Alert archive / South Dakota / Mesoscale Discussions in 2012

Mesoscale Discussion 1522

July 20, 2012Dawes County, Sheridan County, Nebraska; 14 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 20, 2012, 3:21 PM MDT for Dawes County, Sheridan County, Nebraska; 14 counties in South Dakota. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Jul 20, 2012, 3:21 PM MDT (21:21 UTC)
Expired: Jul 20, 2012, 4:45 PM MDT
In force: 84 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

Counties Dawes County, NE, Sheridan County, NE, Bennett County, SD, Custer County, SD, Dewey County, SD, Fall River County, SD, Haakon County, SD, Jackson County, SD, Jones County, SD, Meade County, SD, Mellette County, SD, Oglala Lakota County, SD, Pennington County, SD, Stanley County, SD, Todd County, SD, Ziebach County, SD

The radar

The Rapid City radar (KUDX), 78 km from the middle of the area, began a volume at 21:24 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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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.