Alert archive / South Dakota / Mesoscale Discussions in 2011

Mesoscale Discussion 1765

July 27, 20115 counties in South Dakota; Campbell County, Crook County, Weston County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at Jul 27, 2011, 2:49 PM MDT for 5 counties in South Dakota; Campbell County, Crook County, Weston County, Wyoming. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: Jul 27, 2011, 2:49 PM MDT (20:49 UTC)
Expired: Jul 27, 2011, 4:15 PM MDT
In force: 86 min
Issued by: the Storm Prediction Center

Counties Custer County, SD, Fall River County, SD, Lawrence County, SD, Oglala Lakota County, SD, Pennington County, SD, Campbell County, WY, Crook County, WY, Weston County, WY

The radar

The Rapid City radar (KUDX), 152 km from the middle of the area, began a volume at 20:52 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 26, 6:24 PM MDT	Mesoscale Discussion	SPC	Day, Grant, Marshall, Roberts	36 min
Jul 26, 6:32 PM MDT	Tornado Watch	SPC	Clark, Codington, Day, Deuel, Grant, Hamlin and 2 more	5 hr
Jul 26, 7:10 PM MDT	Mesoscale Discussion	SPC	Beadle, Brown, Clark, Codington, Day, Deuel and 6 more	95 min
Jul 26, 7:17 PM MDT	Severe Thunderstorm Watch	SPC	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 14 more	8 hr
Jul 26, 8:53 PM MDT	Mesoscale Discussion	SPC	Brookings, Lake, Moody	67 min

Nearby

Mesoscale Discussions in South Dakota, 2011 Mesoscale Discussions in Wyoming, 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.