Alert archive / Montana / Mesoscale Discussions in 2020

Mesoscale Discussion 1774

November 7, 202011 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at Nov 7, 2020, 7:53 PM MST for 11 counties in Montana. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Nov 7, 2020, 7:53 PM MST (02:53 UTC)
Expired
Nov 8, 2020, 2:00 AM MST
In force
6 hr
Issued by
the Storm Prediction Center
Concerning
Heavy snow

Counties Broadwater County, MT, Cascade County, MT, Chouteau County, MT, Glacier County, MT, Judith Basin County, MT, Lewis and Clark County, MT, Liberty County, MT, Meagher County, MT, Pondera County, MT, Teton County, MT, Toole County, MT

The radar

The Great Falls radar (KTFX), 33 km from the middle of the area, began a volume at 02:53 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
Nov 8, 9:27 AM MSTMesoscale DiscussionSPCBlaine, Fergus, Garfield, Hill, Musselshell, Petroleum and 4 more5 hr

Nearby

Mesoscale Discussions in Montana, 2020Every 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.