Alert archive / Montana / Mesoscale Discussions in 2012

Mesoscale Discussion 1755

August 13, 20128 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at Aug 13, 2012, 4:10 PM MDT for 8 counties in Montana. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Aug 13, 2012, 4:10 PM MDT (22:10 UTC)
Expired: Aug 13, 2012, 6:15 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties Big Horn County, MT, Carter County, MT, Custer County, MT, Fallon County, MT, Powder River County, MT, Prairie County, MT, Rosebud County, MT, Treasure County, MT

The radar

The Billings radar (KBLX), 191 km from the middle of the area, began a volume at 22:10 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
Aug 13, 11:53 AM MDT	Mesoscale Discussion	SPC	Carter, Custer, Dawson, Fallon, Garfield, McCone and 9 more	2 hr

Nearby

Mesoscale Discussions in Montana, 2012 Every mesoscale discussion in 2012

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.