Alert archive / Iowa / Mesoscale Discussions in 2006
Mesoscale Discussion 2239
The Storm Prediction Center issued this mesoscale discussion at Nov 29, 2006, 4:43 PM CST for 4 states. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 29, 2006, 4:43 PM CST (22:43 UTC)
- Expired
- Nov 29, 2006, 8:45 PM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 46 counties
Appanoose County, IA, Benton County, IA, Cedar County, IA, Clayton County, IA, Clinton County, IA, Davis County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Mahaska County, IA, Monroe County, IA, Muscatine County, IA, Poweshiek County, IA, Scott County, IA, Van Buren County, IA, Wapello County, IA, Washington County, IA, Carroll County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, Mercer County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Adair County, MO, Clark County, MO, Putnam County, MO, Schuyler County, MO, Scotland County, MO, Grant County, WI, Green County, WI, Iowa County, WI, Lafayette County, WI, Rock County, WI
The radar
The Quad Cities radar (KDVN), 51 km from the middle of the area, began a volume at 22:45 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, 10.7 hours before the alert went out and 264 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
- 125 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 264 m²/s²
- 0-3 km storm-relative helicity
- 285 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Nov 29, 9:33 AM CST | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Christian, DeWitt and 15 more | 87 min |
| Nov 29, 10:59 AM CST | Mesoscale Discussion | SPC | Decatur, Ringgold, Wayne | 5 hr |
Nearby
Mesoscale Discussions in Iowa, 2006Mesoscale Discussions in Illinois, 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.