Weather alerts in Johnson County, Kansas, 2020

149 weather alerts in 2020, 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 2020. Tap one for its archive.

Alerts: 149
Warnings: 46
Watches: 18
Advisories: 50
Busiest month: May25 alerts
Busiest day: June 4, 20209 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 9, 6:04 AM CST	Wind Advisory	EAX	9 hr
Jan 9, 3:27 PM CST	Winter Storm Watch	EAX	12 hr
Jan 10, 3:29 AM CST	Winter Storm Warning	EAX	38 hr
Jan 12, 3:53 PM CST	Winter Weather Advisory	EAX	5 hr
Jan 12, 10:05 PM CST	Dense Fog Advisory	EAX	13 hr
Jan 13, 8:13 PM CST	Dense Fog Advisory	EAX	13 hr
Jan 15, 2:51 PM CST	Winter Storm Watch	EAX	13 hr
Jan 16, 3:51 AM CST	Winter Weather Advisory	EAX	50 hr
Jan 17, 3:20 AM CST	Mesoscale Discussion	SPC	6 hr
Jan 21, 3:54 PM CST	Winter Weather Advisory	EAX	32 hr
Jan 23, 3:19 AM CST	Winter Weather Advisory	EAX	36 hr
Jan 26, 2:36 PM CST	Dense Fog Advisory	EAX	19 hr
Jan 28, 2:56 AM CST	Winter Weather Advisory	EAX	33 hr
Feb 3, 3:57 PM CST	Winter Weather Advisory	EAX	55 hr
Feb 11, 3:15 PM CST	Winter Weather Advisory	EAX	33 hr
Feb 12, 3:27 AM CST	Wind Chill Advisory	EAX	32 hr
Mar 4, 2:16 PM CST	Fire Weather Watch	EAX	12 hr
Mar 5, 2:17 AM CST	Red Flag Warning	EAX	16 hr
Mar 6, 2:58 PM CST	Fire Weather Watch	EAX	12 hr
Mar 7, 2:40 AM CST	Red Flag Warning	EAX	15 hr
Mar 23, 3:10 AM CDT	Dense Fog Advisory	EAX	7 hr
Mar 25, 4:49 AM CDT	Dense Fog Advisory	EAX	5 hr
Mar 26, 9:51 PM CDT	Mesoscale Discussion	SPC	84 min
Mar 26, 10:27 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Mar 26, 10:40 PM CDT	Special Weather Statement	EAX	35 min
Mar 27, 12:01 AM CDT	Special Weather Statement	EAX	44 min
Mar 27, 12:55 AM CDT	Areal Flood Advisory	EAX	3 hr
Mar 27, 1:05 AM CDT	Special Weather Statement	EAX	40 min
Mar 27, 1:17 AM CDT	Severe Thunderstorm Warning	EAX	28 min
Mar 27, 1:20 AM CDT	Mesoscale Discussion	SPC	85 min
Mar 28, 2:07 AM CDT	Dense Fog Advisory	EAX	7 hr
Mar 28, 4:10 AM CDT	Wind Advisory	EAX	25 hr
Apr 3, 3:11 PM CDT	Freeze Warning	EAX	18 hr
Apr 9, 2:39 AM CDT	Freeze Warning	EAX	30 hr
Apr 11, 5:35 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 11, 8:03 PM CDT	Mesoscale Discussion	SPC	57 min
Apr 12, 4:09 AM CDT	Freeze Warning	EAX	30 hr
Apr 12, 4:09 AM CDT	Wind Advisory	EAX	24 hr
Apr 13, 3:56 AM CDT	Freeze Warning	EAX	30 hr
Apr 17, 3:29 PM CDT	Freeze Warning	EAX	18 hr
Apr 24, 6:04 PM CDT	Special Weather Statement	EAX	56 min
Apr 28, 9:07 PM CDT	Special Weather Statement	EAX	53 min
Apr 28, 9:09 PM CDT	High Wind Warning	EAX	116 min
Apr 29, 3:19 AM CDT	Wind Advisory	EAX	16 hr
May 4, 6:33 AM CDT	Severe Thunderstorm Watch	SPC	12 hr
May 4, 9:00 AM CDT	Mesoscale Discussion	SPC	90 min
May 4, 9:39 AM CDT	Severe Thunderstorm Warning	EAX	36 min
May 4, 10:15 AM CDT	Severe Thunderstorm Warning	EAX	45 min
May 4, 10:38 AM CDT	Mesoscale Discussion	SPC	97 min
May 4, 11:09 AM CDT	Severe Thunderstorm Warning	EAX	51 min
May 4, 11:37 AM CDT	Severe Thunderstorm Warning	EAX	53 min
