Alert archive / Missouri / Johnson County

Weather alerts in Johnson County, Missouri, 2021

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

Johnson County and its neighbors

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

Alerts: 149
Warnings: 58
Watches: 17
Advisories: 30
Busiest month: June30 alerts
Busiest day: June 25, 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 19, 12:37 AM CST	Dense Fog Advisory	EAX	8 hr
Jan 26, 2:41 PM CST	Winter Weather Advisory	EAX	21 hr
Jan 30, 8:47 AM CST	River Flood Warning	EAX	44 hr
Jan 30, 9:48 AM CST	River Flood Warning	EAX	34 hr
Feb 5, 1:35 PM CST	Winter Weather Advisory	EAX	29 hr
Feb 6, 9:11 PM CST	Winter Weather Advisory	EAX	50 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 16, 2:41 AM CST	Winter Weather Advisory	EAX	37 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 10, 3:44 PM CST	Mesoscale Discussion	SPC	2 hr
Mar 11, 3:43 AM CST	Flood Watch	EAX	59 hr
Mar 11, 10:07 AM CST	River Flood Warning	EAX	9 days
Mar 11, 10:07 AM CST	River Flood Warning	EAX	9 days
Mar 15, 2:49 PM CDT	Mesoscale Discussion	SPC	116 min
Mar 15, 5:07 PM CDT	Tornado Warning	EAX	38 min
Mar 15, 5:38 PM CDT	Tornado Warning	EAX	37 min
Mar 15, 6:12 PM CDT	Severe Thunderstorm Warning	EAX	48 min
Mar 16, 12:14 AM CDT	Dense Fog Advisory	EAX	9 hr
Mar 17, 4:01 AM CDT	Severe Thunderstorm Warning	EAX	44 min
Mar 17, 2:15 PM CDT	Winter Weather Advisory	EAX	14 hr
Mar 26, 1:33 AM CDT	Dense Fog Advisory	EAX	8 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 31, 4:13 AM CDT	Freeze Warning	EAX	29 hr
Apr 1, 3:22 AM CDT	Frost Advisory	EAX	30 hr
Apr 7, 10:18 AM CDT	Mesoscale Discussion	SPC	117 min
Apr 7, 12:02 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 9, 8:04 PM CDT	River Flood Warning	EAX	62 hr
Apr 9, 8:04 PM CDT	River Flood Warning	EAX	53 hr
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
Apr 23, 6:49 PM CDT	Special Weather Statement	EAX	26 min
Apr 23, 7:23 PM CDT	Special Weather Statement	EAX	22 min
Apr 26, 8:44 AM CDT	Wind Advisory	EAX	11 hr
Apr 28, 8:26 AM CDT	River Flood Warning	EAX	67 hr
Apr 28, 4:48 PM CDT	Areal Flood Advisory	EAX	3 hr
Apr 28, 7:46 PM CDT	Areal Flood Warning	EAX	11 hr
Apr 28, 10:26 PM CDT	Areal Flood Advisory	EAX	8 hr
Apr 29, 6:12 AM CDT	River Flood Warning	EAX	13 hr
May 8, 9:15 PM CDT	Mesoscale Discussion	SPC	2 hr
May 8, 9:51 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
May 8, 11:25 PM CDT	Mesoscale Discussion	SPC	2 hr
May 9, 1:00 AM CDT	Special Weather Statement	EAX	45 min
May 9, 1:27 AM CDT	Severe Thunderstorm Warning	EAX	33 min
May 9, 1:37 AM CDT	Special Weather Statement	EAX	38 min
May 9, 1:39 AM CDT	Mesoscale Discussion	SPC	96 min
May 9, 5:09 AM CDT	Special Weather Statement	EAX	51 min
May 9, 1:25 PM CDT	River Flood Warning	EAX	10 hr
May 15, 9:25 PM CDT	River Flood Warning	EAX	5 days
May 16, 1:27 PM CDT	Mesoscale Discussion	SPC	93 min
May 16, 5:49 PM CDT	Mesoscale Discussion	SPC	86 min
May 17, 12:21 AM CDT	River Flood Warning	EAX	53 hr
May 27, 1:20 AM CDT	River Flood Warning	EAX	4 days
May 27, 1:20 AM CDT	River Flood Warning	EAX	39 hr
May 27, 8:31 AM CDT	Areal Flood Advisory	EAX	31 min
May 27, 9:02 AM CDT	Flash Flood Warning	EAX	3 hr
May 27, 10:50 AM CDT	Flash Flood Watch	EAX	8 hr
May 27, 11:46 AM CDT	Areal Flood Warning	EAX	9 hr
May 27, 6:03 PM CDT	Mesoscale Discussion	SPC	87 min
Jun 11, 12:32 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 11, 2:52 PM CDT	Mesoscale Discussion	SPC	113 min
Jun 11, 4:14 PM CDT	Severe Thunderstorm Warning	EAX	46 min
Jun 11, 4:25 PM CDT	Severe Thunderstorm Warning	EAX	35 min
Jun 11, 4:42 PM CDT	Severe Thunderstorm Warning	EAX	33 min
Jun 11, 5:08 PM CDT	Severe Thunderstorm Warning	EAX	37 min
Jun 11, 5:39 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 16, 2:47 PM CDT	Heat Advisory	EAX	53 hr
Jun 20, 2:02 PM CDT	Mesoscale Discussion	SPC	118 min
Jun 20, 9:29 PM CDT	Severe Thunderstorm Warning	EAX	20 min
