Alert archive / South Dakota / Mesoscale Discussions in 2012

Mesoscale Discussion 1412

July 5, 2012Cedar County, Knox County, Nebraska; Clay County, Union County, Yankton County, South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 5, 2012, 5:52 PM CDT for Cedar County, Knox County, Nebraska; Clay County, Union County, Yankton County, South Dakota. It was in force for 53 min.

The area

The outline as issued.

The facts

Issued: Jul 5, 2012, 5:52 PM CDT (22:52 UTC)
Expired: Jul 5, 2012, 6:45 PM CDT
In force: 53 min
Issued by: the Storm Prediction Center
Chance of a watch: 5%

Counties Cedar County, NE, Knox County, NE, Clay County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 110 km from the middle of the area, began a volume at 22:52 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 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
Jul 5, 5:10 PM CDT	Severe Thunderstorm Watch	SPC	Box Butte, Dawes, Sioux	8 hr
Jul 5, 3:40 PM CDT	Mesoscale Discussion	SPC	Lawrence	95 min
Jul 5, 6:37 PM CDT	Mesoscale Discussion	SPC	Butte, Harding, Lawrence, Meade, Pennington, Perkins	53 min
Jul 5, 6:55 PM CDT	Tornado Watch	SPC	Bennett, Butte, Custer, Fall River, Haakon, Harding and 6 more	6 hr

Nearby

Mesoscale Discussions in South Dakota, 2012 Mesoscale Discussions in Nebraska, 2012 Every mesoscale discussion in 2012

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.