Alert archive / South Dakota / Mesoscale Discussions in 2015

Mesoscale Discussion 1649

August 8, 2015Powder River County, Montana; 7 counties in South Dakota; Campbell County, Crook County, Weston County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at Aug 8, 2015, 7:07 PM MDT for Powder River County, Montana; 7 counties in South Dakota; Campbell County, Crook County, Weston County, Wyoming. It was in force for 53 min.

The area

The outline as issued.

The facts

Issued: Aug 8, 2015, 7:07 PM MDT (01:07 UTC)
Expired: Aug 8, 2015, 8:00 PM MDT
In force: 53 min
Issued by: the Storm Prediction Center

Counties Powder River County, MT, Butte County, SD, Custer County, SD, Haakon County, SD, Jackson County, SD, Lawrence County, SD, Meade County, SD, Pennington County, SD, Campbell County, WY, Crook County, WY, Weston County, WY

The radar

The Rapid City radar (KUDX), 109 km from the middle of the area, began a volume at 01:07 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.

Issued	Product	Office	Counties	Lasted
Aug 9, 12:05 PM MDT	Mesoscale Discussion	SPC	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 20 more	115 min
Aug 9, 12:42 PM MDT	Severe Thunderstorm Watch	SPC	Aurora, Beadle, Bon Homme, Brookings, Brown, Brule and 39 more	9 hr
Aug 9, 3:03 PM MDT	Mesoscale Discussion	SPC	Aurora, Beadle, Bon Homme, Brookings, Brown, Brule and 39 more	117 min

Nearby

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