Alert archive / Montana / Mesoscale Discussions in 2018

Mesoscale Discussion 293

April 29, 20184 counties in Montana; Sheridan County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at Apr 29, 2018, 12:40 PM MDT for 4 counties in Montana; Sheridan County, Wyoming. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Apr 29, 2018, 12:40 PM MDT (18:40 UTC)
Expired: Apr 29, 2018, 3:15 PM MDT
In force: 3 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties Big Horn County, MT, Carter County, MT, Powder River County, MT, Rosebud County, MT, Sheridan County, WY

The radar

The Billings radar (KBLX), 188 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 text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 29, 5:06 PM MDT	Mesoscale Discussion	SPC	Carter, Custer, Dawson, Fallon, Powder River, Prairie and 1 more	2 hr

Nearby

Mesoscale Discussions in Montana, 2018 Mesoscale Discussions in Wyoming, 2018 Every mesoscale discussion in 2018

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.