Alert archive / Iowa / Mesoscale Discussions in 2017

Mesoscale Discussion 524

April 19, 2017Jo Daviess County, Illinois; 31 counties in Iowa; Lafayette County, Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Apr 19, 2017, 10:06 PM CDT for Jo Daviess County, Illinois; 31 counties in Iowa; Lafayette County, Wisconsin. It was in force for 54 min.

The area

The outline as issued.

The facts

Issued: Apr 19, 2017, 10:06 PM CDT (03:06 UTC)
Expired: Apr 19, 2017, 11:00 PM CDT
In force: 54 min
Issued by: the Storm Prediction Center

All 33 counties

Benton County, IA, Black Hawk County, IA, Buchanan County, IA, Butler County, IA, Cedar County, IA, Clinton County, IA, Dallas County, IA, Delaware County, IA, Dubuque County, IA, Franklin County, IA, Grundy County, IA, Hardin 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, Story County, IA, Tama County, IA, Warren County, IA, Washington County, IA, Jo Daviess County, IL, Lafayette County, WI

The radar

The Des Moines radar (KDMX), 92 km from the middle of the area, began a volume at 03:05 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.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 19, 8:57 PM CDT	Severe Thunderstorm Watch	SPC	Rock Island	4 hr
Apr 20, 2:07 PM CDT	Mesoscale Discussion	SPC	Alexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more	53 min

Nearby

Mesoscale Discussions in Iowa, 2017 Mesoscale Discussions in Illinois, 2017 Mesoscale Discussions in Wisconsin, 2017 Every mesoscale discussion in 2017

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.