Alert archive / Montana / Mesoscale Discussions in 2015

Mesoscale Discussion 1067

June 18, 20157 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at Jun 18, 2015, 8:10 PM MDT for 7 counties in Montana. It was in force for 65 min.

The area

The outline as issued.

The facts

Issued: Jun 18, 2015, 8:10 PM MDT (02:10 UTC)
Expired: Jun 18, 2015, 9:15 PM MDT
In force: 65 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

Counties Big Horn County, MT, Carbon County, MT, Powder River County, MT, Rosebud County, MT, Stillwater County, MT, Treasure County, MT, Yellowstone County, MT

The radar

The Billings radar (KBLX), 55 km from the middle of the area, began a volume at 02:09 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 312Jun 18, 11:05 PM MDT

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 18, 11:02 PM MDT	Severe Thunderstorm Watch	SPC	Carter, Powder River	3 hr
Jun 19, 12:53 PM MDT	Mesoscale Discussion	SPC	Blaine, Daniels, Dawson, Fergus, Garfield, McCone and 7 more	2 hr
Jun 19, 2:01 PM MDT	Severe Thunderstorm Watch	SPC	Daniels, Dawson, Garfield, McCone, Prairie, Richland and 4 more	9 hr
Jun 19, 2:04 PM MDT	Mesoscale Discussion	SPC	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more	116 min
Jun 19, 2:51 PM MDT	Tornado Watch	SPC	Big Horn, Carbon, Carter, Custer, Fallon, Musselshell and 5 more	7 hr
Jun 19, 4:48 PM MDT	Mesoscale Discussion	SPC	Dawson, Fallon, McCone, Prairie, Richland, Roosevelt and 2 more	57 min

Nearby

Mesoscale Discussions in Montana, 2015 Every 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.