Alert archive / Illinois / Mesoscale Discussions in 2005

Mesoscale Discussion 2378

November 5, 20055 states

The Storm Prediction Center issued this mesoscale discussion at Nov 5, 2005, 8:53 PM CST for 5 states. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued: Nov 5, 2005, 8:53 PM CST (02:53 UTC)
Expired: Nov 5, 2005, 10:00 PM CST
In force: 67 min
Issued by: the Storm Prediction Center

All 112 counties

Clay County, AR, Cleburne County, AR, Craighead County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Lawrence County, AR, Poinsett County, AR, Randolph County, AR, Sharp County, AR, Stone County, AR, Alexander County, IL, Bond County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Ford County, IL, Franklin County, IL, Gallatin County, IL, Grundy County, IL, Hamilton County, IL, Iroquois County, IL, Jackson County, IL, Jasper County, IL, Jefferson County, IL, Jersey County, IL, Johnson County, IL, Kankakee County, IL, LaSalle County, IL, Lawrence County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Marshall County, IL, Massac County, IL, McLean County, IL, Menard County, IL, Monroe County, IL, Montgomery County, IL, Moultrie County, IL, Perry County, IL, Piatt County, IL, Pope County, IL, Pulaski County, IL, Putnam County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Saline County, IL, Sangamon County, IL, Shelby County, IL, Tazewell County, IL, Union County, IL, Vermilion County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Will County, IL, Williamson County, IL, Woodford County, IL, Benton County, IN, Fountain County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Parke County, IN, Sullivan County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN, Ballard County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, City of Saint Louis, MO, Dunklin County, MO, Iron County, MO, Jefferson County, MO, Madison County, MO, Mississippi County, MO, New Madrid County, MO, Oregon County, MO, Pemiscot County, MO, Perry County, MO, Reynolds County, MO, Ripley County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, Stoddard County, MO, Washington County, MO, Wayne County, MO

The radar

The Evansville,IN radar (KVWX), 128 km from the middle of the area, began a volume at 02:58 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.

Severe Thunderstorm Watch 843Nov 5, 9:30 PM CST

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.9 hours before the alert went out and 168 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 659 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 710 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 197 m²/s²
0-3 km storm-relative helicity: 270 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 1.8

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.

Issued	Product	Office	Counties	Lasted
Nov 5, 7:25 PM CST	Mesoscale Discussion	SPC	Baxter, Boone, Carroll, Cleburne, Franklin, Fulton and 11 more	95 min
Nov 5, 9:30 PM CST	Severe Thunderstorm Watch	SPC	Baxter, Clay, Cleburne, Craighead, Fulton, Greene and 10 more	7 hr
Nov 5, 11:57 PM CST	Mesoscale Discussion	SPC	Clay, Craighead, Crittenden, Cross, Greene, Jackson and 4 more	93 min
Nov 6, 1:00 AM CST	Severe Thunderstorm Watch	SPC	Crittenden	85 min
Nov 6, 2:30 AM CST	Tornado Watch	SPC	Crittenden	4 hr
Nov 5, 6:36 PM CST	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, DeWitt, Fulton and 23 more	84 min
Nov 6, 2:13 AM CST	Mesoscale Discussion	SPC	Clark, Crawford, Dubois, Floyd, Harrison, Jackson and 10 more	92 min
Nov 6, 3:55 AM CST	Tornado Watch	SPC	Dearborn, Ohio, Switzerland	6 hr
Nov 6, 5:20 AM CST	Mesoscale Discussion	SPC	Bartholomew, Brown, Clark, Crawford, Dearborn, Decatur and 28 more	55 min
Nov 6, 3:40 AM CST	Mesoscale Discussion	SPC	Adair, Allen, Anderson, Barren, Bath, Bourbon and 52 more	95 min
Nov 6, 5:56 AM CST	Mesoscale Discussion	SPC	Bell, Boyd, Breathitt, Carter, Clay, Elliott and 15 more	64 min
Nov 6, 7:44 AM CST	Mesoscale Discussion	SPC	Campbell, Kenton	91 min

Nearby

Mesoscale Discussions in Illinois, 2005 Mesoscale Discussions in Missouri, 2005 Mesoscale Discussions in Arkansas, 2005 Every 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.