Alert archive / Nebraska / Mesoscale Discussions in 2017

Mesoscale Discussion 1684

October 2, 201716 counties in Iowa; 4 counties in Minnesota; 19 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Oct 2, 2017, 6:40 PM CDT for 16 counties in Iowa; 4 counties in Minnesota; 19 counties in Nebraska. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Oct 2, 2017, 6:40 PM CDT (23:40 UTC)
Expired: Oct 2, 2017, 9:15 PM CDT
In force: 3 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

All 39 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dickinson County, IA, Emmet County, IA, Harrison County, IA, Ida County, IA, Kossuth County, IA, Monona County, IA, O'Brien County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Sac County, IA, Woodbury County, IA, Faribault County, MN, Jackson County, MN, Martin County, MN, Watonwan County, MN, Burt County, NE, Butler County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dodge County, NE, Douglas County, NE, Hall County, NE, Hamilton County, NE, Merrick County, NE, Platte County, NE, Polk County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, York County, NE

The radar

The Omaha radar (KOAX), 49 km from the middle of the area, began a volume at 23:41 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 493Oct 2, 8:00 PM CDT

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
Oct 1, 8:14 PM CDT	Mesoscale Discussion	SPC	Adams, Antelope, Boone, Buffalo, Clay, Custer and 32 more	2 hr
Oct 1, 10:54 PM CDT	Mesoscale Discussion	SPC	Adams, Butler, Clay, Colfax, Fillmore, Franklin and 11 more	2 hr

Nearby

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