Alert archive / Montana / Mesoscale Discussions in 2013

Mesoscale Discussion 1065

June 13, 201314 counties in Montana; 8 counties in Wyoming

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2013, 12:37 PM MDT for 14 counties in Montana; 8 counties in Wyoming. It was in force for 53 min.

The area

The outline as issued.

The facts

Issued: Jun 13, 2013, 12:37 PM MDT (18:37 UTC)
Expired: Jun 13, 2013, 1:30 PM MDT
In force: 53 min
Issued by: the Storm Prediction Center
Chance of a watch: 80%

All 22 counties

Big Horn County, MT, Carbon County, MT, Carter County, MT, Custer County, MT, Dawson County, MT, Fallon County, MT, Garfield County, MT, McCone County, MT, Musselshell County, MT, Powder River County, MT, Prairie County, MT, Rosebud County, MT, Treasure County, MT, Yellowstone County, MT, Big Horn County, WY, Campbell County, WY, Converse County, WY, Crook County, WY, Johnson County, WY, Niobrara County, WY, Sheridan County, WY, Weston County, WY

The radar

The Billings radar (KBLX), 223 km from the middle of the area, began a volume at 18:39 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 309Jun 13, 1:05 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 13, 1:06 PM MDT	Severe Thunderstorm Watch	SPC	Big Horn, Carbon, Custer, Garfield, Golden Valley, McCone and 13 more	12 hr
Jun 13, 4:44 PM MDT	Mesoscale Discussion	SPC	Big Horn, Carbon, Carter, Custer, Dawson, Fallon and 10 more	61 min
Jun 13, 12:14 PM MDT	Mesoscale Discussion	SPC	Fremont, Hot Springs, Natrona, Sublette, Sweetwater, Washakie	2 hr

Nearby

Mesoscale Discussions in Montana, 2013 Mesoscale Discussions in Wyoming, 2013 Every mesoscale discussion in 2013

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.