Alert archive / South Dakota / Winter Storm Watches in 2010

Winter Storm Watch 2, NWS Sioux Falls, SD

January 20, 201022 counties in South Dakota; Lyon County, Osceola County, Iowa; 8 counties in Minnesota

NWS Sioux Falls, SD issued this winter storm watch at Jan 20, 2010, 2:44 PM CST for 22 counties in South Dakota; Lyon County, Osceola County, Iowa; 8 counties in Minnesota. It took effect at Jan 22, 2010, 12:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 20, 2010, 2:44 PM CST (20:44 UTC)
In effect from
Jan 22, 2010, 12:00 PM CST
Expired
Jan 22, 2010, 3:50 AM CST
In force
Issued by
NWS Sioux Falls, SD
All 32 counties

Lyon County, IA, Osceola County, IA, 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, Bon Homme County, SD, Brookings County, SD, Brule County, SD, Charles Mix County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld 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, Turner County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 40 km from the middle of the area, began a volume at 20:42 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.

Nearby

Winter Storm Watches in South Dakota, 2010Winter Storm Watches in Minnesota, 2010Winter Storm Watches in Iowa, 2010Every winter storm watch in 2010

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.