Alert archive / South Dakota / Winter Weather Advisories in 2012

Winter Weather Advisory 12, NWS Sioux Falls, SD

December 8, 201214 counties in South Dakota; 8 counties in Minnesota

NWS Sioux Falls, SD issued this winter weather advisory at Dec 8, 2012, 3:18 PM CST for 14 counties in South Dakota; 8 counties in Minnesota. It took effect at Dec 8, 2012, 4:00 PM CST. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued: Dec 8, 2012, 3:18 PM CST (21:18 UTC)
In effect from: Dec 8, 2012, 4:00 PM CST
Expired: Dec 9, 2012, 9:00 PM CST
In force: 29 hr
Issued by: NWS Sioux Falls, SD

All 22 counties

Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Aurora County, SD, Beadle County, SD, Brookings County, SD, Brule County, SD, Davison County, SD, Hanson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD

The radar

The Sioux Falls radar (KFSD), 49 km from the middle of the area, began a volume at 21:18 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.

What forecasters said that day

The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before this winter weather advisory went out at Dec 7, 5:35 PM CST, 21 hours 43 minutes earlier.

Area forecast discussion, Dec 7, 5:35 PM CST, 21 hours 43 minutes before

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The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 8, 3:44 AM CST	Winter Weather Advisory	FSD	Beadle, Brookings, Kingsbury	12 hr
Dec 8, 3:18 PM CST	Blizzard Warning	FSD	Aurora, Beadle, Brookings, Brule, Charles Mix, Davison and 11 more	30 hr
Dec 8, 3:44 PM CST	Wind Advisory	FSD	Bon Homme, Charles Mix, Clay, Douglas, Gregory, Hutchinson and 4 more	29 hr

Nearby

Winter Weather Advisories in South Dakota, 2012 Winter Weather Advisories in Minnesota, 2012 Every winter weather advisory in 2012

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.