Weather alerts in Rock County, Minnesota, 2021

108 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Rock County and its neighbors

Each county as a circle sized by its count in 2021. Tap one for its archive.

Alerts: 108
Warnings: 37
Watches: 10
Advisories: 42
Busiest month: August30 alerts
Busiest day: August 28, 202113 alerts

Over time

By month

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	Lasted
Jan 1, 5:56 PM CST	Dense Fog Advisory	FSD	21 hr
Jan 2, 2:53 PM CST	Dense Fog Advisory	FSD	39 hr
Jan 5, 2:26 PM CST	Winter Weather Advisory	FSD	24 hr
Jan 7, 2:42 PM CST	Dense Fog Advisory	FSD	20 hr
Jan 8, 2:30 PM CST	Dense Fog Advisory	FSD	22 hr
Jan 13, 3:35 AM CST	Winter Storm Watch	FSD	24 hr
Jan 13, 3:32 PM CST	High Wind Warning	FSD	44 hr
Jan 14, 3:30 AM CST	Blizzard Warning	FSD	39 hr
Jan 14, 2:55 PM CST	Winter Weather Advisory	FSD	31 hr
Jan 14, 8:44 PM CST	Mesoscale Discussion	SPC	5 hr
Jan 22, 4:05 AM CST	Winter Weather Advisory	FSD	44 hr
Jan 29, 2:05 PM CST	Winter Weather Advisory	FSD	34 hr
Feb 1, 11:39 PM CST	Dense Fog Advisory	FSD	11 hr
Feb 3, 3:15 AM CST	Winter Weather Advisory	FSD	33 hr
Feb 6, 3:03 AM CST	Wind Chill Advisory	FSD	33 hr
Feb 8, 2:31 PM CST	Wind Chill Advisory	FSD	18 hr
Feb 11, 2:45 PM CST	Wind Chill Advisory	FSD	21 hr
Feb 12, 2:09 PM CST	Wind Chill Watch	FSD	61 hr
Feb 12, 2:09 PM CST	Wind Chill Advisory	FSD	22 hr
Feb 13, 3:35 AM CST	Wind Chill Warning	FSD	3 days
Feb 21, 8:24 PM CST	Dense Fog Advisory	FSD	7 hr
Feb 27, 3:52 AM CST	Winter Storm Watch	FSD	11 hr
Feb 27, 3:52 AM CST	Winter Weather Advisory	FSD	29 hr
Mar 13, 3:24 AM CST	Winter Storm Watch	FSD	24 hr
Mar 14, 4:03 AM CDT	Winter Storm Warning	FSD	32 hr
Mar 14, 6:20 PM CDT	Mesoscale Discussion	SPC	6 hr
Mar 15, 1:50 AM CDT	Mesoscale Discussion	SPC	6 hr
Mar 21, 3:04 AM CDT	Wind Advisory	FSD	12 hr
Mar 28, 2:40 PM CDT	Wind Advisory	FSD	30 hr
Mar 28, 2:47 PM CDT	Red Flag Warning	FSD	30 hr
Mar 30, 10:59 AM CDT	Wind Advisory	FSD	10 hr
Apr 2, 10:49 AM CDT	Red Flag Warning	FSD	9 hr
Apr 5, 6:21 PM CDT	Mesoscale Discussion	SPC	114 min
Apr 5, 9:27 PM CDT	Severe Thunderstorm Warning	FSD	33 min
Apr 5, 9:48 PM CDT	Severe Thunderstorm Warning	FSD	27 min
Apr 5, 10:07 PM CDT	Severe Thunderstorm Warning	FSD	53 min
May 5, 2:24 PM CDT	Frost Advisory	FSD	18 hr
May 10, 3:12 PM CDT	Frost Advisory	FSD	17 hr
May 14, 4:58 PM CDT	Mesoscale Discussion	SPC	92 min
May 19, 1:59 AM CDT	Dense Fog Advisory	FSD	7 hr
May 31, 2:46 AM CDT	Dense Fog Advisory	FSD	6 hr
Jun 10, 3:31 AM CDT	Heat Advisory	FSD	16 hr
Jun 16, 6:26 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 3, 2:15 PM CDT	Heat Advisory	FSD	30 hr
Jul 5, 6:37 PM CDT	Severe Thunderstorm Warning	FSD	38 min
Jul 5, 7:16 PM CDT	Severe Thunderstorm Warning	FSD	44 min
Jul 6, 1:06 PM CDT	Mesoscale Discussion	SPC	114 min
Jul 9, 2:41 AM CDT	Mesoscale Discussion	SPC	34 min
Jul 23, 9:07 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 26, 3:11 AM CDT	Excessive Heat Watch	FSD	35 hr
Jul 26, 3:11 AM CDT	Heat Advisory	FSD	42 hr
Jul 27, 2:22 PM CDT	Heat Advisory	FSD	31 hr
Jul 31, 1:02 AM CDT	Dense Fog Advisory	FSD	8 hr
Aug 5, 7:53 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	41 min
Aug 5, 8:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	51 min
Aug 5, 8:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	48 min
Aug 5, 9:34 PM CDT	Mesoscale Discussion	SPC	86 min
Aug 6, 11:54 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 7, 2:10 AM CDT	Mesoscale Discussion	SPC	2 hr
