Alert archive / Nebraska / Mesoscale Discussions in 2009

Mesoscale Discussion 1897

August 15, 200924 counties in Nebraska; 21 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Aug 15, 2009, 5:52 PM MDT for 24 counties in Nebraska; 21 counties in South Dakota. It was in force for 53 min.

The area

The outline as issued.

The facts

Issued: Aug 15, 2009, 5:52 PM MDT (23:52 UTC)
Expired: Aug 15, 2009, 6:45 PM MDT
In force: 53 min
Issued by: the Storm Prediction Center

All 45 counties

Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Cherry County, NE, Cheyenne County, NE, Custer County, NE, Deuel County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Holt County, NE, Hooker County, NE, Keith County, NE, Keya Paha County, NE, Kimball County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Morrill County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE, Aurora County, SD, Bennett County, SD, Brule County, SD, Buffalo County, SD, Charles Mix County, SD, Faulk County, SD, Gregory County, SD, Haakon County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jackson County, SD, Jerauld County, SD, Jones County, SD, Lyman County, SD, Mellette County, SD, Oglala Lakota County, SD, Stanley County, SD, Sully County, SD, Todd County, SD, Tripp County, SD

The radar

The North Platte radar (KLNX), 88 km from the middle of the area, began a volume at 23:53 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 707Aug 15, 7:05 PM MDT

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
Aug 14, 6:45 PM MDT	Mesoscale Discussion	SPC	Arthur, Blaine, Brown, Cherry, Custer, Dawson and 16 more	60 min
Aug 15, 1:07 PM MDT	Mesoscale Discussion	SPC	Banner, Box Butte, Cheyenne, Kimball, Morrill, Scotts Bluff and 1 more	53 min
Aug 15, 2:08 PM MDT	Severe Thunderstorm Watch	SPC	Arthur, Banner, Box Butte, Brown, Cherry, Cheyenne and 12 more	8 hr
Aug 15, 4:10 PM MDT	Mesoscale Discussion	SPC	Chase, Dundy, Frontier, Hayes, Hitchcock, Perkins and 1 more	65 min
Aug 14, 7:37 PM MDT	Mesoscale Discussion	SPC	Brown, Day, Marshall, Roberts	53 min

Nearby

Mesoscale Discussions in Nebraska, 2009 Mesoscale Discussions in South Dakota, 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.