Alert archive / Wisconsin / Mesoscale Discussions in 2008
Mesoscale Discussion 729
The Storm Prediction Center issued this mesoscale discussion at Apr 25, 2008, 2:10 PM CDT for Houston County, Winona County, Minnesota; 35 counties in Wisconsin. It was in force for 65 min.
The area
The outline as issued.
The facts
- Issued
- Apr 25, 2008, 2:10 PM CDT (19:10 UTC)
- Expired
- Apr 25, 2008, 3:15 PM CDT
- In force
- 65 min
- Issued by
- the Storm Prediction Center
All 37 counties
Houston County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Chippewa County, WI, Clark County, WI, Columbia County, WI, Crawford County, WI, Dane County, WI, Dodge County, WI, Eau Claire County, WI, Fond du Lac County, WI, Grant County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jackson County, WI, Jefferson County, WI, Juneau County, WI, La Crosse County, WI, Lafayette County, WI, Marquette County, WI, Monroe County, WI, Pepin County, WI, Portage County, WI, Richland County, WI, Rock County, WI, Sauk County, WI, Trempealeau County, WI, Vernon County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI
The radar
The La Crosse radar (KARX), 82 km from the middle of the area, began a volume at 19:13 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.2 hours before the alert went out and 191 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
- 806 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 240 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 |
|---|---|---|---|---|
| Apr 25, 6:06 AM CDT | Mesoscale Discussion | SPC | Big Stone, Lac qui Parle, Lincoln, Swift | 6 hr |
| Apr 25, 9:10 AM CDT | Mesoscale Discussion | SPC | Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 9 more | 65 min |
| Apr 25, 2:41 PM CDT | Tornado Watch | SPC | Adams, Columbia, Crawford, Dane, Dodge, Fond du Lac and 26 more | 5 hr |
| Apr 25, 6:43 PM CDT | Mesoscale Discussion | SPC | Brown, Calumet, Door, Kewaunee, Manitowoc, Oconto and 1 more | 92 min |
Nearby
Mesoscale Discussions in Wisconsin, 2008Mesoscale Discussions in Minnesota, 2008Every mesoscale discussion in 2008
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.