Alert archive / Montana / Mesoscale Discussions in 2020

Mesoscale Discussion 1775

November 8, 202010 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at Nov 8, 2020, 9:27 AM MST for 10 counties in Montana. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Nov 8, 2020, 9:27 AM MST (16:27 UTC)
Expired: Nov 8, 2020, 2:30 PM MST
In force: 5 hr
Issued by: the Storm Prediction Center
Concerning: Heavy snow

Counties Blaine County, MT, Fergus County, MT, Garfield County, MT, Hill County, MT, Musselshell County, MT, Petroleum County, MT, Phillips County, MT, Prairie County, MT, Rosebud County, MT, Treasure County, MT

The radar

The Glasgow radar (KGGW), 151 km from the middle of the area, began a volume at 16:30 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
Nov 7, 7:53 PM MST	Mesoscale Discussion	SPC	Broadwater, Cascade, Chouteau, Glacier, Judith Basin, Lewis and Clark and 5 more	6 hr

Nearby

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.