Alert archive / North Dakota / Mesoscale Discussions in 2020

Mesoscale Discussion 1473

August 12, 2020Richland County, Sheridan County, Wibaux County, Montana; 16 counties in North Dakota

The Storm Prediction Center issued this mesoscale discussion at Aug 12, 2020, 5:16 PM MDT for Richland County, Sheridan County, Wibaux County, Montana; 16 counties in North Dakota. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued: Aug 12, 2020, 5:16 PM MDT (23:16 UTC)
Expired: Aug 12, 2020, 7:15 PM MDT
In force: 119 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch possible
Chance of a watch: 40%

Counties Richland County, MT, Sheridan County, MT, Wibaux County, MT, Billings County, ND, Bottineau County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, McHenry County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Mountrail County, ND, Oliver County, ND, Renville County, ND, Stark County, ND, Ward County, ND, Williams County, ND

The radar

The Minot AFB radar (KMBX), 188 km from the middle of the area, began a volume at 23:19 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
Aug 11, 6:38 PM MDT	Severe Thunderstorm Watch	SPC	Adams, Bowman, Grant, Hettinger, Sioux, Slope	7 hr
Aug 11, 9:03 PM MDT	Mesoscale Discussion	SPC	Adams, Grant, Hettinger, Morton, Sioux	117 min

Nearby

Mesoscale Discussions in North Dakota, 2020 Mesoscale Discussions in Montana, 2020 Every mesoscale discussion in 2020

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.