Alert archive / South Dakota / Mesoscale Discussions in 2018

Mesoscale Discussion 1744

December 30, 2018Big Stone County, Minnesota; 15 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Dec 30, 2018, 7:09 PM CST for Big Stone County, Minnesota; 15 counties in South Dakota. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Dec 30, 2018, 7:09 PM CST (01:09 UTC)
Expired
Dec 30, 2018, 11:15 PM CST
In force
4 hr
Issued by
the Storm Prediction Center

Counties Big Stone County, MN, Beadle County, SD, Brown County, SD, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD, Spink County, SD

The radar

The Aberdeen radar (KABR), 57 km from the middle of the area, began a volume at 01:09 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.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 31, 11:50 AM CSTMesoscale DiscussionSPCHouston6 hr
Dec 30, 9:48 PM CSTMesoscale DiscussionSPCButte, Lawrence5 hr

Nearby

Mesoscale Discussions in South Dakota, 2018Mesoscale Discussions in Minnesota, 2018Every mesoscale discussion in 2018

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.