Alert archive / Iowa / Mesoscale Discussions in 2006
Mesoscale Discussion 1981
The Storm Prediction Center issued this mesoscale discussion at Sep 16, 2006, 11:44 PM CDT for 6 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 16, 2006, 11:44 PM CDT (04:44 UTC)
- Expired
- Sep 17, 2006, 1:45 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 127 counties
Adair County, IA, Adams County, IA, Allamakee County, IA, Appanoose County, IA, Benton County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Buchanan County, IA, Butler County, IA, Cerro Gordo County, IA, Chickasaw County, IA, Clarke County, IA, Clayton County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Delaware County, IA, Fayette County, IA, Floyd County, IA, Franklin County, IA, Grundy County, IA, Hamilton County, IA, Hardin County, IA, Howard County, IA, Iowa County, IA, Jasper County, IA, Keokuk County, IA, Linn County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Mitchell County, IA, Monroe County, IA, Montgomery County, IA, Page County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Story County, IA, Tama County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Winneshiek County, IA, Worth County, IA, Wright County, IA, Atchison County, KS, Brown County, KS, Chase County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Dodge County, MN, Fillmore County, MN, Goodhue County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Livingston County, MO, Mercer County, MO, Nodaway County, MO, Platte County, MO, Putnam County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO, Nemaha County, NE, Richardson County, NE, Barron County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Crawford County, WI, Dunn County, WI, Eau Claire County, WI, Jackson County, WI, La Crosse County, WI, Lincoln County, WI, Monroe County, WI, Pepin County, WI, Pierce County, WI, Price County, WI, Rusk County, WI, Sawyer County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI, Washburn County, WI
The radar
The Des Moines radar (KDMX), 126 km from the middle of the area, began a volume at 04:44 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
Minneapolis, MN (KMPX), launched 00:00Z, 4.7 hours before the alert went out and 237 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
- 1108 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 1090 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 328 m²/s²
- 0-3 km storm-relative helicity
- 428 m²/s²
- Significant tornado parameter
- 2.8
- Supercell composite
- 11.8
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 |
|---|---|---|---|---|
| Sep 16, 8:15 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 29 more | 2 hr |
| Sep 16, 8:34 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 29 more | 7 hr |
| Sep 16, 7:37 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clark, Comanche, Edwards, Ellis and 15 more | 113 min |
| Sep 16, 11:02 PM CDT | Severe Thunderstorm Watch | SPC | Atchison, Brown, Clay, Doniphan, Douglas, Jackson and 7 more | 5 hr |
| Sep 16, 9:54 PM CDT | Mesoscale Discussion | SPC | Aitkin, Anoka, Becker, Beltrami, Benton, Carlton and 27 more | 66 min |
| Sep 17, 12:25 PM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Howell and 14 more | 3 hr |
| Sep 16, 10:50 PM CDT | Severe Thunderstorm Watch | SPC | Barron, Buffalo, Chippewa, Dunn, Eau Claire, Pepin and 5 more | 4 hr |
Nearby
Mesoscale Discussions in Iowa, 2006Mesoscale Discussions in Kansas, 2006Mesoscale Discussions in Missouri, 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.