Weather alerts in Linn County, Missouri, 2021

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

Linn County and its neighbors

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

Alerts: 120
Warnings: 39
Watches: 17
Advisories: 27
Busiest month: July28 alerts
Busiest day: July 10, 202112 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, 2:33 AM CST	Mesoscale Discussion	SPC	5 hr
Jan 2, 3:06 PM CST	Dense Fog Advisory	EAX	21 hr
Jan 3, 2:12 PM CST	Dense Fog Advisory	EAX	24 hr
Jan 14, 3:22 AM CST	Winter Weather Advisory	EAX	39 hr
Jan 24, 3:13 AM CST	Winter Weather Advisory	EAX	49 hr
Jan 26, 2:41 PM CST	Winter Weather Advisory	EAX	21 hr
Jan 30, 8:31 AM CST	River Flood Warning	EAX	32 hr
Feb 3, 1:32 AM CST	Dense Fog Advisory	EAX	7 hr
Feb 5, 1:35 PM CST	Winter Weather Advisory	EAX	29 hr
Feb 8, 2:14 PM CST	Wind Chill Advisory	EAX	19 hr
Feb 11, 11:55 AM CST	Wind Chill Advisory	EAX	24 hr
Feb 12, 3:28 AM CST	Wind Chill Advisory	EAX	33 hr
Feb 13, 3:28 AM CST	Wind Chill Warning	EAX	3 days
Feb 13, 3:28 AM CST	Winter Weather Advisory	EAX	63 hr
Feb 27, 3:15 AM CST	Dense Fog Advisory	EAX	8 hr
Mar 7, 1:54 AM CST	Red Flag Warning	EAX	16 hr
Mar 9, 2:42 PM CST	Wind Advisory	EAX	27 hr
Mar 15, 8:45 AM CDT	River Flood Warning	EAX	3 days
Mar 15, 1:26 PM CDT	River Flood Warning	EAX	55 hr
Mar 16, 12:14 AM CDT	Dense Fog Advisory	EAX	9 hr
Mar 23, 12:44 PM CDT	Mesoscale Discussion	SPC	2 hr
Mar 28, 3:36 AM CDT	Fire Weather Watch	EAX	11 hr
Mar 28, 2:24 PM CDT	Wind Advisory	EAX	31 hr
Mar 28, 2:31 PM CDT	Red Flag Warning	EAX	30 hr
Mar 28, 10:04 PM CDT	River Flood Warning	EAX	11 hr
Apr 7, 12:02 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 9, 8:04 PM CDT	River Flood Warning	EAX	3 days
Apr 14, 2:48 PM CDT	Frost Advisory	EAX	17 hr
Apr 18, 2:58 PM CDT	Freeze Watch	EAX	24 hr
Apr 18, 2:59 PM CDT	Winter Weather Advisory	EAX	43 hr
Apr 19, 2:44 PM CDT	Freeze Warning	EAX	42 hr
Apr 21, 3:33 AM CDT	Freeze Warning	EAX	29 hr
May 27, 5:27 AM CDT	Special Weather Statement	EAX	48 min
May 27, 6:03 PM CDT	Mesoscale Discussion	SPC	87 min
Jun 16, 2:47 PM CDT	Heat Advisory	EAX	53 hr
Jun 18, 10:08 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 20, 2:02 PM CDT	Mesoscale Discussion	SPC	118 min
Jun 20, 4:01 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 20, 6:56 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 20, 8:01 PM CDT	Severe Thunderstorm Warning	EAX	44 min
Jun 23, 1:39 PM CDT	Flash Flood Watch	EAX	3 days
Jun 24, 5:02 AM CDT	Mesoscale Discussion	SPC	118 min
Jun 24, 11:20 AM CDT	River Flood Warning	EAX	4 days
Jun 24, 11:20 AM CDT	River Flood Warning	EAX	10 days
Jun 24, 6:19 PM CDT	Mesoscale Discussion	SPC	56 min
Jun 24, 6:33 PM CDT	Tornado Watch	SPC	3 hr
Jun 24, 8:33 PM CDT	Mesoscale Discussion	SPC	87 min
Jun 24, 8:51 PM CDT	Severe Thunderstorm Warning	EAX	54 min
Jun 24, 8:57 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 24, 9:29 PM CDT	Severe Thunderstorm Warning	EAX	61 min
Jun 24, 10:24 PM CDT	Severe Thunderstorm Warning	EAX	51 min
Jun 25, 9:12 AM CDT	Areal Flood Warning	EAX	4 days
Jun 28, 3:09 AM CDT	Flash Flood Watch	EAX	3 days
Jun 30, 12:50 PM CDT	River Flood Warning	EAX	34 hr
Jun 30, 4:50 PM CDT	Flash Flood Warning	EAX	4 hr
Jul 1, 12:06 AM CDT	River Flood Warning	EAX	24 hr
Jul 7, 1:58 PM CDT	Special Weather Statement	EAX	32 min
Jul 7, 3:45 PM CDT	Special Weather Statement	EAX	45 min
Jul 7, 4:26 PM CDT	Areal Flood Advisory	EAX	4 hr
Jul 9, 2:26 AM CDT	Flash Flood Watch	EAX	32 hr
Jul 9, 7:54 PM CDT	Mesoscale Discussion	SPC	36 min
Jul 9, 8:18 PM CDT	Tornado Watch	SPC	6 hr
Jul 9, 9:18 PM CDT	Special Weather Statement	EAX	42 min
