Alert archive / Montana / Mesoscale Discussions in 2009

Mesoscale Discussion 2012

September 13, 200914 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at Sep 13, 2009, 6:29 PM MDT for 14 counties in Montana. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued: Sep 13, 2009, 6:29 PM MDT (00:29 UTC)
Expired: Sep 13, 2009, 8:00 PM MDT
In force: 91 min
Issued by: the Storm Prediction Center

Counties Custer County, MT, Daniels County, MT, Dawson County, MT, Fallon County, MT, Garfield County, MT, McCone County, MT, Phillips County, MT, Prairie County, MT, Richland County, MT, Roosevelt County, MT, Rosebud County, MT, Sheridan County, MT, Valley County, MT, Wibaux County, MT

The radar

The Glasgow radar (KGGW), 163 km from the middle of the area, began a volume at 00:31 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
Sep 13, 9:52 PM MDT	Mesoscale Discussion	SPC	Daniels, Dawson, McCone, Richland, Roosevelt, Sheridan	53 min

Nearby

Mesoscale Discussions in Montana, 2009 Every mesoscale discussion 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.