Alert archive / Missouri / Mesoscale Discussions in 2007

Mesoscale Discussion 2191

December 8, 20075 states

The Storm Prediction Center issued this mesoscale discussion at Dec 8, 2007, 11:27 PM CST for 5 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Dec 8, 2007, 11:27 PM CST (05:27 UTC)
Expired
Dec 9, 2007, 5:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 107 counties

Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Cass County, IL, Champaign County, IL, Christian County, IL, Coles County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Ford County, IL, Fulton County, IL, Greene County, IL, Iroquois County, IL, Jersey County, IL, Kankakee County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, Marshall County, IL, Mason County, IL, McDonough County, IL, McLean County, IL, Menard County, IL, Montgomery County, IL, Morgan County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Pike County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Tazewell County, IL, Vermilion County, IL, Woodford County, IL, Benton County, IN, Carroll County, IN, Clinton County, IN, Fountain County, IN, Jasper County, IN, Montgomery County, IN, Newton County, IN, Pulaski County, IN, Tippecanoe County, IN, Vermillion County, IN, Warren County, IN, White County, IN, Cherokee County, KS, Crawford County, KS, Labette County, KS, Audrain County, MO, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, City of Saint Louis, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Lincoln County, MO, Maries County, MO, Marion County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Pettis County, MO, Phelps County, MO, Pike County, MO, Polk County, MO, Pulaski County, MO, Ralls County, MO, Randolph County, MO, Saint Charles County, MO, Saint Louis County, MO, St. Clair County, MO, Vernon County, MO, Warren County, MO, Webster County, MO, Wright County, MO, Craig County, OK, Ottawa County, OK

The radar

The St Louis radar (KLSX), 54 km from the middle of the area, began a volume at 05:29 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

Lincoln, IL (KILX), launched 00:00Z, 5.5 hours before the alert went out and 260 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, Lincoln, IL at 00:00Z on 2007-12-09Temperature 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, Lincoln, IL at 00:00Z on 2007-12-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 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
592 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
690 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 9, 5:41 AM CSTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Champaign, Christian and 27 more5 hr
Dec 9, 12:11 PM CSTMesoscale DiscussionSPCFord, Iroquois, Kankakee4 hr
Dec 9, 9:48 AM CSTMesoscale DiscussionSPCCherokee, Crawford, Labette2 hr
Dec 9, 12:00 PM CSTMesoscale DiscussionSPCBarry, Christian, McDonald, Stone, Taney4 hr
Dec 8, 10:57 PM CSTMesoscale DiscussionSPCBlaine, Caddo, Canadian, Cleveland, Comanche, Creek and 18 more5 hr
Dec 9, 12:51 PM CSTMesoscale DiscussionSPCJackson, Tillman4 hr
Dec 9, 5:56 PM CSTMesoscale DiscussionSPCCaddo, Canadian, Cleveland, Comanche, Craig, Creek and 22 more5 hr

Nearby

Mesoscale Discussions in Missouri, 2007Mesoscale Discussions in Illinois, 2007Mesoscale Discussions in Indiana, 2007Every mesoscale discussion in 2007

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.