Alert archive / South Dakota / Mesoscale Discussions in 2011

Mesoscale Discussion 2340

November 18, 20119 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Nov 18, 2011, 10:43 PM MST for 9 counties in South Dakota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Nov 18, 2011, 10:43 PM MST (05:43 UTC)
Expired: Nov 19, 2011, 3:15 AM MST
In force: 5 hr
Issued by: the Storm Prediction Center

Counties Haakon County, SD, Hughes County, SD, Hyde County, SD, Lawrence County, SD, Meade County, SD, Pennington County, SD, Potter County, SD, Stanley County, SD, Sully County, SD

The radar

The Rapid City radar (KUDX), 51 km from the middle of the area, began a volume at 05:45 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
Nov 19, 5:11 AM MST	Mesoscale Discussion	SPC	Beadle, Brown, Clark, Codington, Day, Deuel and 13 more	4 hr

Nearby

Mesoscale Discussions in South Dakota, 2011 Every mesoscale discussion in 2011

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.