Alert archive / North Dakota / Mesoscale Discussions in 2018

Mesoscale Discussion 1027

July 9, 2018Richland County, Roosevelt County, Sheridan County, Montana; 11 counties in North Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 9, 2018, 7:59 PM MDT for Richland County, Roosevelt County, Sheridan County, Montana; 11 counties in North Dakota. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued
Jul 9, 2018, 7:59 PM MDT (01:59 UTC)
Expired
Jul 9, 2018, 9:30 PM MDT
In force
91 min
Issued by
the Storm Prediction Center

Counties Richland County, MT, Roosevelt County, MT, Sheridan County, MT, Burke County, ND, Divide County, ND, Dunn County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Mountrail County, ND, Oliver County, ND, Renville County, ND, Ward County, ND, Williams County, ND

The radar

The Minot AFB radar (KMBX), 166 km from the middle of the area, began a volume at 02:00 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
Jul 9, 6:01 PM MDTSevere Thunderstorm WatchSPCRichland, Roosevelt, Sheridan8 hr
Jul 9, 6:22 PM MDTMesoscale DiscussionSPCPowder River113 min
Jul 9, 9:24 PM MDTMesoscale DiscussionSPCRoosevelt, Sheridan96 min
Jul 10, 1:50 PM MDTMesoscale DiscussionSPCBlaine, Chouteau, Custer, Daniels, Dawson, Fergus and 18 more115 min
Jul 10, 2:14 PM MDTSevere Thunderstorm WatchSPCBlaine, Broadwater, Cascade, Chouteau, Daniels, Fergus and 21 more7 hr
Jul 10, 4:28 PM MDTMesoscale DiscussionSPCBlaine, Garfield, Golden Valley, Musselshell, Petroleum, Phillips and 2 more2 hr

Nearby

Mesoscale Discussions in North Dakota, 2018Mesoscale Discussions in Montana, 2018Every 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.