Alert archive / South Dakota / Mesoscale Discussions in 2009

Mesoscale Discussion 333

March 30, 20099 counties in North Dakota; 13 counties in South Dakota; Crook County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at Mar 30, 2009, 5:36 AM MDT for 9 counties in North Dakota; 13 counties in South Dakota; Crook County, Wyoming. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued: Mar 30, 2009, 5:36 AM MDT (11:36 UTC)
Expired: Mar 30, 2009, 9:30 AM MDT
In force: 4 hr
Issued by: the Storm Prediction Center

All 23 counties

Adams County, ND, Emmons County, ND, Grant County, ND, Hettinger County, ND, Logan County, ND, McIntosh County, ND, Morton County, ND, Oliver County, ND, Sioux County, ND, Butte County, SD, Campbell County, SD, Corson County, SD, Custer County, SD, Dewey County, SD, Haakon County, SD, Lawrence County, SD, McPherson County, SD, Meade County, SD, Pennington County, SD, Perkins County, SD, Walworth County, SD, Ziebach County, SD, Crook County, WY

The radar

The Rapid City radar (KUDX), 135 km from the middle of the area, began a volume at 11:36 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
Mar 29, 9:05 PM MDT	Mesoscale Discussion	SPC	Adams, Bowman, Burleigh, Dickey, Emmons, Grant and 11 more	6 hr
Mar 30, 2:20 PM MDT	Mesoscale Discussion	SPC	Dickey, Emmons, LaMoure, Logan, McIntosh, Sargent	6 hr
Mar 29, 9:03 PM MDT	Mesoscale Discussion	SPC	Big Horn, Fremont, Hot Springs, Johnson, Sheridan, Washakie	6 hr

Nearby

Mesoscale Discussions in South Dakota, 2009 Mesoscale Discussions in North Dakota, 2009 Mesoscale Discussions in Wyoming, 2009 Every mesoscale discussion in 2009

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.