Alert archive / Montana / Mesoscale Discussions in 2007

Mesoscale Discussion 844

May 20, 20074 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at May 20, 2007, 10:03 PM MDT for 4 counties in Montana. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued: May 20, 2007, 10:03 PM MDT (04:03 UTC)
Expired: May 20, 2007, 11:30 PM MDT
In force: 87 min
Issued by: the Storm Prediction Center

Counties Custer County, MT, Dawson County, MT, Prairie County, MT, Wibaux County, MT

The radar

The Glasgow radar (KGGW), 190 km from the middle of the area, began a volume at 04:03 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, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 20, 6:48 PM MDT	Mesoscale Discussion	SPC	Big Horn, Carter, Custer, Powder River, Prairie, Rosebud and 2 more	87 min

Nearby

Mesoscale Discussions in Montana, 2007 Every mesoscale discussion in 2007

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.