Jun 20, 9:56 PM CDT	Mesoscale Discussion	SPC	64 min
Jun 23, 1:39 PM CDT	Flash Flood Watch	EAX	3 days
Jun 24, 8:33 PM CDT	Mesoscale Discussion	SPC	87 min
Jun 24, 8:57 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 24, 9:35 PM CDT	River Flood Warning	EAX	71 hr
Jun 25, 8:40 AM CDT	River Flood Warning	EAX	8 days
Jun 25, 11:56 AM CDT	Mesoscale Discussion	SPC	3 hr
Jun 25, 1:43 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Jun 25, 3:13 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 25, 3:42 PM CDT	Severe Thunderstorm Warning	EAX	33 min
Jun 25, 4:31 PM CDT	Severe Thunderstorm Warning	EAX	44 min
Jun 25, 4:52 PM CDT	Tornado Warning	EAX	23 min
Jun 25, 4:56 PM CDT	Severe Thunderstorm Warning	EAX	49 min
Jun 25, 4:57 PM CDT	Flash Flood Warning	EAX	6 hr
Jun 25, 10:01 PM CDT	Areal Flood Warning	EAX	18 hr
Jun 28, 3:09 AM CDT	Flash Flood Watch	EAX	3 days
Jun 28, 9:53 AM CDT	River Flood Warning	EAX	4 days
Jun 30, 12:04 PM CDT	Flash Flood Warning	EAX	4 hr
Jun 30, 2:33 PM CDT	Flash Flood Warning	EAX	4 hr
Jun 30, 3:54 PM CDT	Areal Flood Warning	EAX	14 hr
Jul 10, 2:51 AM CDT	Special Weather Statement	EAX	39 min
Jul 10, 2:57 AM CDT	Mesoscale Discussion	SPC	93 min
Jul 10, 3:32 AM CDT	Special Weather Statement	EAX	43 min
Jul 10, 5:30 AM CDT	River Flood Warning	EAX	2 hr
Jul 10, 7:48 PM CDT	Severe Thunderstorm Warning	EAX	27 min
Jul 10, 8:11 PM CDT	Severe Thunderstorm Warning	EAX	22 min
Jul 15, 2:32 PM CDT	Mesoscale Discussion	SPC	118 min
Jul 26, 3:37 AM CDT	Heat Advisory	EAX	4 days
Jul 29, 2:55 PM CDT	Excessive Heat Warning	EAX	29 hr
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, 4:49 AM CDT	Mesoscale Discussion	SPC	86 min
Aug 12, 3:30 PM CDT	Mesoscale Discussion	SPC	90 min
Aug 12, 4:42 PM CDT	Severe Thunderstorm Warning	EAX	33 min
Aug 12, 5:11 PM CDT	Severe Thunderstorm Warning	EAX	34 min
Aug 12, 5:19 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Aug 12, 5:37 PM CDT	Severe Thunderstorm Warning	EAX	8 min
Aug 12, 5:43 PM CDT	Severe Thunderstorm Warning	EAX	32 min
Aug 12, 8:53 PM CDT	Severe Thunderstorm Warning	EAX	15 min
Aug 12, 10:20 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 17, 4:04 PM CDT	Special Weather Statement	EAX	41 min
Aug 17, 4:41 PM CDT	Special Weather Statement	EAX	34 min
Aug 20, 11:18 PM CDT	Special Weather Statement	EAX	42 min
Aug 20, 11:39 PM CDT	Mesoscale Discussion	SPC	2 hr
Aug 22, 2:54 PM CDT	Heat Advisory	EAX	4 days
Sep 3, 3:37 AM CDT	Flash Flood Watch	EAX	33 hr
Sep 3, 10:13 PM CDT	River Flood Warning	EAX	33 hr
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
Oct 6, 8:42 PM CDT	Dense Fog Advisory	EAX	12 hr
Oct 13, 7:34 AM CDT	Mesoscale Discussion	SPC	116 min
Oct 24, 12:40 PM CDT	Mesoscale Discussion	SPC	3 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, 4:07 PM CDT	Special Weather Statement	EAX	23 min
Oct 24, 4:29 PM CDT	Severe Thunderstorm Warning	EAX	31 min
Oct 27, 9:37 AM CDT	River Flood Warning	EAX	29 hr
Nov 10, 5:29 PM CST	Mesoscale Discussion	SPC	2 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, 6:43 PM CST	Severe Thunderstorm Warning Considerable damage threat	EAX	47 min
Dec 15, 7:08 PM CST	Severe Thunderstorm Warning Considerable damage threat	EAX	82 min
Dec 15, 7:14 PM CST	Mesoscale Discussion	SPC	91 min

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	21
Tornado Warning	3
Severe Thunderstorm Watch	9
Tornado Watch	1
Mesoscale Discussion	33
Special Weather Statement	11
Flooding
Areal Flood Warning	4
Flash Flood Warning	4
River Flood Warning	19
Flash Flood Watch	4
Flood Watch	1
Areal Flood Advisory	3
Winter
Winter Weather Advisory	8
Heat
Excessive Heat Warning	1
Heat Advisory	4
Cold
Freeze Warning	3
Wind Chill Warning	1
Freeze Watch	1
Frost Advisory	2
Wind Chill Advisory	2
Wind and dust
Wind Advisory	4
Fire
Red Flag Warning	2
Fire Weather Watch	1
Fog and smoke
Dense Fog Advisory	7

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.