May 8, 3:06 AM CDT	Frost Advisory	EAX	29 hr
May 14, 3:20 AM CDT	Flash Flood Watch	EAX	25 hr
May 14, 4:24 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
May 14, 6:01 PM CDT	Mesoscale Discussion	SPC	119 min
May 14, 8:22 PM CDT	Mesoscale Discussion	SPC	113 min
May 14, 10:58 PM CDT	Mesoscale Discussion	SPC	2 hr
May 14, 11:17 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
May 24, 3:33 AM CDT	Flash Flood Watch	EAX	61 hr
May 24, 1:13 PM CDT	Mesoscale Discussion	SPC	92 min
May 24, 1:40 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
May 26, 2:23 AM CDT	Areal Flood Advisory	EAX	5 hr
May 27, 9:12 PM CDT	Areal Flood Advisory	EAX	6 hr
May 28, 12:20 PM CDT	Areal Flood Warning	EAX	24 hr
May 28, 2:04 PM CDT	Flash Flood Warning	EAX	3 hr
May 28, 2:53 PM CDT	River Flood Warning	EAX	29 hr
May 28, 3:14 PM CDT	River Flood Warning	EAX	30 hr
May 28, 3:14 PM CDT	River Flood Warning	EAX	2 hr
May 28, 3:14 PM CDT	River Flood Warning	EAX	2 hr
Jun 3, 9:38 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 3, 10:44 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 4, 12:54 AM CDT	Mesoscale Discussion	SPC	96 min
Jun 4, 1:09 AM CDT	Special Weather Statement	EAX	51 min
Jun 4, 1:41 AM CDT	Severe Thunderstorm Warning	EAX	34 min
Jun 4, 1:43 AM CDT	Severe Thunderstorm Warning	EAX	32 min
Jun 4, 1:52 AM CDT	Severe Thunderstorm Warning	EAX	38 min
Jun 4, 2:17 AM CDT	Special Weather Statement	EAX	43 min
Jun 4, 2:21 AM CDT	Severe Thunderstorm Warning	EAX	39 min
Jun 4, 11:32 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 5, 1:59 AM CDT	Mesoscale Discussion	SPC	91 min
Jun 5, 2:51 AM CDT	Severe Thunderstorm Warning	EAX	39 min
Jun 5, 2:57 AM CDT	Severe Thunderstorm Warning	EAX	48 min
Jun 5, 3:23 AM CDT	Severe Thunderstorm Warning	EAX	52 min
Jun 5, 3:36 AM CDT	Severe Thunderstorm Warning	EAX	39 min
Jun 5, 2:41 PM CDT	Heat Advisory	EAX	28 hr
Jun 9, 3:29 AM CDT	Wind Advisory	EAX	33 hr
Jun 26, 7:50 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 27, 1:28 AM CDT	Mesoscale Discussion	SPC	2 hr
Jun 27, 1:55 AM CDT	Special Weather Statement	EAX	50 min
Jun 27, 2:35 AM CDT	Severe Thunderstorm Warning	EAX	40 min
Jun 27, 3:08 AM CDT	Severe Thunderstorm Warning	EAX	37 min
Jun 27, 3:22 AM CDT	Mesoscale Discussion	SPC	53 min
Jun 27, 4:25 AM CDT	Areal Flood Advisory	EAX	3 hr
Jun 30, 11:25 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 1, 5:01 AM CDT	Severe Thunderstorm Warning	EAX	44 min
Jul 1, 5:22 AM CDT	Severe Thunderstorm Warning	EAX	53 min
Jul 3, 4:31 PM CDT	Areal Flood Advisory	EAX	3 hr
Jul 3, 4:38 PM CDT	Severe Thunderstorm Warning	EAX	18 min
Jul 9, 1:09 AM CDT	Severe Thunderstorm Watch	SPC	11 hr
Jul 9, 2:30 AM CDT	Severe Thunderstorm Warning	EAX	45 min
Jul 9, 3:10 AM CDT	Mesoscale Discussion	SPC	2 hr
Jul 9, 3:28 AM CDT	Special Weather Statement	EAX	47 min
Jul 9, 4:08 AM CDT	Special Weather Statement	EAX	37 min
Jul 11, 12:43 PM CDT	Mesoscale Discussion	SPC	92 min
