Alert archive / Missouri / Mesoscale Discussions in 2005

Mesoscale Discussion 80

January 13, 200521 counties in Illinois; Lee County, Iowa; 57 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jan 13, 2005, 6:51 AM CST for 21 counties in Illinois; Lee County, Iowa; 57 counties in Missouri. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jan 13, 2005, 6:51 AM CST (12:51 UTC)
Expired
Jan 13, 2005, 10:45 AM CST
In force
4 hr
Issued by
the Storm Prediction Center
All 79 counties

Lee County, IA, Adams County, IL, Brown County, IL, Calhoun County, IL, Cass County, IL, Fulton County, IL, Greene County, IL, Hancock County, IL, Henderson County, IL, Jersey County, IL, Knox County, IL, Mason County, IL, McDonough County, IL, Menard County, IL, Morgan County, IL, Peoria County, IL, Pike County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Tazewell County, IL, Warren County, IL, Adair County, MO, Audrain County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Cedar County, MO, Chariton County, MO, Christian County, MO, Clark County, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jasper County, MO, Johnson County, MO, Knox County, MO, Laclede County, MO, Lafayette County, MO, Lawrence County, MO, Lewis County, MO, Lincoln County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Maries County, MO, Marion 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, Pike County, MO, Polk County, MO, Pulaski County, MO, Ralls County, MO, Randolph County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, St. Clair County, MO, Sullivan County, MO, Vernon County, MO, Warren County, MO, Webster County, MO

The radar

The St Louis radar (KLSX), 116 km from the middle of the area, began a volume at 12:53 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 12:00Z, 0.9 hours before the alert went out and 281 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 12:00Z on 2005-01-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 2005-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 264 square meters per square second.1939587897117136Sfc1 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
4 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
408 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
264 m²/s²
0-3 km storm-relative helicity
156 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
Jan 12, 6:02 PM CSTMesoscale DiscussionSPCCalhoun88 min
Jan 12, 7:34 PM CSTMesoscale DiscussionSPCBrown, Bureau, Cass, Cook, DeKalb, DeWitt and 24 more86 min
Jan 12, 9:28 PM CSTMesoscale DiscussionSPCAlexander, Bond, Clinton, Fayette, Jackson, Jersey and 9 more32 min
Jan 12, 9:45 PM CSTSevere Thunderstorm WatchSPCAlexander, Bond, Clinton, Effingham, Fayette, Greene and 14 more5 hr
Jan 13, 1:02 AM CSTMesoscale DiscussionSPCAlexander, Bond, Clay, Clinton, Coles, Cumberland and 13 more88 min
Jan 13, 11:58 AM CSTMesoscale DiscussionSPCBond, Calhoun, Cass, Champaign, Christian, Clark and 45 more5 hr
Jan 12, 6:50 PM CSTMesoscale DiscussionSPCAdair, Caldwell, Carroll, Cass, Jackson, Lafayette and 6 more4 hr
Jan 12, 10:16 PM CSTMesoscale DiscussionSPCDunklin59 min

Nearby

Mesoscale Discussions in Missouri, 2005Mesoscale Discussions in Illinois, 2005Mesoscale Discussions in Iowa, 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; radar from the NEXRAD Level II archive.