Alert archive / South Dakota / Mesoscale Discussions in 2009

Mesoscale Discussion 704

May 4, 20097 counties in Nebraska; 14 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at May 4, 2009, 6:21 PM CDT for 7 counties in Nebraska; 14 counties in South Dakota. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: May 4, 2009, 6:21 PM CDT (23:21 UTC)
Expired: May 4, 2009, 7:45 PM CDT
In force: 84 min
Issued by: the Storm Prediction Center

All 21 counties

Blaine County, NE, Boyd County, NE, Brown County, NE, Holt County, NE, Keya Paha County, NE, Loup County, NE, Rock County, NE, Aurora County, SD, Beadle 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, Jerauld County, SD, Sanborn County, SD, Spink County, SD

The radar

The North Platte radar (KLNX), 197 km from the middle of the area, began a volume at 23:23 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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Nearby

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