Alert archive / South Dakota / Mesoscale Discussions in 2017

Mesoscale Discussion 1567

August 25, 2017Carter County, Fallon County, Montana; 4 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Aug 25, 2017, 2:46 PM MDT for Carter County, Fallon County, Montana; 4 counties in South Dakota. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued: Aug 25, 2017, 2:46 PM MDT (20:46 UTC)
Expired: Aug 25, 2017, 4:15 PM MDT
In force: 89 min
Issued by: the Storm Prediction Center
Chance of a watch: 5%

Counties Carter County, MT, Fallon County, MT, Butte County, SD, Custer County, SD, Lawrence County, SD, Oglala Lakota County, SD

The radar

The Rapid City radar (KUDX), 91 km from the middle of the area, began a volume at 20:49 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.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 25, 1:57 PM MDT	Mesoscale Discussion	SPC	Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 23 more	3 hr
Aug 25, 2:38 PM MDT	Severe Thunderstorm Watch	SPC	Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 23 more	7 hr
Aug 25, 4:58 PM MDT	Mesoscale Discussion	SPC	Aurora, Beadle, Bon Homme, Brule, Buffalo, Charles Mix and 20 more	2 hr

Nearby

Mesoscale Discussions in South Dakota, 2017 Mesoscale Discussions in Montana, 2017 Every mesoscale discussion in 2017

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.