Alert archive / Wisconsin / Mesoscale Discussions in 2007
Mesoscale Discussion 187
The Storm Prediction Center issued this mesoscale discussion at Feb 24, 2007, 12:08 AM CST for Allamakee County, Iowa; Houston County, Winona County, Minnesota; 23 counties in Wisconsin. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 24, 2007, 12:08 AM CST (06:08 UTC)
- Expired
- Feb 24, 2007, 4:15 AM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 26 counties
Allamakee County, IA, Houston County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Columbia County, WI, Dodge County, WI, Eau Claire County, WI, Fond du Lac County, WI, Green Lake County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Marquette County, WI, Monroe County, WI, Pepin County, WI, Portage County, WI, Sauk County, WI, Trempealeau County, WI, Vernon County, WI, Washington County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI
The radar
The La Crosse radar (KARX), 58 km from the middle of the area, began a volume at 06:08 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 6.1 hours before the alert went out and 199 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
- 1291 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 23, 7:59 PM CST | Mesoscale Discussion | SPC | Allamakee, Chickasaw, Clayton, Fayette, Howard, Winneshiek | 5 hr |
| Feb 24, 7:25 AM CST | Mesoscale Discussion | SPC | Benton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 39 more | 4 hr |
| Feb 24, 12:19 PM CST | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 42 more | 5 hr |
| Feb 24, 1:34 PM CST | Mesoscale Discussion | SPC | Cherokee, Clay, Dickinson, Emmet, Lyon, O'Brien and 3 more | 5 hr |
Nearby
Mesoscale Discussions in Wisconsin, 2007Mesoscale Discussions in Minnesota, 2007Mesoscale Discussions in Iowa, 2007Every mesoscale discussion in 2007
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.