Alert archive / Colorado / Washington County

Weather alerts in Washington County, Colorado, 2021

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

Washington County and its neighbors

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

Alerts: 151
Warnings: 55
Watches: 23
Advisories: 22
Busiest month: May48 alerts
Busiest day: May 23, 202117 alerts

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Lasted
Jan 11, 8:11 PM MST	High Wind Watch	BOU	30 hr
Jan 13, 1:46 AM MST	High Wind Warning	BOU	63 hr
Jan 14, 1:25 PM MST	Red Flag Warning	BOU	28 hr
Jan 15, 10:04 AM MST	Blowing Dust Warning	BOU	4 hr
Jan 25, 2:34 AM MST	Winter Weather Advisory	BOU	8 hr
Feb 11, 1:17 PM MST	Wind Chill Advisory	BOU	28 min
Feb 11, 1:45 PM MST	Wind Chill Advisory	BOU	4 days
Feb 12, 8:46 PM MST	Winter Weather Advisory	BOU	40 hr
Feb 14, 2:48 PM MST	Wind Chill Warning	BOU	20 hr
Mar 5, 2:51 PM MST	Red Flag Warning	BOU	27 hr
Mar 10, 2:40 PM MST	Winter Storm Watch	BOU	48 hr
Mar 12, 2:17 PM MST	Winter Weather Advisory	BOU	63 hr
Mar 15, 2:41 PM MDT	Dense Fog Advisory	BOU	25 min
Mar 15, 3:07 PM MDT	Dense Fog Advisory	BOU	19 hr
Mar 27, 5:51 AM MDT	Special Weather Statement	BOU	54 min
Mar 28, 11:58 AM MDT	Red Flag Warning	BOU	31 hr
Mar 28, 2:08 PM MDT	High Wind Watch	BOU	19 hr
Apr 7, 3:36 AM MDT	Fire Weather Watch	BOU	11 hr
Apr 7, 2:49 PM MDT	Red Flag Warning	BOU	28 hr
Apr 14, 3:03 PM MDT	Winter Weather Advisory	BOU	45 hr
Apr 18, 1:56 PM MDT	Winter Weather Advisory	BOU	37 hr
Apr 24, 3:17 PM MDT	Fire Weather Watch	BOU	36 hr
Apr 25, 1:53 PM MDT	Red Flag Warning	BOU	30 hr
Apr 27, 1:52 AM MDT	Severe Thunderstorm Warning	BOU	23 min
Apr 27, 11:15 AM MDT	Mesoscale Discussion	SPC	3 hr
Apr 27, 11:45 AM MDT	Severe Thunderstorm Watch	SPC	7 hr
Apr 27, 2:32 PM MDT	Mesoscale Discussion	SPC	118 min
Apr 27, 3:13 PM MDT	Severe Thunderstorm Warning	BOU	32 min
Apr 27, 4:16 PM MDT	Severe Thunderstorm Warning	BOU	17 min
Apr 27, 4:24 PM MDT	Mesoscale Discussion	SPC	2 hr
Apr 27, 5:19 PM MDT	Severe Thunderstorm Warning	BOU	26 min
May 2, 11:45 AM MDT	Severe Thunderstorm Watch	SPC	7 hr
May 2, 1:15 PM MDT	Mesoscale Discussion	SPC	90 min
May 2, 1:17 PM MDT	Severe Thunderstorm Warning	BOU	28 min
May 7, 7:13 PM MDT	Special Weather Statement	BOU	32 min
May 8, 2:59 PM MDT	Mesoscale Discussion	SPC	2 hr
May 8, 5:45 PM MDT	Special Weather Statement	BOU	30 min
May 12, 4:28 PM MDT	Severe Thunderstorm Warning	BOU	32 min
May 14, 1:56 PM MDT	Mesoscale Discussion	SPC	2 hr
May 14, 3:26 PM MDT	Special Weather Statement	BOU	49 min
May 14, 3:46 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
