Alert archive / South Dakota / Mesoscale Discussions in 2015

Mesoscale Discussion 2017

December 15, 20154 counties in Nebraska; 8 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Dec 15, 2015, 10:48 AM MST for 4 counties in Nebraska; 8 counties in South Dakota. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued: Dec 15, 2015, 10:48 AM MST (17:48 UTC)
Expired: Dec 15, 2015, 2:45 PM MST
In force: 4 hr
Issued by: the Storm Prediction Center

Counties Cherry County, NE, Grant County, NE, Keya Paha County, NE, Sheridan County, NE, Bennett County, SD, Brule County, SD, Buffalo County, SD, Gregory County, SD, Lyman County, SD, Mellette County, SD, Todd County, SD, Tripp County, SD

The radar

The North Platte radar (KLNX), 133 km from the middle of the area, began a volume at 17:51 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
Dec 15, 2:55 AM MST	Mesoscale Discussion	SPC	Banner, Cheyenne, Kimball	4 hr
Dec 15, 3:55 PM MST	Mesoscale Discussion	SPC	Brown, Campbell, Clark, Codington, Day, Dewey and 14 more	6 hr

Nearby

Mesoscale Discussions in South Dakota, 2015 Mesoscale Discussions in Nebraska, 2015 Every mesoscale discussion in 2015

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.