Alert archive / Georgia / Mesoscale Discussions in 2006

Mesoscale Discussion 414

April 3, 20064 states

The Storm Prediction Center issued this mesoscale discussion at Apr 3, 2006, 3:16 AM EDT for 4 states. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued
Apr 3, 2006, 3:16 AM EDT (07:16 UTC)
Expired
Apr 3, 2006, 4:45 AM EDT
In force
89 min
Issued by
the Storm Prediction Center
All 40 counties

Bartow County, GA, Catoosa County, GA, Cherokee County, GA, Dawson County, GA, Fannin County, GA, Floyd County, GA, Gilmer County, GA, Gordon County, GA, Habersham County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Rabun County, GA, Stephens County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA, Buncombe County, NC, Burke County, NC, Cherokee County, NC, Clay County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC, Greenville County, SC, Oconee County, SC, Pickens County, SC, Spartanburg County, SC, Polk County, TN

The radar

The Knoxville radar (KMRX), 129 km from the middle of the area, began a volume at 07:16 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 7.3 hours before the alert went out and 200 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 2006-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 587 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 2006-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
587 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
1711 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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
Apr 3, 3:47 AM EDTTornado WatchSPCBanks, Barrow, Bartow, Catoosa, Chattooga, Cherokee and 31 more5 hr
Apr 3, 6:10 AM EDTMesoscale DiscussionSPCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 81 more2 hr
Apr 3, 11:55 AM EDTMesoscale DiscussionSPCBanks, Barrow, Bartow, Burke, Butts, Carroll and 54 more2 hr
Apr 3, 12:54 PM EDTTornado WatchSPCBanks, Barrow, Bartow, Butts, Carroll, Catoosa and 61 more7 hr
Apr 3, 9:34 AM EDTMesoscale DiscussionSPCAnson, Bladen, Chatham, Cumberland, Duplin, Edgecombe and 19 more86 min
Apr 3, 2:36 PM EDTMesoscale DiscussionSPCAlamance, Beaufort, Bertie, Camden, Caswell, Chatham and 37 more114 min
Apr 3, 4:15 PM EDTTornado WatchSPCAlamance, Anson, Beaufort, Bertie, Bladen, Brunswick and 56 more7 hr
Apr 3, 4:59 PM EDTMesoscale DiscussionSPCAlamance, Anson, Cabarrus, Catawba, Chatham, Cleveland and 19 more91 min
Apr 2, 8:06 PM EDTMesoscale DiscussionSPCBedford, Benton, Cannon, Carroll, Cheatham, Chester and 45 more84 min
Apr 2, 8:38 PM EDTTornado WatchSPCBedford, Benton, Cannon, Cheatham, Clay, Coffee and 26 more3 hr
Apr 2, 10:10 PM EDTMesoscale DiscussionSPCBenton, Carroll, Cheatham, Chester, Crockett, Davidson and 27 more2 hr
Apr 2, 11:14 PM EDTTornado WatchSPCCarroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more6 hr
Apr 2, 11:27 PM EDTTornado WatchSPCAnderson, Bedford, Benton, Bledsoe, Blount, Bradley and 64 more7 hr

Nearby

Mesoscale Discussions in Georgia, 2006Mesoscale Discussions in North Carolina, 2006Mesoscale Discussions in South Carolina, 2006Every mesoscale discussion in 2006

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.