Jul 9, 9:58 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 9, 10:26 PM CDT	Mesoscale Discussion	SPC	64 min
Jul 9, 10:44 PM CDT	Special Weather Statement	EAX	46 min
Jul 9, 11:28 PM CDT	Special Weather Statement	EAX	47 min
Jul 10, 1:01 AM CDT	Mesoscale Discussion	SPC	59 min
Jul 10, 2:35 AM CDT	Flash Flood Warning	EAX	7 hr
Jul 10, 2:57 AM CDT	Mesoscale Discussion	SPC	93 min
Jul 10, 5:30 AM CDT	River Flood Warning	EAX	5 days
Jul 10, 9:45 AM CDT	Areal Flood Advisory	EAX	4 days
Jul 10, 8:22 PM CDT	Special Weather Statement	EAX	38 min
Jul 11, 4:14 AM CDT	River Flood Warning	EAX	43 hr
Jul 14, 9:31 PM CDT	River Flood Warning	EAX	35 hr
Jul 14, 9:31 PM CDT	River Flood Warning	EAX	3 days
Jul 15, 3:43 PM CDT	Areal Flood Warning	EAX	12 hr
Jul 16, 7:57 PM CDT	River Flood Warning	EAX	13 hr
Jul 26, 3:37 AM CDT	Heat Advisory	EAX	4 days
Jul 29, 5:51 PM CDT	Mesoscale Discussion	SPC	84 min
Jul 29, 8:09 PM CDT	Special Weather Statement	EAX	51 min
Jul 30, 8:47 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jul 31, 12:54 AM CDT	Mesoscale Discussion	SPC	66 min
Aug 8, 2:41 PM CDT	Heat Advisory	EAX	4 days
Aug 11, 4:22 AM CDT	Special Weather Statement	EAX	38 min
Aug 11, 4:49 AM CDT	Mesoscale Discussion	SPC	86 min
Aug 11, 4:59 AM CDT	Severe Thunderstorm Warning	EAX	46 min
Aug 12, 2:16 PM CDT	Special Weather Statement	EAX	29 min
Aug 12, 2:18 PM CDT	Severe Thunderstorm Warning	EAX	27 min
Aug 12, 2:31 PM CDT	Severe Thunderstorm Warning	EAX	29 min
Aug 12, 3:30 PM CDT	Mesoscale Discussion	SPC	90 min
Aug 22, 2:54 PM CDT	Heat Advisory	EAX	4 days
Sep 20, 2:15 PM CDT	Mesoscale Discussion	SPC	2 hr
Sep 20, 3:25 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Sep 20, 6:25 PM CDT	Mesoscale Discussion	SPC	95 min
Sep 20, 7:52 PM CDT	Special Weather Statement	EAX	23 min
Sep 25, 4:59 AM CDT	Dense Fog Advisory	EAX	4 hr
Oct 6, 8:42 PM CDT	Dense Fog Advisory	EAX	12 hr
Oct 23, 9:14 PM CDT	Mesoscale Discussion	SPC	3 hr
Oct 23, 9:53 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Oct 24, 2:13 AM CDT	Mesoscale Discussion	SPC	2 hr
Oct 24, 8:26 AM CDT	River Flood Warning	EAX	37 hr
Oct 24, 2:06 PM CDT	Tornado Watch	SPC	9 hr
Oct 24, 3:28 PM CDT	Mesoscale Discussion	SPC	92 min
Oct 24, 4:37 PM CDT	Tornado Warning	EAX	38 min
Oct 24, 5:10 PM CDT	Tornado Warning	EAX	35 min
Oct 24, 5:25 PM CDT	Mesoscale Discussion	SPC	2 hr
Oct 28, 1:01 PM CDT	River Flood Warning	EAX	60 hr
Nov 1, 2:31 PM CDT	Freeze Warning	EAX	18 hr
Nov 11, 1:45 PM CST	River Flood Warning	EAX	26 hr
Nov 11, 1:45 PM CST	River Flood Warning	EAX	49 hr
Dec 10, 2:44 PM CST	Mesoscale Discussion	SPC	2 hr
Dec 14, 3:05 AM CST	High Wind Warning	EAX	45 hr
Dec 14, 3:05 AM CST	Wind Advisory	EAX	45 hr
Dec 15, 5:01 PM CST	Mesoscale Discussion	SPC	89 min
Dec 15, 5:30 PM CST	Mesoscale Discussion	SPC	90 min
Dec 15, 6:00 PM CST	Severe Thunderstorm Watch	SPC	6 hr
Dec 15, 7:03 PM CST	Severe Thunderstorm Warning Considerable damage threat	EAX	87 min
Dec 15, 7:14 PM CST	Mesoscale Discussion	SPC	91 min
Dec 30, 9:06 PM CST	Dense Fog Advisory	EAX	15 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	8
Tornado Warning	2
Severe Thunderstorm Watch	9
Tornado Watch	3
Mesoscale Discussion	26
Special Weather Statement	11
Flooding
Areal Flood Warning	2
Flash Flood Warning	2
River Flood Warning	18
Flash Flood Watch	3
Areal Flood Advisory	2
Winter
Winter Weather Advisory	6
Heat
Heat Advisory	4
Cold
Freeze Warning	3
Wind Chill Warning	1
Freeze Watch	1
Frost Advisory	1
Wind Chill Advisory	3
Wind and dust
High Wind Warning	1
Wind Advisory	3
Fire
Red Flag Warning	2
Fire Weather Watch	1
Fog and smoke
Dense Fog Advisory	8

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.