Alert archive / Illinois / Mesoscale Discussions in 2007

Mesoscale Discussion 1525

July 18, 20075 states

The Storm Prediction Center issued this mesoscale discussion at Jul 18, 2007, 4:59 PM CDT for 5 states. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued: Jul 18, 2007, 4:59 PM CDT (21:59 UTC)
Expired: Jul 18, 2007, 6:30 PM CDT
In force: 91 min
Issued by: the Storm Prediction Center

All 88 counties

Allamakee County, IA, Benton County, IA, Buchanan County, IA, Cedar County, IA, Clayton County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Fayette County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Washington County, IA, Winneshiek County, IA, Boone County, IL, Bureau County, IL, Carroll County, IL, Champaign County, IL, Cook County, IL, DeKalb County, IL, DuPage County, IL, Ford County, IL, Grundy County, IL, Henderson County, IL, Henry County, IL, Iroquois County, IL, Jo Daviess County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Knox County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, Marshall County, IL, McHenry County, IL, McLean County, IL, Mercer County, IL, Ogle County, IL, Peoria County, IL, Putnam County, IL, Rock Island County, IL, Stark County, IL, Stephenson County, IL, Tazewell County, IL, Vermilion County, IL, Warren County, IL, Whiteside County, IL, Will County, IL, Winnebago County, IL, Woodford County, IL, Benton County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Tippecanoe County, IN, Warren County, IN, Fillmore County, MN, Houston County, MN, 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, 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), 100 km from the middle of the area, began a volume at 22:01 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 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
Jul 17, 9:31 PM CDT	Severe Thunderstorm Watch	SPC	Boone, Carroll, DeKalb, Jo Daviess, Lee, Ogle and 3 more	6 hr
Jul 17, 11:24 PM CDT	Mesoscale Discussion	SPC	Bureau, Carroll, DeKalb, Henderson, Henry, Jo Daviess and 15 more	96 min
Jul 18, 3:35 AM CDT	Mesoscale Discussion	SPC	Boone, Carroll, DeKalb, Jo Daviess, Kane, Lee and 5 more	85 min
Jul 18, 4:21 AM CDT	Mesoscale Discussion	SPC	Clark, Clay, Coles, Crawford, Cumberland, Douglas and 10 more	54 min
Jul 18, 5:35 PM CDT	Severe Thunderstorm Watch	SPC	Boone, Bureau, Carroll, DeKalb, DeWitt, Fulton and 25 more	6 hr
Jul 18, 6:38 PM CDT	Mesoscale Discussion	SPC	Champaign, Cook, Douglas, DuPage, Edgar, Ford and 11 more	97 min
Jul 18, 6:50 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 18 more	85 min
Jul 18, 12:47 PM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Buena Vista and 37 more	2 hr
Jul 18, 2:09 PM CDT	Severe Thunderstorm Watch	SPC	Black Hawk, Boone, Bremer, Buena Vista, Butler, Calhoun and 33 more	4 hr
Jul 18, 12:17 PM CDT	Mesoscale Discussion	SPC	Anoka, Chisago, Isanti, Ramsey, Washington	118 min
Jul 18, 3:42 PM CDT	Mesoscale Discussion	SPC	Anoka, Dakota, Goodhue, Hennepin, Olmsted, Ramsey and 4 more	63 min
Jul 18, 3:59 PM CDT	Severe Thunderstorm Watch	SPC	Anoka, Carver, Dakota, Dodge, Fillmore, Goodhue and 14 more	5 hr
Jul 18, 6:44 PM CDT	Mesoscale Discussion	SPC	Houston, Winona	2 hr
Jul 18, 1:37 PM CDT	Severe Thunderstorm Watch	SPC	Brown, Calumet, Dodge, Door, Fond du Lac, Green Lake and 18 more	7 hr
Jul 18, 5:46 PM CDT	Mesoscale Discussion	SPC	Brown, Calumet, Dodge, Fond du Lac, Green Lake, Manitowoc and 11 more	119 min

Nearby

Mesoscale Discussions in Illinois, 2007 Mesoscale Discussions in Iowa, 2007 Mesoscale Discussions in Wisconsin, 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.