Alert archive / Iowa / Mesoscale Discussions in 2013

Mesoscale Discussion 1928

October 4, 2013Carroll County, Jo Daviess County, Illinois; 6 counties in Iowa

The Storm Prediction Center issued this mesoscale discussion at Oct 4, 2013, 4:35 AM CDT for Carroll County, Jo Daviess County, Illinois; 6 counties in Iowa. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued: Oct 4, 2013, 4:35 AM CDT (09:35 UTC)
Expired: Oct 4, 2013, 6:00 AM CDT
In force: 85 min
Issued by: the Storm Prediction Center

Counties Benton County, IA, Cedar County, IA, Clinton County, IA, Jackson County, IA, Jones County, IA, Linn County, IA, Carroll County, IL, Jo Daviess County, IL

The radar

The Quad Cities radar (KDVN), 87 km from the middle of the area, began a volume at 09:38 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
Oct 3, 9:15 PM CDT	Mesoscale Discussion	SPC	Boone, McHenry	90 min
Oct 4, 9:03 AM CDT	Mesoscale Discussion	SPC	Bureau, Henderson, Henry, Knox, Mercer, Putnam and 4 more	87 min
Oct 3, 7:32 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Cass, Clarke, Dallas and 23 more	2 hr
Oct 3, 8:16 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 49 more	9 hr
Oct 3, 9:13 PM CDT	Tornado Watch	SPC	Fremont, Mills, Montgomery, Page, Pottawattamie	5 hr
Oct 3, 11:42 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Boone and 41 more	93 min
Oct 4, 2:06 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 70 more	84 min
Oct 4, 1:28 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 36 more	2 hr
Oct 4, 2:38 PM CDT	Tornado Watch	SPC	Buena Vista, Cherokee, Clay, Dickinson, Fremont, Harrison and 12 more	7 hr
Oct 4, 5:20 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Buena Vista, Carroll, Cass and 20 more	85 min
Oct 4, 6:42 PM CDT	Tornado Watch	SPC	Adair, Adams, Audubon, Boone, Calhoun, Carroll and 29 more	5 hr

Nearby

Mesoscale Discussions in Iowa, 2013 Mesoscale Discussions in Illinois, 2013 Every mesoscale discussion in 2013

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.