Alert archive / Montana / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 4, NWS Glasgow, MT

May 10, 2009Dawson County, Montana

NWS Glasgow, MT issued this severe thunderstorm warning at May 10, 2009, 12:21 PM MDT for Dawson County, Montana. It was in force for 9 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
May 10, 2009, 12:21 PM MDT (18:21 UTC)
Expired
May 10, 2009, 12:30 PM MDT
In force
9 min
Issued by
NWS Glasgow, MT
Area
Storm-based polygon

County Dawson County, MT

The radar

The Glasgow radar (KGGW), 166 km from the middle of the area, began a volume at 18:23 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.

IssuedProductOfficeCountiesLasted
May 10, 12:42 PM MDTSevere Thunderstorm WarningGGWDawson33 min
May 10, 12:57 PM MDTSevere Thunderstorm WarningGGWPetroleum, Phillips48 min
May 10, 2:42 PM MDTSevere Thunderstorm WarningGGWRoosevelt23 min

Nearby

Severe Thunderstorm Warnings in Montana, 2009Every severe thunderstorm warning in 2009

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.