Weather alerts in South Dakota, December 2019

40 weather alerts in December 2019, 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 2019. Tap one for its archive.

Alerts: 40
Warnings: 14
Watches: 3
Advisories: 22
Busiest day: December 27, 20195 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, 8:17 PM CST	Winter Weather Advisory	UNR	Bennett, Butte, Custer, Fall River, Haakon, Harding and 9 more	13 hr
Dec 6, 7:07 AM CST	River Flood Warning	FSD	Hutchinson, Yankton	31 days
Dec 8, 2:46 AM CST	Winter Weather Advisory	ABR	Brown, Day, Grant, McPherson, Marshall, Roberts	27 hr
Dec 8, 12:21 PM CST	Dense Fog Advisory	FSD	Brookings, Clay, Davison, Hanson, Hutchinson, Kingsbury and 9 more	15 hr
Dec 9, 2:29 PM CST	Wind Chill Advisory	ABR	Marshall, Roberts	22 hr
Dec 10, 3:02 PM CST	Wind Chill Advisory	ABR	Brown, Day, McPherson, Marshall, Roberts	19 hr
Dec 11, 10:01 PM CST	River Flood Warning	FSD	Brookings	21 days
Dec 13, 9:06 AM CST	Dense Fog Advisory	ABR	Brown, Buffalo, Clark, Codington, Day, Deuel and 13 more	7 hr
Dec 13, 9:07 AM CST	Dense Fog Advisory	FSD	Aurora, Beadle, Brookings, Brule, Davison, Douglas and 12 more	7 hr
Dec 14, 7:13 AM CST	Freezing Fog Advisory	UNR	Butte, Custer, Fall River, Lawrence, Meade, Pennington	7 hr
Dec 14, 8:27 PM CST	River Flood Warning	FSD	Brookings, Moody	21 days
Dec 16, 9:14 AM CST	Dense Fog Advisory	FSD	Union	3 hr
Dec 17, 1:48 AM CST	Dense Fog Advisory	FSD	Clay, Lincoln, Minnehaha, Union	4 hr
Dec 17, 9:32 PM CST	River Flood Warning	FSD	Yankton	38 hr
Dec 18, 7:35 PM CST	River Flood Warning	FSD	Yankton	8 days
Dec 20, 3:08 AM CST	Dense Fog Advisory	ABR	Campbell, Corson, Edmunds, McPherson, Walworth	8 hr
Dec 21, 1:27 PM CST	High Wind Warning	UNR	Lawrence, Meade, Pennington	22 hr
Dec 21, 1:27 PM CST	Wind Advisory	UNR	Custer, Fall River, Pennington	22 hr
Dec 24, 2:24 PM CST	Dense Fog Advisory	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more	34 hr
Dec 24, 2:54 PM CST	Dense Fog Advisory	ABR	Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more	33 hr
Dec 24, 6:24 PM CST	Dense Fog Advisory	UNR	Butte, Haakon, Harding, Jackson, Meade, Mellette and 5 more	23 hr
Dec 25, 4:15 AM CST	Winter Weather Advisory	ABR	Brown, Campbell, Clark, Codington, Day, Deuel and 12 more	22 hr
Dec 25, 4:54 AM CST	Winter Weather Advisory	FSD	Beadle, Brookings, Kingsbury, Lincoln, Minnehaha, Moody	22 hr
Dec 26, 3:10 PM CST	Winter Storm Watch	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 17 more	24 hr
Dec 26, 3:14 PM CST	Winter Storm Watch	ABR	Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more	23 hr
Dec 26, 3:34 PM CST	Winter Storm Watch	UNR	Bennett, Custer, Fall River, Haakon, Jackson, Meade and 6 more	23 hr
Dec 27, 2:38 PM CST	Winter Storm Warning	ABR	Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more	63 hr
Dec 27, 3:03 PM CST	Winter Storm Warning	UNR	Bennett, Fall River, Haakon, Jackson, Lawrence, Meade and 6 more	63 hr
Dec 27, 3:03 PM CST	Winter Weather Advisory	UNR	Custer, Fall River, Lawrence, Meade, Oglala Lakota, Pennington and 1 more	52 hr
Dec 27, 3:18 PM CST	Winter Storm Warning	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 11 more	63 hr
Dec 27, 3:18 PM CST	Winter Weather Advisory	FSD	Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more	3 days
Dec 28, 3:41 AM CST	Winter Weather Advisory	FSD	Clay, Union	68 hr
Dec 28, 10:10 AM CST	River Flood Warning	FSD	Union	4 days
Dec 29, 4:46 AM CST	Mesoscale Discussion	SPC	Codington, Day, Grant, Hamlin, Marshall, Roberts	4 hr
Dec 29, 11:55 AM CST	Blizzard Warning	ABR	Brown, Campbell, Clark, Day, Edmunds, Faulk and 8 more	12 hr
Dec 29, 11:55 AM CST	Winter Storm Warning	ABR	Brown, Campbell, Clark, Day, Edmunds, Faulk and 8 more	18 hr
Dec 29, 12:02 PM CST	Blizzard Warning	FSD	Aurora, Beadle, Davison, Douglas, Hanson, Hutchinson and 4 more	12 hr
Dec 29, 12:02 PM CST	Winter Storm Warning	FSD	Aurora, Beadle, Davison, Douglas, Hanson, Hutchinson and 4 more	18 hr
Dec 30, 3:10 AM CST	Winter Weather Advisory	ABR	Brown, Buffalo, Campbell, Clark, Codington, Day and 16 more	11 hr
Dec 30, 3:23 AM CST	Winter Weather Advisory	UNR	Mellette, Todd, Tripp	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	1
Flooding
River Flood Warning	6
Winter
Blizzard Warning	2
Winter Storm Warning	5
Winter Storm Watch	3
Winter Weather Advisory	9
Cold
Wind Chill Advisory	2
Wind and dust
High Wind Warning	1
Wind Advisory	1
Fog and smoke
Dense Fog Advisory	9
Freezing Fog Advisory	1

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 2018 2020

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.