Weather alerts in South Dakota, December 2018

48 weather alerts in December 2018, 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 2018. Tap one for its archive.

Alerts: 48
Warnings: 10
Watches: 5
Advisories: 28
Busiest day: December 12, 20186 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
Nov 30, 6:23 PM CST	Dense Fog Advisory	ABR	Brown, Campbell, Clark, Codington, Day, Deuel and 10 more	9 hr
Dec 1, 2:17 AM CST	Mesoscale Discussion	SPC	Bennett, Gregory, Mellette, Todd, Tripp	6 hr
Dec 1, 10:46 AM CST	Mesoscale Discussion	SPC	Bon Homme, Clay, Union, Yankton	3 hr
Dec 8, 2:00 AM CST	Dense Fog Advisory	FSD	Aurora, Bon Homme, Brookings, Charles Mix, Clay, Davison and 13 more	10 hr
Dec 12, 3:41 AM CST	Winter Weather Advisory	UNR	Custer, Lawrence, Meade, Pennington	17 hr
Dec 12, 3:44 AM CST	High Wind Warning	UNR	Meade, Pennington	18 hr
Dec 12, 3:44 AM CST	Wind Advisory	UNR	Butte, Custer, Haakon, Harding, Jackson, Lawrence and 3 more	18 hr
Dec 12, 7:44 AM CST	Dense Fog Advisory	ABR	Clark, Codington, Day, Deuel, Grant, Hamlin and 2 more	5 hr
Dec 12, 3:12 PM CST	Dense Fog Advisory	FSD	Brookings, Lake, Lincoln, Minnehaha, Moody	17 hr
Dec 12, 3:21 PM CST	Dense Fog Advisory	ABR	Codington, Deuel, Grant, Hamlin	15 hr
Dec 13, 1:16 AM CST	Winter Weather Advisory	FSD	Beadle, Brookings, Jerauld, Kingsbury, Lake, Miner and 1 more	6 hr
Dec 13, 1:36 AM CST	Winter Weather Advisory	ABR	Brown, Clark, Codington, Day, Deuel, Grant and 4 more	5 hr
Dec 14, 1:06 AM CST	Dense Fog Advisory	FSD	Union	7 hr
Dec 18, 3:36 AM CST	High Wind Watch	UNR	Butte, Harding, Meade, Pennington, Perkins	12 hr
Dec 18, 2:36 PM CST	Wind Advisory	ABR	Corson, Dewey, Jones, Stanley	27 hr
Dec 18, 3:18 PM CST	Wind Advisory	UNR	Bennett, Butte, Custer, Haakon, Harding, Jackson and 7 more	27 hr
Dec 19, 7:06 AM CST	Dense Fog Advisory	FSD	Beadle, Brookings, Hanson, Kingsbury, Lake, Lincoln and 6 more	5 hr
Dec 20, 10:23 PM CST	Dense Fog Advisory	ABR	Brown, Clark, Codington, Day, Deuel, Edmunds and 7 more	13 hr
Dec 21, 3:47 AM CST	Wind Advisory	UNR	Custer, Meade, Pennington	13 hr
Dec 21, 5:01 AM CST	Dense Fog Advisory	FSD	Brookings, Kingsbury, Lake, Lincoln, McCook, Miner and 3 more	5 hr
Dec 22, 3:43 AM CST	Wind Advisory	UNR	Butte, Harding, Meade, Pennington, Perkins	14 hr
Dec 24, 2:58 PM CST	Winter Storm Watch	UNR	Bennett, Haakon, Jackson, Mellette, Todd, Tripp and 1 more	24 hr
Dec 25, 3:17 AM CST	Winter Storm Watch	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 15 more	24 hr
Dec 25, 3:45 AM CST	Winter Storm Watch	ABR	Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more	11 hr
Dec 25, 3:50 AM CST	Winter Weather Advisory	UNR	Bennett, Butte, Custer, Haakon, Harding, Jackson and 8 more	3 days
Dec 25, 2:28 PM CST	Winter Storm Warning	ABR	Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more	37 hr
Dec 25, 3:03 PM CST	Winter Storm Warning	UNR	Bennett, Haakon, Jackson, Mellette, Perkins, Todd and 2 more	39 hr
Dec 25, 3:17 PM CST	Winter Storm Warning	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 13 more	69 hr
Dec 26, 3:25 AM CST	Winter Weather Advisory	FSD	Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 15 more	57 hr
Dec 26, 12:05 PM CST	Flood Watch	FSD	Union	31 hr
Dec 26, 3:16 PM CST	Blizzard Warning	ABR	Brown, Buffalo, Campbell, Clark, Codington, Day and 18 more	45 hr
Dec 26, 3:32 PM CST	Blizzard Warning	UNR	Mellette, Todd, Tripp	38 hr
Dec 27, 3:57 AM CST	Winter Storm Warning	ABR	Campbell, Corson, Dewey, Walworth	11 hr
Dec 27, 2:48 PM CST	Winter Weather Advisory	ABR	Campbell, Corson, Dewey, Jones, Stanley, Walworth	13 hr
Dec 27, 6:07 PM CST	Mesoscale Discussion	SPC	Brookings, Clark, Codington, Day, Deuel, Grant and 7 more	5 hr
Dec 28, 8:55 AM CST	Winter Weather Advisory	ABR	Brown, Spink	3 hr
Dec 28, 2:07 PM CST	Wind Chill Advisory	ABR	Brown, Clark, Codington, Day, Deuel, Edmunds and 8 more	19 hr
Dec 28, 2:32 PM CST	Wind Chill Advisory	FSD	Aurora, Beadle, Brookings, Davison, Douglas, Hanson and 8 more	18 hr
Dec 29, 3:19 PM CST	Winter Weather Advisory	UNR	Bennett, Butte, Custer, Fall River, Haakon, Harding and 10 more	51 hr
Dec 29, 9:42 PM CST	Winter Weather Advisory	ABR	Codington, Deuel, Grant, Marshall, Roberts	5 hr
Dec 30, 4:10 AM CST	Winter Storm Warning	UNR	Butte, Custer, Fall River, Lawrence, Meade, Pennington	35 hr
Dec 30, 2:36 PM CST	Winter Weather Advisory	ABR	Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more	27 hr
Dec 30, 3:18 PM CST	Winter Weather Advisory	UNR	Custer	3 hr
Dec 30, 3:33 PM CST	Winter Weather Advisory	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more	29 hr
Dec 30, 7:09 PM CST	Mesoscale Discussion	SPC	Beadle, Brown, Clark, Codington, Day, Deuel and 9 more	4 hr
Dec 30, 9:48 PM CST	Mesoscale Discussion	SPC	Butte, Lawrence	5 hr
Dec 31, 4:54 AM CST	Blizzard Warning	UNR	Meade, Pennington	6 hr
Dec 31, 6:00 AM CST	Blizzard Warning	ABR	Brown, Clark, Codington, Day, Deuel, Grant and 4 more	12 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	5
Flooding
Flood Watch	1
Winter
Blizzard Warning	4
Winter Storm Warning	5
Winter Storm Watch	3
Winter Weather Advisory	12
Cold
Wind Chill Advisory	2
Wind and dust
High Wind Warning	1
High Wind Watch	1
Wind Advisory	5
Fog and smoke
Dense Fog Advisory	9

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 2017 2019

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.