Alert archive / Nebraska / Mesoscale Discussions in 2011

Mesoscale Discussion 1912

August 9, 201112 counties in Nebraska; Custer County, Fall River County, Oglala Lakota County, South Dakota; Niobrara County, Wyoming

The Storm Prediction Center issued this mesoscale discussion at Aug 9, 2011, 9:25 AM MDT for 12 counties in Nebraska; Custer County, Fall River County, Oglala Lakota County, South Dakota; Niobrara County, Wyoming. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued
Aug 9, 2011, 9:25 AM MDT (15:25 UTC)
Expired
Aug 9, 2011, 11:00 AM MDT
In force
95 min
Issued by
the Storm Prediction Center

Counties Arthur County, NE, Box Butte County, NE, Cherry County, NE, Dawes County, NE, Garden County, NE, Grant County, NE, Hooker County, NE, McPherson County, NE, Morrill County, NE, Sheridan County, NE, Sioux County, NE, Thomas County, NE, Custer County, SD, Fall River County, SD, Oglala Lakota County, SD, Niobrara County, WY

The radar

The Rapid City radar (KUDX), 160 km from the middle of the area, began a volume at 15:25 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.

IssuedProductOfficeCountiesLasted
Aug 9, 12:47 PM MDTMesoscale DiscussionSPCBanner, Chase, Cheyenne, Deuel, Dundy, Kimball and 3 more118 min
Aug 9, 1:51 PM MDTTornado WatchSPCArthur, Banner, Chase, Cheyenne, Deuel, Dundy and 11 more7 hr
Aug 9, 5:02 PM MDTMesoscale DiscussionSPCArthur, Banner, Box Butte, Chase, Cheyenne, Dawes and 13 more118 min

Nearby

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