Alert archive / Montana / Mesoscale Discussions in 2012

Mesoscale Discussion 1031

June 3, 201212 counties in Montana; 10 counties in Wyoming

The Storm Prediction Center issued this mesoscale discussion at Jun 3, 2012, 1:42 PM MDT for 12 counties in Montana; 10 counties in Wyoming. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 3, 2012, 1:42 PM MDT (19:42 UTC)
Expired: Jun 3, 2012, 3:45 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 5%

All 22 counties

Big Horn County, MT, Carbon County, MT, Gallatin County, MT, Golden Valley County, MT, Madison County, MT, Musselshell County, MT, Park County, MT, Stillwater County, MT, Sweet Grass County, MT, Treasure County, MT, Wheatland County, MT, Yellowstone County, MT, Big Horn County, WY, Campbell County, WY, Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Natrona County, WY, Park County, WY, Sheridan County, WY, Teton County, WY, Washakie County, WY

The radar

The Billings radar (KBLX), 142 km from the middle of the area, began a volume at 19:48 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
Jun 2, 6:08 PM MDT	Mesoscale Discussion	SPC	Big Horn, Carbon, Carter, Custer, Dawson, Fallon and 12 more	97 min
Jun 3, 1:03 PM MDT	Mesoscale Discussion	SPC	Albany, Carbon, Goshen, Laramie, Platte	2 hr

Nearby

Mesoscale Discussions in Montana, 2012 Mesoscale Discussions in Wyoming, 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.