Alert archive / South Dakota / Mesoscale Discussions in 2018

Mesoscale Discussion 301

April 30, 201816 counties in Nebraska; 17 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Apr 30, 2018, 8:13 PM CDT for 16 counties in Nebraska; 17 counties in South Dakota. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued: Apr 30, 2018, 8:13 PM CDT (01:13 UTC)
Expired: Apr 30, 2018, 9:45 PM CDT
In force: 92 min
Issued by: the Storm Prediction Center

All 33 counties

Antelope County, NE, Boone County, NE, Cedar County, NE, Custer County, NE, Garfield County, NE, Greeley County, NE, Holt County, NE, Howard County, NE, Knox County, NE, Loup County, NE, Madison County, NE, Pierce County, NE, Sherman County, NE, Valley County, NE, Wayne County, NE, Wheeler County, NE, Bon Homme County, SD, Brookings County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Yankton County, SD

The radar

The North Platte radar (KLNX), 183 km from the middle of the area, began a volume at 01:13 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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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 1, 1:10 PM CDT	Mesoscale Discussion	SPC	Butler, Cass, Clay, Douglas, Fillmore, Gage and 13 more	3 hr
May 1, 2:01 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Kimball	119 min
May 1, 2:47 PM CDT	Tornado Watch	SPC	Adams, Burt, Butler, Cass, Clay, Colfax and 29 more	9 hr
May 1, 5:00 PM CDT	Mesoscale Discussion	SPC	Cass, Clay, Douglas, Fillmore, Gage, Jefferson and 13 more	2 hr

Nearby

Mesoscale Discussions in South Dakota, 2018 Mesoscale Discussions in Nebraska, 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.