Alert archive / Iowa / Mesoscale Discussions in 2007

Mesoscale Discussion 453

April 11, 2007Jo Daviess County, Stephenson County, Winnebago County, Illinois; 25 counties in Iowa; 20 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Apr 11, 2007, 7:30 AM CDT for Jo Daviess County, Stephenson County, Winnebago County, Illinois; 25 counties in Iowa; 20 counties in Wisconsin. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Apr 11, 2007, 7:30 AM CDT (12:30 UTC)
Expired: Apr 11, 2007, 1:30 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 48 counties

Allamakee County, IA, Benton County, IA, Black Hawk County, IA, Bremer County, IA, Buchanan County, IA, Butler County, IA, Chickasaw County, IA, Clayton County, IA, Delaware County, IA, Dubuque County, IA, Fayette County, IA, Grundy County, IA, Hardin County, IA, Iowa County, IA, Jackson County, IA, Jasper County, IA, Jones County, IA, Linn County, IA, Marion County, IA, Marshall County, IA, Polk County, IA, Poweshiek County, IA, Story County, IA, Tama County, IA, Winneshiek County, IA, Jo Daviess County, IL, Stephenson County, IL, Winnebago County, IL, Columbia County, WI, Crawford County, WI, Dane County, WI, Dodge County, WI, Grant County, WI, Green County, WI, Iowa County, WI, Jefferson County, WI, Kenosha County, WI, Lafayette County, WI, Milwaukee 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 Quad Cities radar (KDVN), 110 km from the middle of the area, began a volume at 12:31 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 text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 11, 2:04 PM CDT	Mesoscale Discussion	SPC	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 19 more	86 min

Nearby

Mesoscale Discussions in Iowa, 2007 Mesoscale Discussions in Wisconsin, 2007 Mesoscale Discussions in Illinois, 2007 Every 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; radar from the NEXRAD Level II archive.