Alert archive / Minnesota / Mesoscale Discussions in 2015

Mesoscale Discussion 1666

August 12, 201516 counties in Minnesota; 7 counties in North Dakota

The Storm Prediction Center issued this mesoscale discussion at Aug 12, 2015, 1:52 PM CDT for 16 counties in Minnesota; 7 counties in North Dakota. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: Aug 12, 2015, 1:52 PM CDT (18:52 UTC)
Expired: Aug 12, 2015, 3:45 PM CDT
In force: 113 min
Issued by: the Storm Prediction Center
Chance of a watch: 60%

All 23 counties

Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Hubbard County, MN, Kittson County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Wadena County, MN, Wilkin County, MN, Cass County, ND, Grand Forks County, ND, Nelson County, ND, Pembina County, ND, Steele County, ND, Traill County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 66 km from the middle of the area, began a volume at 18:52 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 485Aug 12, 3:35 PM CDT

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
Aug 12, 3:33 PM CDT	Severe Thunderstorm Watch	SPC	Becker, Beltrami, Cass, Clearwater, Crow Wing, Hubbard and 12 more	9 hr
Aug 12, 5:41 PM CDT	Mesoscale Discussion	SPC	Becker, Beltrami, Cass, Clearwater, Crow Wing, Hubbard and 12 more	2 hr
Aug 12, 6:51 PM CDT	Mesoscale Discussion	SPC	Benton, Meeker, Mille Lacs, Morrison, Sherburne, Stearns and 2 more	54 min
Aug 12, 4:46 PM CDT	Mesoscale Discussion	SPC	Adams, Billings, Bowman, Golden Valley, Hettinger, Slope and 1 more	59 min

Nearby

Mesoscale Discussions in Minnesota, 2015 Mesoscale Discussions in North Dakota, 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.