Alert archive / South Dakota / Mesoscale Discussions in 2011

Mesoscale Discussion 1554

July 9, 201121 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 9, 2011, 6:09 PM CDT for 21 counties in South Dakota. It was in force for 66 min.

The area

The outline as issued.

The facts

Issued: Jul 9, 2011, 6:09 PM CDT (23:09 UTC)
Expired: Jul 9, 2011, 7:15 PM CDT
In force: 66 min
Issued by: the Storm Prediction Center

All 21 counties

Aurora County, SD, Beadle County, SD, Brown County, SD, Brule County, SD, Buffalo County, SD, Charles Mix County, SD, Davison County, SD, Douglas County, SD, Edmunds County, SD, Faulk County, SD, Gregory County, SD, Hand County, SD, Hanson County, SD, Hughes County, SD, Hyde County, SD, Jerauld County, SD, Lyman County, SD, Sanborn County, SD, Spink County, SD, Sully County, SD, Tripp County, SD

The radar

The Aberdeen radar (KABR), 146 km from the middle of the area, began a volume at 23:12 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 8, 8:57 PM CDT	Mesoscale Discussion	SPC	Bennett, Corson, Dewey, Haakon, Jackson	63 min
Jul 8, 10:37 PM CDT	Mesoscale Discussion	SPC	Marshall, Roberts	83 min
Jul 8, 11:20 PM CDT	Mesoscale Discussion	SPC	Beadle, Brule, Buffalo, Hand, Hughes, Hyde and 2 more	85 min

Nearby

Mesoscale Discussions in South Dakota, 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.