Alert archive / Montana / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 77, NWS Glasgow, MT

October 30, 20206 counties in Montana

NWS Glasgow, MT issued this severe thunderstorm warning at Oct 30, 2020, 7:08 PM MDT for 6 counties in Montana. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 30, 2020, 7:08 PM MDT (01:08 UTC)
Expired: Oct 30, 2020, 8:00 PM MDT
In force: 52 min
Issued by: NWS Glasgow, MT
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Daniels County, MT, Garfield County, MT, McCone County, MT, Roosevelt County, MT, Sheridan County, MT, Valley County, MT

The radar

The Glasgow radar (KGGW), 65 km from the middle of the area, began a volume at 01:09 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 office that day

Everything else NWS Glasgow, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 30, 7:14 PM MDT	Special Weather Statement	GGW	Garfield, McCone	91 min
Oct 30, 7:43 PM MDT	Severe Thunderstorm Warning	GGW	Daniels, Garfield, McCone, Roosevelt, Sheridan, Valley	38 min
Oct 30, 7:52 PM MDT	Special Weather Statement	GGW	Richland, Roosevelt, Sheridan	53 min
Oct 30, 7:56 PM MDT	Severe Thunderstorm Warning	GGW	Daniels, McCone, Richland, Roosevelt, Sheridan	56 min
Oct 30, 8:28 PM MDT	Special Weather Statement	GGW	Dawson, McCone, Prairie	92 min
Oct 30, 8:56 PM MDT	Special Weather Statement	GGW	Richland, Roosevelt, Sheridan	49 min

Nearby

Severe Thunderstorm Warnings in Montana, 2020 Every severe thunderstorm warning 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.