Weather alerts in South Dakota, December 2020

35 weather alerts in December 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in December 2020. Tap one for its archive.

Alerts: 35
Warnings: 8
Watches: 5
Advisories: 19
Busiest day: December 22, 202010 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
Dec 11, 5:48 AM CST	Dense Fog Advisory	ABR	Campbell, Corson, Dewey, Edmunds, McPherson, Potter and 1 more	6 hr
Dec 11, 8:19 PM CST	Dense Fog Advisory	UNR	Haakon, Harding, Jackson, Meade, Pennington, Perkins and 1 more	14 hr
Dec 11, 8:35 PM CST	Dense Fog Advisory	ABR	Clark, Codington, Corson, Day, Deuel, Dewey and 6 more	15 hr
Dec 12, 10:04 AM CST	Dense Fog Advisory	UNR	Meade, Pennington	116 min
Dec 17, 6:14 AM CST	Dense Fog Advisory	FSD	Brookings, Kingsbury, Lake, Lincoln, Miner, Minnehaha and 2 more	7 hr
Dec 20, 2:57 AM CST	Wind Advisory	UNR	Butte, Custer, Haakon, Harding, Lawrence, Meade and 3 more	17 hr
Dec 20, 3:22 AM CST	Wind Advisory	ABR	Corson, Dewey	17 hr
Dec 20, 4:26 PM CST	High Wind Warning	UNR	Butte, Harding, Meade, Perkins, Ziebach	4 hr
Dec 20, 7:11 PM CST	Special Weather Statement	ABR	Jones, Lyman	94 min
Dec 21, 3:16 AM CST	Wind Advisory	FSD	Aurora, Beadle, Brookings, Davison, Hanson, Jerauld and 9 more	13 hr
Dec 21, 5:23 AM CST	Wind Advisory	ABR	Brown, Clark, Codington, Day, Deuel, Edmunds and 8 more	9 hr
Dec 21, 2:01 PM CST	High Wind Watch	ABR	Brown, Buffalo, Campbell, Clark, Corson, Day and 15 more	25 hr
Dec 21, 2:43 PM CST	Winter Weather Advisory	UNR	Custer, Lawrence, Meade, Pennington	24 hr
Dec 21, 2:45 PM CST	High Wind Watch	UNR	Bennett, Butte, Custer, Haakon, Harding, Jackson and 8 more	13 hr
Dec 22, 3:54 AM CST	Winter Storm Watch	FSD	Brookings, Lake, Moody	17 hr
Dec 22, 3:58 AM CST	Winter Storm Watch	ABR	Codington, Deuel, Grant, Hamlin, Roberts	10 hr
Dec 22, 4:13 AM CST	High Wind Warning	UNR	Bennett, Butte, Custer, Fall River, Haakon, Harding and 10 more	34 hr
Dec 22, 11:50 AM CST	Winter Weather Advisory	FSD	Aurora, Beadle, Bon Homme, Brule, Charles Mix, Clay and 15 more	15 hr
Dec 22, 2:23 PM CST	Blizzard Warning	ABR	Clark, Codington, Day, Deuel, Grant, Hamlin and 3 more	31 hr
Dec 22, 2:23 PM CST	Winter Weather Advisory	ABR	Brown, Buffalo, Campbell, Corson, Dewey, Edmunds and 12 more	24 hr
Dec 22, 2:25 PM CST	Winter Storm Warning	UNR	Custer, Lawrence, Meade, Pennington	19 hr
Dec 22, 2:25 PM CST	Winter Weather Advisory	UNR	Bennett, Custer, Haakon, Jackson, Lawrence, Meade and 6 more	28 hr
Dec 22, 2:31 PM CST	High Wind Warning	ABR	Brown, Buffalo, Campbell, Corson, Dewey, Edmunds and 12 more	24 hr
Dec 22, 2:38 PM CST	Blizzard Warning	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more	36 hr
Dec 23, 7:42 AM CST	Mesoscale Discussion	SPC	Brookings, Codington, Davison, Deuel, Grant, Hamlin and 10 more	5 hr
Dec 23, 9:02 AM CST	High Wind Warning	UNR	Custer	5 hr
Dec 23, 9:38 AM CST	Mesoscale Discussion	SPC	Clay, Lincoln, Minnehaha, Moody, Turner, Union	5 hr
Dec 23, 2:38 PM CST	Wind Chill Advisory	ABR	Brown, Clark, Codington, Day, Deuel, Grant and 3 more	21 hr
Dec 24, 2:56 AM CST	Wind Chill Advisory	FSD	Brookings	9 hr
Dec 26, 6:32 AM CST	Dense Fog Advisory	ABR	Brown, Clark, Codington, Day, Hamlin, Marshall and 1 more	3 hr
Dec 27, 7:00 PM CST	Winter Storm Watch	FSD	Bon Homme, Charles Mix, Clay, Davison, Douglas, Gregory and 8 more	8 hr
Dec 28, 3:01 AM CST	Winter Weather Advisory	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more	42 hr
Dec 28, 3:56 AM CST	Winter Weather Advisory	ABR	Brown, Buffalo, Campbell, Clark, Codington, Day and 18 more	44 hr
Dec 28, 4:06 AM CST	Winter Weather Advisory	UNR	Bennett, Custer, Fall River, Haakon, Jackson, Lawrence and 6 more	37 hr
Dec 29, 7:18 AM CST	Winter Storm Warning	FSD	Aurora, Bon Homme, Charles Mix, Clay, Davison, Douglas and 3 more	11 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Mesoscale Discussion	2
Special Weather Statement	1
Winter
Blizzard Warning	2
Winter Storm Warning	2
Winter Storm Watch	3
Winter Weather Advisory	7
Cold
Wind Chill Advisory	2
Wind and dust
High Wind Warning	4
High Wind Watch	2
Wind Advisory	4
Fog and smoke
Dense Fog Advisory	6

By county

Every county with at least one alert. A county page lists each alert that covered it.

26 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2019 2021

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.