Alert archive / Montana / Mesoscale Discussions in 2015

Mesoscale Discussion 1064

June 18, 201519 counties in Montana; Sheridan County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at Jun 18, 2015, 3:57 PM MDT for 19 counties in Montana; Sheridan County, Wyoming. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Jun 18, 2015, 3:57 PM MDT (21:57 UTC)
Expired
Jun 18, 2015, 6:30 PM MDT
In force
3 hr
Issued by
the Storm Prediction Center
Chance of a watch
60%

Counties Big Horn County, MT, Broadwater County, MT, Carbon County, MT, Cascade County, MT, Chouteau County, MT, Fergus County, MT, Gallatin County, MT, Golden Valley County, MT, Hill County, MT, Judith Basin County, MT, Liberty County, MT, Meagher County, MT, Musselshell County, MT, Park County, MT, Stillwater County, MT, Sweet Grass County, MT, Toole County, MT, Wheatland County, MT, Yellowstone County, MT, Sheridan County, WY

The radar

The Billings radar (KBLX), 29 km from the middle of the area, began a volume at 21:56 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.

IssuedProductOfficeCountiesLasted
Jun 17, 6:44 PM MDTMesoscale DiscussionSPCCarter, Powder River61 min
Jun 17, 10:37 PM MDTMesoscale DiscussionSPCNiobrara, Weston53 min

Nearby

Mesoscale Discussions in Montana, 2015Mesoscale Discussions in Wyoming, 2015Every mesoscale discussion in 2015

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.