Alert archive / Nebraska / Mesoscale Discussions in 2004

Mesoscale Discussion 581

May 7, 200432 counties in Iowa; 35 counties in Nebraska; 7 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at May 7, 2004, 2:26 PM CDT for 32 counties in Iowa; 35 counties in Nebraska; 7 counties in South Dakota. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: May 7, 2004, 2:26 PM CDT (19:26 UTC)
Expired: May 7, 2004, 5:00 PM CDT
In force: 3 hr
Issued by: the Storm Prediction Center

All 74 counties

Adair County, IA, Adams County, IA, Audubon County, IA, Buena Vista County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dickinson County, IA, Fremont County, IA, Greene County, IA, Guthrie County, IA, Harrison County, IA, Ida County, IA, Lyon County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, O'Brien County, IA, Osceola County, IA, Page County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Pottawattamie County, IA, Sac County, IA, Shelby County, IA, Sioux County, IA, Union County, IA, Woodbury County, IA, Antelope County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Hamilton County, NE, Johnson County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Otoe County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, York County, NE, Bon Homme County, SD, Clay County, SD, Hutchinson County, SD, Lincoln County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Omaha radar (KOAX), 41 km from the middle of the area, began a volume at 19:29 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
May 6, 11:53 PM CDT	Mesoscale Discussion	SPC	Adair, Benton, Black Hawk, Boone, Buchanan, Cedar and 34 more	97 min
May 7, 4:24 AM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Jackson, Johnson, Jones, Louisa and 3 more	96 min
May 7, 11:44 AM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Jackson, Johnson, Jones, Linn and 2 more	2 hr
May 7, 4:33 PM CDT	Mesoscale Discussion	SPC	Clayton, Clinton, Delaware, Dubuque, Jackson, Jones	87 min
May 7, 5:25 PM CDT	Severe Thunderstorm Watch	SPC	Allamakee, Buchanan, Clayton, Delaware, Dubuque, Fayette and 4 more	6 hr

Nearby

Mesoscale Discussions in Nebraska, 2004 Mesoscale Discussions in Iowa, 2004 Mesoscale Discussions in South Dakota, 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; radar from the NEXRAD Level II archive.