Jul 11, 1:35 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Jul 14, 3:23 AM CDT	Heat Advisory	EAX	17 hr
Jul 16, 10:38 AM CDT	Excessive Heat Warning	EAX	72 hr
Jul 19, 3:00 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 19, 4:26 PM CDT	Severe Thunderstorm Warning	EAX	17 min
Jul 19, 5:11 PM CDT	Severe Thunderstorm Warning	EAX	19 min
Jul 20, 7:56 AM CDT	Special Weather Statement	EAX	49 min
Jul 20, 8:41 AM CDT	Special Weather Statement	EAX	49 min
Jul 26, 3:53 AM CDT	Heat Advisory	EAX	15 hr
Jul 29, 8:17 PM CDT	Areal Flood Advisory	EAX	3 hr
Jul 30, 2:39 PM CDT	Flash Flood Warning	EAX	6 hr
Jul 30, 8:55 PM CDT	Areal Flood Warning	EAX	6 hr
Aug 8, 2:44 AM CDT	Heat Advisory	EAX	17 hr
Aug 9, 3:34 AM CDT	Heat Advisory	EAX	16 hr
Aug 31, 4:56 AM CDT	Mesoscale Discussion	SPC	2 hr
Aug 31, 6:10 AM CDT	Severe Thunderstorm Warning	EAX	35 min
Aug 31, 7:57 AM CDT	Severe Thunderstorm Warning	EAX	33 min
Aug 31, 8:23 AM CDT	Severe Thunderstorm Warning	EAX	52 min
Sep 2, 2:14 AM CDT	Dense Fog Advisory	EAX	7 hr
Sep 3, 2:23 AM CDT	Dense Fog Advisory	EAX	7 hr
Sep 27, 10:53 AM CDT	Mesoscale Discussion	SPC	97 min
Sep 27, 11:22 AM CDT	Special Weather Statement	EAX	38 min
Sep 27, 11:51 AM CDT	Severe Thunderstorm Warning	EAX	24 min
Sep 27, 12:09 PM CDT	Severe Thunderstorm Warning	EAX	36 min
Oct 11, 12:58 PM CDT	Wind Advisory	EAX	15 hr
Oct 15, 2:42 PM CDT	Frost Advisory	EAX	17 hr
Oct 16, 2:07 PM CDT	Wind Advisory	EAX	25 hr
Oct 21, 3:54 AM CDT	Dense Fog Advisory	EAX	7 hr
Oct 21, 3:08 PM CDT	Wind Advisory	EAX	26 hr
Oct 21, 9:15 PM CDT	Dense Fog Advisory	EAX	14 hr
Oct 23, 3:37 AM CDT	Freeze Warning	EAX	30 hr
Oct 25, 3:02 PM CDT	Winter Weather Advisory	EAX	40 hr
Oct 27, 11:01 AM CDT	Mesoscale Discussion	SPC	2 hr
Nov 6, 6:35 AM CST	Dense Fog Advisory	EAX	3 hr
Nov 14, 3:33 AM CST	Wind Advisory	EAX	35 hr
Nov 14, 10:51 AM CST	Wind Advisory	EAX	7 hr
Nov 18, 1:55 AM CST	Red Flag Warning	EAX	16 hr
Nov 18, 1:57 AM CST	Wind Advisory	EAX	16 hr
Nov 18, 2:34 PM CST	Wind Advisory	EAX	25 hr
Nov 26, 6:51 AM CST	Dense Fog Advisory	EAX	3 hr
Dec 7, 8:39 PM CST	Dense Fog Advisory	EAX	15 hr
Dec 18, 2:07 AM CST	Wind Advisory	EAX	15 hr
Dec 22, 2:03 PM CST	Wind Advisory	EAX	31 hr
Dec 28, 3:29 AM CST	Winter Weather Advisory	EAX	48 hr
Dec 29, 10:02 AM CST	Mesoscale Discussion	SPC	5 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	26
Severe Thunderstorm Watch	12
Mesoscale Discussion	22
Special Weather Statement	13
Flooding
Areal Flood Warning	2
Flash Flood Warning	2
River Flood Warning	4
Flash Flood Watch	2
Areal Flood Advisory	6
Winter
Winter Storm Warning	1
Winter Storm Watch	2
Winter Weather Advisory	9
Heat
Excessive Heat Warning	1
Heat Advisory	5
Cold
Freeze Warning	6
Frost Advisory	2
Wind Chill Advisory	1
Wind and dust
High Wind Warning	1
Wind Advisory	14
Fire
Red Flag Warning	3
Fire Weather Watch	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 2019 2021

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.