Alert archive / Iowa / Mesoscale Discussions in 2004

Mesoscale Discussion 815

May 22, 200429 counties in Illinois; 30 counties in Iowa; 4 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at May 22, 2004, 2:41 AM CDT for 29 counties in Illinois; 30 counties in Iowa; 4 counties in Wisconsin. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: May 22, 2004, 2:41 AM CDT (07:41 UTC)
Expired: May 22, 2004, 4:15 AM CDT
In force: 94 min
Issued by: the Storm Prediction Center

All 63 counties

Benton County, IA, Black Hawk County, IA, Buchanan County, IA, Cedar County, IA, Clayton County, IA, Clinton County, IA, Dallas County, IA, Delaware County, IA, Dubuque County, IA, Grundy County, IA, Iowa County, IA, Jackson County, IA, Jasper County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Linn County, IA, Louisa County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Muscatine County, IA, Polk County, IA, Poweshiek County, IA, Scott County, IA, Story County, IA, Tama County, IA, Warren County, IA, Washington County, IA, Boone County, IL, Bureau County, IL, Carroll County, IL, Cook County, IL, DeKalb County, IL, DuPage County, IL, Grundy 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, Mercer County, IL, Ogle County, IL, Putnam County, IL, Rock Island County, IL, Stark County, IL, Stephenson County, IL, Whiteside County, IL, Will County, IL, Winnebago County, IL, Grant County, WI, Green County, WI, Lafayette County, WI, Rock County, WI

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
May 21, 7:37 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 19 more	83 min
May 22, 12:05 AM CDT	Severe Thunderstorm Watch	SPC	Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 22 more	6 hr
May 22, 6:58 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, Fulton, Hancock, Henderson and 13 more	62 min
May 22, 11:03 AM CDT	Mesoscale Discussion	SPC	DeWitt, Ford, Grundy, Iroquois, Kankakee, LaSalle and 9 more	57 min
May 22, 11:35 AM CDT	Severe Thunderstorm Watch	SPC	Champaign, Cook, DeWitt, Douglas, Ford, Grundy and 10 more	6 hr
May 22, 5:52 PM CDT	Mesoscale Discussion	SPC	Bureau, Carroll, DeKalb, Grundy, Henry, Jo Daviess and 12 more	113 min
May 22, 6:15 PM CDT	Tornado Watch	SPC	Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 25 more	6 hr
May 21, 9:55 PM CDT	Tornado Watch	SPC	Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 14 more	4 hr
May 22, 12:25 AM CDT	Mesoscale Discussion	SPC	Audubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 14 more	2 hr
May 22, 12:55 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Audubon, Boone, Carroll, Cass and 17 more	5 hr
May 22, 3:44 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Cass, Dallas and 11 more	61 min
May 22, 3:02 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Cass, Clarke and 29 more	58 min
May 22, 3:45 PM CDT	Tornado Watch	SPC	Fremont, Harrison, Mills, Pottawattamie, Shelby	7 hr

Nearby

Mesoscale Discussions in Iowa, 2004 Mesoscale Discussions in Illinois, 2004 Mesoscale Discussions in Wisconsin, 2004 Every mesoscale discussion in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.