Alert archive / South Dakota / Winter Weather Advisories in 2017

Winter Weather Advisory 7, NWS Sioux Falls, SD

March 11, 201710 counties in South Dakota; 8 counties in Iowa; Nobles County, Pipestone County, Rock County, Minnesota

NWS Sioux Falls, SD issued this winter weather advisory at Mar 11, 2017, 3:12 PM CST for 10 counties in South Dakota; 8 counties in Iowa; Nobles County, Pipestone County, Rock County, Minnesota. It took effect at Mar 12, 2017, 7:00 AM CDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: Mar 11, 2017, 3:12 PM CST (21:12 UTC)
In effect from: Mar 12, 2017, 7:00 AM CDT
Expired: Mar 13, 2017, 7:00 AM CDT
In force: 24 hr
Issued by: NWS Sioux Falls, SD

All 21 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Sioux County, IA, Nobles County, MN, Pipestone County, MN, Rock County, MN, Beadle County, SD, Brookings County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD

The radar

The Sioux Falls radar (KFSD), 21 km from the middle of the area, began a volume at 21:09 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.

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 Mar 10, 5:55 PM CST, 21 hours 17 minutes earlier.

Area forecast discussion, Mar 10, 5:55 PM CST, 21 hours 17 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
Mar 11, 3:12 PM CST	Winter Storm Warning	FSD	Brookings, Kingsbury, Moody	39 hr

Nearby

Winter Weather Advisories in South Dakota, 2017 Winter Weather Advisories in Iowa, 2017 Winter Weather Advisories in Minnesota, 2017 Every winter weather advisory in 2017

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.