Alert archive / Iowa / Mesoscale Discussions in 2005

Mesoscale Discussion 1963

August 11, 200522 counties in Iowa; 4 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Aug 11, 2005, 3:12 PM CDT for 22 counties in Iowa; 4 counties in Nebraska. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Aug 11, 2005, 3:12 PM CDT (20:12 UTC)
Expired: Aug 11, 2005, 5:15 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 26 counties

Adair County, IA, Adams County, IA, Audubon County, IA, Cass County, IA, Clarke County, IA, Dallas County, IA, Decatur County, IA, Fremont County, IA, Guthrie County, IA, Lucas County, IA, Madison County, IA, Marion County, IA, Mills County, IA, Monroe County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Warren County, IA, Wayne County, IA, Cass County, NE, Douglas County, NE, Otoe County, NE, Sarpy County, NE

The radar

The Des Moines radar (KDMX), 96 km from the middle of the area, began a volume at 20:14 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.

Severe Thunderstorm Watch 714Aug 11, 4:20 PM CDT

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
Aug 10, 7:07 PM CDT	Mesoscale Discussion	SPC	Crawford, Fremont, Harrison, Mills, Monona, Montgomery and 3 more	53 min
Aug 11, 4:20 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Audubon, Benton, Boone, Buchanan and 39 more	6 hr

Nearby

Mesoscale Discussions in Iowa, 2005 Mesoscale Discussions in Nebraska, 2005 Every 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; radar from the NEXRAD Level II archive.