Alert archive / Nebraska / Mesoscale Discussions in 2017

Mesoscale Discussion 519

April 19, 201710 counties in Iowa; 12 counties in Kansas; 25 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Apr 19, 2017, 2:29 PM CDT for 10 counties in Iowa; 12 counties in Kansas; 25 counties in Nebraska. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Apr 19, 2017, 2:29 PM CDT (19:29 UTC)
Expired: Apr 19, 2017, 5:00 PM CDT
In force: 3 hr
Issued by: the Storm Prediction Center
Chance of a watch: 95%

All 47 counties

Crawford County, IA, Fremont County, IA, Harrison County, IA, Ida County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, Pottawattamie County, IA, Shelby County, IA, Woodbury County, IA, Clay County, KS, Cloud County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Osborne County, KS, Ottawa County, KS, Republic County, KS, Riley County, KS, Russell County, KS, Washington County, KS, Burt County, NE, Butler County, NE, Cass County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Washington County, NE, York County, NE

The radar

The Omaha radar (KOAX), 90 km from the middle of the area, began a volume at 19:30 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.

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, 3:23 PM CDT	Tornado Watch	SPC	Adair, Adams, Audubon, Carroll, Cass, Crawford and 11 more	7 hr
Apr 19, 5:30 PM CDT	Mesoscale Discussion	SPC	Audubon, Cass, Fremont, Harrison, Mills, Montgomery and 3 more	60 min
Apr 19, 6:55 PM CDT	Mesoscale Discussion	SPC	Boone, Calhoun, Carroll, Cerro Gordo, Crawford, Floyd and 15 more	95 min
Apr 19, 3:49 PM CDT	Severe Thunderstorm Watch	SPC	Barton, Brown, Clay, Cloud, Dickinson, Edwards and 29 more	7 hr

Nearby

Mesoscale Discussions in Nebraska, 2017 Mesoscale Discussions in Kansas, 2017 Mesoscale Discussions in Iowa, 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.