Alert archive / Wisconsin / Mesoscale Discussions in 2005
Mesoscale Discussion 1875
The Storm Prediction Center issued this mesoscale discussion at Jul 25, 2005, 9:09 PM CDT for 7 counties in Iowa; 26 counties in Wisconsin. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 25, 2005, 9:09 PM CDT (02:09 UTC)
- Expired
- Jul 25, 2005, 11:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Allamakee County, IA, Bremer County, IA, Buchanan County, IA, Clayton County, IA, Delaware County, IA, Dubuque County, IA, Fayette County, IA, Adams County, WI, Columbia County, WI, Crawford County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Grant County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jefferson County, WI, Juneau County, WI, Kenosha County, WI, Lafayette County, WI, Marquette County, WI, Milwaukee County, WI, Monroe County, WI, Ozaukee County, WI, Racine County, WI, Richland County, WI, Rock County, WI, Sauk County, WI, Vernon County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI
The radar
The Milwaukee radar (KMKX), 105 km from the middle of the area, began a volume at 02:09 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
Davenport, (KDVN), launched 00:00Z, 2.2 hours before the alert went out and 181 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
- 1972 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1926 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 8.3
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 |
|---|---|---|---|---|
| Jul 25, 7:10 PM CDT | Mesoscale Discussion | SPC | Audubon, Carroll, Greene, Mills, Pottawattamie, Shelby and 1 more | 65 min |
| Jul 25, 9:20 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Boone, Cass, Dallas, Fremont and 6 more | 55 min |
| Jul 25, 11:25 PM CDT | Severe Thunderstorm Watch | SPC | Calumet, Dodge, Fond du Lac, Green Lake, Jefferson, Kenosha and 8 more | 5 hr |
Nearby
Mesoscale Discussions in Wisconsin, 2005Mesoscale Discussions in Iowa, 2005Every mesoscale discussion in 2005
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.