Alert archive / Minnesota / Mesoscale Discussions in 2017

Mesoscale Discussion 1777

December 4, 201713 counties in Minnesota; Cass County, Richland County, Traill County, North Dakota; Grant County, Roberts County, South Dakota

The Storm Prediction Center issued this mesoscale discussion at Dec 4, 2017, 12:11 PM CST for 13 counties in Minnesota; Cass County, Richland County, Traill County, North Dakota; Grant County, Roberts County, South Dakota. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Dec 4, 2017, 12:11 PM CST (18:11 UTC)
Expired
Dec 4, 2017, 4:15 PM CST
In force
4 hr
Issued by
the Storm Prediction Center

Counties Becker County, MN, Clay County, MN, Clearwater County, MN, Kittson County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Traverse County, MN, Wilkin County, MN, Cass County, ND, Richland County, ND, Traill County, ND, Grant County, SD, Roberts County, SD

The radar

The Fargo/Grand Forks radar (KMVX), 83 km from the middle of the area, began a volume at 18:09 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.

IssuedProductOfficeCountiesLasted
Dec 4, 3:54 PM CSTMesoscale DiscussionSPCBig Stone, Clay, Kittson, Mahnomen, Marshall, Norman and 6 more4 hr

Nearby

Mesoscale Discussions in Minnesota, 2017Mesoscale Discussions in North Dakota, 2017Mesoscale Discussions in South Dakota, 2017Every 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.