Alert archive / South Dakota / Mesoscale Discussions in 2007

Mesoscale Discussion 858

May 22, 2007Brown County, Cherry County, Keya Paha County, Nebraska; 25 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at May 22, 2007, 2:08 PM CDT for Brown County, Cherry County, Keya Paha County, Nebraska; 25 counties in South Dakota. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 22, 2007, 2:08 PM CDT (19:08 UTC)
Expired: May 22, 2007, 4:15 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 28 counties

Brown County, NE, Cherry County, NE, Keya Paha County, NE, Aurora County, SD, Beadle County, SD, Bennett County, SD, Brule County, SD, Buffalo County, SD, Charles Mix County, SD, Douglas County, SD, Edmunds County, SD, Faulk County, SD, Gregory 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, Potter County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Todd County, SD, Tripp County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 207 km from the middle of the area, began a volume at 19:10 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 287May 22, 2:25 PM CDT

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
May 22, 2:25 PM CDT	Severe Thunderstorm Watch	SPC	Blaine, Boyd, Brown, Cherry, Garfield, Holt and 8 more	8 hr
May 22, 2:26 PM CDT	Mesoscale Discussion	SPC	Adams, Blaine, Buffalo, Custer, Dawson, Franklin and 17 more	2 hr
May 22, 3:04 PM CDT	Tornado Watch	SPC	Adams, Buffalo, Custer, Dawson, Dundy, Franklin and 16 more	8 hr
May 22, 6:36 PM CDT	Mesoscale Discussion	SPC	Buffalo, Custer, Dawson, Franklin, Frontier, Furnas and 7 more	84 min
May 21, 9:59 PM CDT	Mesoscale Discussion	SPC	Campbell, Edmunds, Hughes, Hyde, Jones, Lyman and 5 more	61 min

Nearby

Mesoscale Discussions in South Dakota, 2007 Mesoscale Discussions in Nebraska, 2007 Every mesoscale discussion in 2007

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.