Alert archive / Wyoming / Mesoscale Discussions in 2025

Mesoscale Discussion 1849

July 30, 20254 counties in Montana; 10 counties in Wyoming

The Storm Prediction Center issued this mesoscale discussion at Jul 30, 2025, 2:31 PM MDT for 4 counties in Montana; 10 counties in Wyoming. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued
Jul 30, 2025, 2:31 PM MDT (20:31 UTC)
Expired
Jul 30, 2025, 4:30 PM MDT
In force
119 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch unlikely
Chance of a watch
20%

Counties Big Horn County, MT, Carbon County, MT, Stillwater County, MT, Yellowstone County, MT, Albany County, WY, Big Horn County, WY, Carbon County, WY, Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Natrona County, WY, Park County, WY, Sheridan County, WY, Washakie County, WY

The radar

The Riverton/Lander radar (KRIW), 82 km from the middle of the area, began a volume at 20:34 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.

IssuedProductOfficeCountiesLasted
Jul 29, 6:08 PM MDTSevere Thunderstorm WatchSPCAlbany, Campbell, Converse, Crook, Goshen, Laramie and 3 more6 hr
Jul 29, 8:43 PM MDTMesoscale DiscussionSPCCrook, Weston2 hr
Jul 30, 5:04 PM MDTMesoscale DiscussionSPCConverse, Fremont, Hot Springs, Johnson, Natrona, Platte and 1 more2 hr

Nearby

Mesoscale Discussions in Wyoming, 2025Mesoscale Discussions in Montana, 2025Every mesoscale discussion in 2025

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.