Alert archive / South Dakota / Mesoscale Discussions in 2015

Mesoscale Discussion 1171

June 25, 2015Carter County, Powder River County, Montana; 7 counties in South Dakota; 5 counties in Wyoming

The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2015, 6:46 AM MDT for Carter County, Powder River County, Montana; 7 counties in South Dakota; 5 counties in Wyoming. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued
Jun 25, 2015, 6:46 AM MDT (12:46 UTC)
Expired
Jun 25, 2015, 8:15 AM MDT
In force
89 min
Issued by
the Storm Prediction Center
Chance of a watch
40%

Counties Carter County, MT, Powder River County, MT, Butte County, SD, Custer County, SD, Fall River County, SD, Harding County, SD, Lawrence County, SD, Meade County, SD, Pennington County, SD, Campbell County, WY, Crook County, WY, Johnson County, WY, Sheridan County, WY, Weston County, WY

The radar

The Rapid City radar (KUDX), 157 km from the middle of the area, began a volume at 12:49 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, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 24, 6:13 PM MDTMesoscale DiscussionSPCCuster, Fall River, Pennington2 hr
Jun 25, 12:57 AM MDTMesoscale DiscussionSPCBennett, Custer, Fall River, Oglala Lakota93 min
Jun 25, 2:10 PM MDTMesoscale DiscussionSPCCuster, Fall River, Oglala Lakota65 min
Jun 25, 10:58 AM MDTMesoscale DiscussionSPCGoshen, Laramie, Niobrara, Platte2 hr
Jun 25, 2:30 PM MDTSevere Thunderstorm WatchSPCAlbany, Converse, Goshen, Laramie, Niobrara, Platte8 hr

Nearby

Mesoscale Discussions in South Dakota, 2015Mesoscale Discussions in Wyoming, 2015Mesoscale Discussions in Montana, 2015Every 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.