Alert archive / Iowa / Mesoscale Discussions in 2018

Mesoscale Discussion 73

February 20, 201816 counties in Iowa; 6 counties in Minnesota; 8 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Feb 20, 2018, 2:43 AM CST for 16 counties in Iowa; 6 counties in Minnesota; 8 counties in Wisconsin. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Feb 20, 2018, 2:43 AM CST (08:43 UTC)
Expired: Feb 20, 2018, 5:45 AM CST
In force: 3 hr
Issued by: the Storm Prediction Center

All 30 counties

Black Hawk County, IA, Bremer County, IA, Butler County, IA, Chickasaw County, IA, Floyd County, IA, Grundy County, IA, Hardin County, IA, Howard County, IA, Jasper County, IA, Lucas County, IA, Marion County, IA, Marshall County, IA, Mitchell County, IA, Poweshiek County, IA, Tama County, IA, Winneshiek County, IA, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Buffalo County, WI, Clark County, WI, Eau Claire County, WI, Jackson County, WI, La Crosse County, WI, Monroe County, WI, Trempealeau County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 80 km from the middle of the area, began a volume at 08:47 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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Nearby

Mesoscale Discussions in Iowa, 2018 Mesoscale Discussions in Wisconsin, 2018 Mesoscale Discussions in Minnesota, 2018 Every mesoscale discussion in 2018

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.