Alert archive / Iowa / Mesoscale Discussions in 2013

Mesoscale Discussion 1898

September 19, 201339 counties in Iowa; 7 counties in Missouri; 12 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Sep 19, 2013, 1:19 PM CDT for 39 counties in Iowa; 7 counties in Missouri; 12 counties in Nebraska. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: Sep 19, 2013, 1:19 PM CDT (18:19 UTC)
Expired: Sep 19, 2013, 2:45 PM CDT
In force: 86 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

All 58 counties

Adair County, IA, Adams County, IA, Audubon County, IA, Boone County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Clarke County, IA, Crawford County, IA, Dallas County, IA, Decatur County, IA, Franklin County, IA, Fremont County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hardin County, IA, Harrison County, IA, Jasper County, IA, Lucas County, IA, Madison County, IA, Marion County, IA, Marshall County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Polk County, IA, Pottawattamie County, IA, Ringgold County, IA, Shelby County, IA, Story County, IA, Taylor County, IA, Union County, IA, Warren County, IA, Wayne County, IA, Webster County, IA, Wright County, IA, Atchison County, MO, Gentry County, MO, Harrison County, MO, Holt County, MO, Mercer County, MO, Nodaway County, MO, Worth County, MO, Cass County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE

The radar

The Omaha radar (KOAX), 102 km from the middle of the area, began a volume at 18:19 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 530Sep 19, 2:45 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
Sep 19, 2:43 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Adams, Appanoose, Cass, Clarke, Dallas and 22 more	4 hr
Sep 19, 4:29 PM CDT	Mesoscale Discussion	SPC	Appanoose, Benton, Buchanan, Cedar, Clarke, Clinton and 31 more	91 min
Sep 19, 4:40 PM CDT	Severe Thunderstorm Watch	SPC	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	6 hr

Nearby

Mesoscale Discussions in Iowa, 2013 Mesoscale Discussions in Nebraska, 2013 Mesoscale Discussions in Missouri, 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.