Aug 20, 3:58 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Aug 22, 4:10 PM CDT	Severe Thunderstorm Warning	FSD	35 min
Aug 24, 10:00 AM CDT	Severe Thunderstorm Warning	FSD	45 min
Aug 26, 10:45 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 28, 2:43 PM CDT	Mesoscale Discussion	SPC	3 hr
Aug 28, 3:44 PM CDT	Tornado Watch	SPC	5 hr
Aug 28, 3:57 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Aug 28, 4:45 PM CDT	Tornado Warning	FSD	30 min
Aug 28, 4:49 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	41 min
Aug 28, 5:00 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	45 min
Aug 28, 5:06 PM CDT	Tornado Warning	FSD	24 min
Aug 28, 5:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	34 min
Aug 28, 5:27 PM CDT	Mesoscale Discussion	SPC	63 min
Aug 28, 5:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	31 min
Aug 28, 5:34 PM CDT	Severe Thunderstorm Warning	FSD	17 min
Aug 28, 6:15 PM CDT	Severe Thunderstorm Warning	FSD	45 min
Aug 28, 6:53 PM CDT	Severe Thunderstorm Warning	FSD	52 min
Aug 28, 7:23 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	52 min
Aug 28, 7:44 PM CDT	Mesoscale Discussion	SPC	91 min
Aug 28, 7:48 PM CDT	Severe Thunderstorm Warning	FSD	31 min
Aug 28, 8:06 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	54 min
Aug 28, 8:52 PM CDT	Severe Thunderstorm Warning	FSD	23 min
Aug 28, 9:13 PM CDT	Severe Thunderstorm Warning	FSD	47 min
Aug 28, 9:29 PM CDT	Flash Flood Warning	FSD	3 hr
Sep 16, 6:23 PM CDT	Mesoscale Discussion	SPC	97 min
Sep 17, 12:10 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	35 min
Sep 17, 12:34 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	56 min
Sep 17, 12:36 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	54 min
Oct 13, 2:53 AM CDT	Wind Advisory	FSD	20 hr
Oct 15, 3:30 AM CDT	Frost Advisory	FSD	30 hr
Oct 15, 3:00 PM CDT	Freeze Warning	FSD	19 hr
Oct 20, 7:39 AM CDT	Mesoscale Discussion	SPC	96 min
Oct 26, 3:10 AM CDT	Wind Advisory	FSD	16 hr
Nov 4, 4:23 AM CDT	Dense Fog Advisory	FSD	10 hr
Nov 4, 9:24 PM CDT	Dense Fog Advisory	FSD	5 hr
Nov 10, 2:54 PM CST	Wind Advisory	FSD	51 hr
Nov 11, 3:11 AM CST	Winter Weather Advisory	FSD	33 hr
Nov 13, 5:00 PM CST	Wind Advisory	FSD	10 hr
Dec 4, 3:11 PM CST	Wind Advisory	FSD	35 hr
Dec 8, 3:31 AM CST	Winter Storm Watch	FSD	32 hr
Dec 9, 11:23 AM CST	Winter Storm Warning	FSD	40 hr
Dec 10, 12:27 PM CST	Mesoscale Discussion	SPC	4 hr
Dec 14, 4:04 AM CST	High Wind Watch	FSD	11 hr
Dec 14, 4:04 AM CST	High Wind Warning	FSD	47 hr
Dec 14, 2:28 PM CST	Winter Weather Advisory	FSD	36 hr
Dec 15, 2:56 AM CST	Dense Fog Advisory	FSD	6 hr
Dec 15, 9:01 AM CST	Dense Fog Advisory	FSD	119 min
Dec 26, 4:14 AM CST	Winter Weather Advisory	FSD	24 hr
Dec 26, 1:52 PM CST	Wind Advisory	FSD	22 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
Severe Thunderstorm Warning	25
Tornado Warning	2
Severe Thunderstorm Watch	2
Tornado Watch	1
Mesoscale Discussion	19
Flooding
Flash Flood Warning	1
Winter
Blizzard Warning	1
Winter Storm Warning	2
Winter Storm Watch	4
Winter Weather Advisory	9
Heat
Excessive Heat Watch	1
Heat Advisory	4
Cold
Freeze Warning	1
Wind Chill Warning	1
Wind Chill Watch	1
Frost Advisory	3
Wind Chill Advisory	4
Wind and dust
High Wind Warning	2
High Wind Watch	1
Wind Advisory	9
Fire
Red Flag Warning	2
Fog and smoke
Dense Fog Advisory	13

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2020 2022

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. Rebuilt daily.