Alert archive / Illinois / Mesoscale Discussions in 2006
Mesoscale Discussion 151
The Storm Prediction Center issued this mesoscale discussion at Feb 16, 2006, 4:55 PM CST for 7 states. It was in force for 95 min.
The area
The outline as issued.
The facts
- Issued
- Feb 16, 2006, 4:55 PM CST (22:55 UTC)
- Expired
- Feb 16, 2006, 6:30 PM CST
- In force
- 95 min
- Issued by
- the Storm Prediction Center
All 151 counties
Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lee County, AR, Mississippi County, AR, Poinsett County, AR, St. Francis County, AR, Woodruff County, AR, Alexander County, IL, Bond County, IL, Champaign County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Coles County, IL, Crawford County, IL, Cumberland 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, Hamilton County, IL, Hardin County, IL, Iroquois County, IL, Jackson County, IL, Jasper County, IL, Jefferson County, IL, Johnson County, IL, Lawrence County, IL, Macon County, IL, Marion County, IL, Massac County, IL, Monroe County, IL, Montgomery County, IL, Moultrie County, IL, Perry County, IL, Piatt County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Saline County, IL, Shelby County, IL, Union County, IL, Vermilion County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Benton County, IN, Crawford County, IN, Dubois County, IN, Fountain County, IN, Gibson County, IN, Harrison County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Spencer County, IN, Vanderburgh County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN, Warrick County, IN, Ballard County, KY, Breckinridge County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Fulton County, KY, Graves County, KY, Hancock County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Meade County, KY, Muhlenberg County, KY, Ohio County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Dunklin County, MO, Iron County, MO, Madison County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Perry County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, Stoddard County, MO, Wayne County, MO, Benton County, MS, DeSoto County, MS, Lafayette County, MS, Marshall County, MS, Panola County, MS, Tate County, MS, Tippah County, MS, Tunica County, MS, Benton County, TN, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Houston County, TN, Humphreys County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Montgomery County, TN, Obion County, TN, Shelby County, TN, Stewart County, TN, Tipton County, TN, Weakley County, TN
The radar
The Evansville,IN radar (KVWX), 88 km from the middle of the area, began a volume at 22:58 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.9 hours before the alert went out and 202 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 372 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 548 m²/s²
- 0-3 km storm-relative helicity
- 589 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 1:10 PM CST | Mesoscale Discussion | SPC | Benton, Crawford, Franklin, Johnson, Logan, Madison and 6 more | 95 min |
| Feb 16, 1:49 PM CST | Tornado Watch | SPC | Baxter, Boone, Carroll, Clark, Cleburne, Conway and 38 more | 7 hr |
| Feb 16, 5:13 PM CST | Tornado Watch | SPC | Arkansas, Clay, Craighead, Crittenden, Cross, Greene and 12 more | 6 hr |
| Feb 16, 5:16 AM CST | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Mercer, Ogle, Rock Island, Stephenson and 2 more | 5 hr |
| Feb 16, 9:41 AM CST | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Ford, Grundy, Kane and 8 more | 2 hr |
| Feb 16, 12:45 PM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, DeWitt, Ford and 20 more | 90 min |
| Feb 16, 1:16 PM CST | Tornado Watch | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 47 more | 7 hr |
| Feb 16, 5:59 PM CST | Mesoscale Discussion | SPC | Crawford | 61 min |
| Feb 16, 3:26 PM CST | Mesoscale Discussion | SPC | Allen, Benton, Blackford, Boone, Carroll, Cass and 41 more | 94 min |
| Feb 16, 3:55 PM CST | Tornado Watch | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Brown and 59 more | 6 hr |
Nearby
Mesoscale Discussions in Illinois, 2006Mesoscale Discussions in Kentucky, 2006Mesoscale Discussions in Tennessee, 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.