Alert archive / Montana / Mesoscale Discussions in 2025

Mesoscale Discussion 1997

August 20, 20256 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at Aug 20, 2025, 6:02 PM MDT for 6 counties in Montana. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Aug 20, 2025, 6:02 PM MDT (00:02 UTC)
Expired: Aug 20, 2025, 8:30 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch unlikely
Chance of a watch: 20%

Counties Blaine County, MT, Fergus County, MT, Garfield County, MT, Petroleum County, MT, Phillips County, MT, Valley County, MT

The radar

The Glasgow radar (KGGW), 122 km from the middle of the area, began a volume at 00:05 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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Nearby

Mesoscale Discussions in Montana, 2025 Every mesoscale discussion in 2025

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.