Alert archive / South Dakota / Mesoscale Discussions in 2014

Mesoscale Discussion 1641

August 30, 2014Carter County, Montana; Bowman County, Slope County, North Dakota; 7 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Aug 30, 2014, 5:49 PM MDT for Carter County, Montana; Bowman County, Slope County, North Dakota; 7 counties in South Dakota. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: Aug 30, 2014, 5:49 PM MDT (23:49 UTC)
Expired: Aug 30, 2014, 7:15 PM MDT
In force: 86 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

Counties Carter County, MT, Bowman County, ND, Slope County, ND, Butte County, SD, Haakon County, SD, Harding County, SD, Meade County, SD, Oglala Lakota County, SD, Pennington County, SD, Perkins County, SD

The radar

The Rapid City radar (KUDX), 135 km from the middle of the area, began a volume at 23:52 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 478Aug 30, 6:30 PM MDT

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 30, 2:12 PM MDT	Mesoscale Discussion	SPC	Carter, Fallon, Powder River, Wibaux	3 hr

Nearby

Mesoscale Discussions in South Dakota, 2014 Mesoscale Discussions in North Dakota, 2014 Mesoscale Discussions in Montana, 2014 Every mesoscale discussion in 2014

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.