired
Mar 15, 2008, 12:00 AM EDT
In force
57 min
Issued by
the Storm Prediction Center
All 32 counties

Baldwin County, GA, Butts County, GA, Clayton County, GA, Cobb County, GA, DeKalb County, GA, Douglas County, GA, Fayette County, GA, Fulton County, GA, Glascock County, GA, Greene County, GA, Gwinnett County, GA, Hancock County, GA, Henry County, GA, Jasper County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, McDuffie County, GA, Morgan County, GA, Newton County, GA, Oconee County, GA, Paulding County, GA, Polk County, GA, Putnam County, GA, Richmond County, GA, Rockdale County, GA, Spalding County, GA, Taliaferro County, GA, Walton County, GA, Warren County, GA, Washington County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 88 km from the middle of the area, began a volume at 03:04 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.1 hours before the alert went out and 85 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 2008-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 733 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 2008-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
733 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
984 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.6

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
Mar 14, 8:11 PM EDTMesoscale DiscussionSPCBartow, Butts, Carroll, Catoosa, Chattahoochee, Chattooga and 46 more64 min
Mar 15, 1:39 AM EDTMesoscale DiscussionSPCBartow, Carroll, Catoosa, Chattooga, Dade, Floyd and 7 more66 min
Mar 15, 3:57 AM EDTMesoscale DiscussionSPCBanks, Barrow, Bartow, Butts, Carroll, Catoosa and 55 more93 min
Mar 15, 4:28 AM EDTSevere Thunderstorm WatchSPCBanks, Barrow, Bartow, Butts, Carroll, Chattooga and 42 more3 hr
Mar 15, 7:18 AM EDTMesoscale DiscussionSPCBurke, Columbia, Glascock, Hancock, Jefferson, Jenkins and 7 more117 min
Mar 15, 10:38 AM EDTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bartow, Butts, Carroll and 43 more67 min
Mar 15, 11:02 AM EDTTornado WatchSPCBaldwin, Banks, Barrow, Bartow, Bibb, Burke and 73 more8 hr
Mar 15, 1:22 PM EDTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bartow, Bibb, Burke and 67 more83 min
Mar 15, 2:21 PM EDTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bartow, Bibb, Burke and 57 more84 min
Mar 15, 3:08 PM EDTMesoscale DiscussionSPCBarrow, Carroll, Clarke, Clayton, Cobb, DeKalb and 11 more67 min
Mar 15, 3:39 PM EDTMesoscale DiscussionSPCCatoosa, Chattooga, Dade, Gordon, Murray, Walker and 1 more2 hr
Mar 15, 4:36 PM EDTTornado Watch PDSSPCBaldwin, Barrow, Bibb, Bleckley, Bryan, Bulloch and 73 more8 hr
Mar 15, 5:56 PM EDTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Bleckley and 40 more64 min
Mar 15, 6:17 PM EDTMesoscale DiscussionSPCBanks, Bartow, Cherokee, Cobb, Dawson, Floyd and 14 more28 min
Mar 15, 7:41 PM EDTMesoscale DiscussionSPCBaldwin, Bibb, Bleckley, Bulloch, Burke, Butts and 52 more64 min

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; radar from the NEXRAD Level II archive.