Alert archive / Kentucky / Mesoscale Discussions in 2005

Mesoscale Discussion 2519

December 3, 20054 states

The Storm Prediction Center issued this mesoscale discussion at Dec 3, 2005, 7:15 PM CST for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Dec 3, 2005, 7:15 PM CST (01:15 UTC)
Expired
Dec 3, 2005, 9:15 PM CST
In force
2 hr
Issued by
the Storm Prediction Center
All 85 counties

Massac County, IL, Adair County, KY, Allen County, KY, Ballard County, KY, Barren County, KY, Bell County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Casey County, KY, Christian County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Fulton County, KY, Graves County, KY, Grayson County, KY, Green County, KY, Hart County, KY, Hickman County, KY, Hopkins County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Lincoln County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McCreary County, KY, Metcalfe County, KY, Monroe County, KY, Muhlenberg County, KY, Ohio County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Todd County, KY, Trigg County, KY, Warren County, KY, Wayne County, KY, Whitley County, KY, Mississippi County, MO, Anderson County, TN, Benton County, TN, Campbell County, TN, Carroll County, TN, Cheatham County, TN, Clay County, TN, Crockett County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Dickson County, TN, Dyer County, TN, Fentress County, TN, Gibson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lake County, TN, Macon County, TN, Montgomery County, TN, Morgan County, TN, Obion County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Scott County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Weakley County, TN, White County, TN, Williamson County, TN, Wilson County, TN

The watches that followed

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

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 1.3 hours before the alert went out and 72 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, Nashville Metro, TN at 00:00Z on 2005-12-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Nashville Metro, TN at 00:00Z on 2005-12-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 509 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
509 m²/s²
0-3 km storm-relative helicity
605 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
Dec 3, 7:43 PM CSTMesoscale DiscussionSPCBoone, Bureau, Carroll, Champaign, Cook, DeKalb and 36 more5 hr
Dec 3, 6:56 PM CSTMesoscale DiscussionSPCBoone, Boyd, Bracken, Campbell, Carroll, Carter and 15 more6 hr
Dec 3, 8:05 PM CSTSevere Thunderstorm WatchSPCAdair, Allen, Ballard, Barren, Bell, Butler and 39 more7 hr
Dec 3, 11:38 PM CSTMesoscale DiscussionSPCAdair, Allen, Barren, Bell, Casey, Clay and 15 more2 hr
Dec 3, 9:35 PM CSTMesoscale DiscussionSPCChester, Decatur, Fayette, Giles, Hardeman, Hardin and 6 more115 min
Dec 3, 10:01 PM CSTTornado WatchSPCBedford, Chester, Coffee, Decatur, Franklin, Giles and 14 more7 hr

Nearby

Mesoscale Discussions in Kentucky, 2005Mesoscale Discussions in Tennessee, 2005Mesoscale Discussions in Illinois, 2005Every mesoscale discussion in 2005

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.