Alert archive / Wyoming / Mesoscale Discussions in 2014

Mesoscale Discussion 942

June 10, 20145 counties in Montana; Butte County, Harding County, Lawrence County, South Dakota; 10 counties in Wyoming

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2014, 1:29 PM MDT for 5 counties in Montana; Butte County, Harding County, Lawrence County, South Dakota; 10 counties in Wyoming. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 10, 2014, 1:29 PM MDT (19:29 UTC)
Expired: Jun 10, 2014, 3:30 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 60%

Counties Big Horn County, MT, Carbon County, MT, Carter County, MT, Powder River County, MT, Stillwater County, MT, Butte County, SD, Harding County, SD, Lawrence County, SD, Big Horn County, WY, Campbell County, WY, Crook County, WY, Hot Springs County, WY, Johnson County, WY, Park County, WY, Sheridan County, WY, Teton County, WY, Washakie County, WY, Weston County, WY

The radar

The Billings radar (KBLX), 189 km from the middle of the area, began a volume at 19:30 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 277Jun 10, 2:45 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 10, 2:43 PM MDT	Severe Thunderstorm Watch	SPC	Big Horn, Carter, Powder River, Rosebud, Treasure, Yellowstone	7 hr
Jun 10, 4:54 PM MDT	Mesoscale Discussion	SPC	Big Horn, Carter, Powder River, Rosebud, Treasure	66 min
Jun 10, 2:48 PM MDT	Mesoscale Discussion	SPC	Fall River	57 min

Nearby

Mesoscale Discussions in Wyoming, 2014 Mesoscale Discussions in Montana, 2014 Mesoscale Discussions in South Dakota, 2014 Every mesoscale discussion in 2014

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.