May 14, 4:53 PM MDT	Special Weather Statement	BOU	37 min
May 14, 5:20 PM MDT	Severe Thunderstorm Warning	BOU	25 min
May 14, 7:17 PM MDT	Severe Thunderstorm Warning	BOU	28 min
May 14, 7:40 PM MDT	Severe Thunderstorm Warning	BOU	50 min
May 14, 9:29 PM MDT	Severe Thunderstorm Warning	BOU	46 min
May 15, 1:57 PM MDT	Mesoscale Discussion	SPC	2 hr
May 16, 4:11 PM MDT	Mesoscale Discussion	SPC	94 min
May 21, 2:54 PM MDT	Mesoscale Discussion	SPC	3 hr
May 21, 3:51 PM MDT	Severe Thunderstorm Warning	BOU	24 min
May 21, 4:17 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
May 21, 6:30 PM MDT	Mesoscale Discussion	SPC	90 min
May 22, 10:51 AM MDT	Mesoscale Discussion	SPC	114 min
May 22, 12:20 PM MDT	Tornado Watch	SPC	8 hr
May 22, 1:11 PM MDT	Severe Thunderstorm Warning	BOU	49 min
May 22, 1:34 PM MDT	Mesoscale Discussion	SPC	116 min
May 22, 1:54 PM MDT	Tornado Warning Tornado observed	BOU	36 min
May 22, 1:58 PM MDT	Severe Thunderstorm Warning	BOU	33 min
May 22, 4:51 PM MDT	Mesoscale Discussion	SPC	114 min
May 22, 6:06 PM MDT	Tornado Warning	BOU	24 min
May 23, 10:53 AM MDT	Mesoscale Discussion	SPC	2 hr
May 23, 12:06 PM MDT	Tornado Watch	SPC	8 hr
May 23, 1:47 PM MDT	Tornado Warning	BOU	28 min
May 23, 1:57 PM MDT	Mesoscale Discussion	SPC	2 hr
May 23, 2:13 PM MDT	Tornado Warning	BOU	32 min
May 23, 2:44 PM MDT	Severe Thunderstorm Warning	BOU	31 min
May 23, 2:55 PM MDT	Tornado Warning	BOU	20 min
May 23, 3:11 PM MDT	Tornado Warning	BOU	34 min
May 23, 3:14 PM MDT	Severe Thunderstorm Warning	BOU	46 min
May 23, 4:06 PM MDT	Areal Flood Advisory	BOU	3 hr
May 23, 4:37 PM MDT	Mesoscale Discussion	SPC	113 min
May 23, 4:43 PM MDT	Tornado Warning	BOU	17 min
May 23, 4:58 PM MDT	Tornado Warning	BOU	17 min
May 23, 5:12 PM MDT	Areal Flood Advisory	BOU	104 min
May 23, 5:13 PM MDT	Severe Thunderstorm Warning	BOU	32 min
May 23, 5:31 PM MDT	Tornado Warning	BOU	14 min
May 24, 6:23 AM MDT	Dense Fog Advisory	BOU	3 hr
May 26, 3:42 PM MDT	Tornado Watch PDS	SPC	8 hr
May 29, 6:20 AM MDT	Dense Fog Advisory	BOU	100 min
Jun 1, 1:14 PM MDT	Mesoscale Discussion	SPC	2 hr
Jun 14, 2:51 PM MDT	Mesoscale Discussion	SPC	114 min
Jun 16, 6:02 PM MDT	Special Weather Statement	BOU	28 min
Jun 19, 12:46 PM MDT	Mesoscale Discussion	SPC	89 min
Jun 19, 1:44 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 19, 3:24 PM MDT	Mesoscale Discussion	SPC	2 hr
Jun 19, 3:26 PM MDT	Severe Thunderstorm Warning	BOU	34 min
Jun 19, 3:33 PM MDT	Severe Thunderstorm Warning	BOU	27 min
Jun 19, 3:35 PM MDT	Special Weather Statement	BOU	55 min
Jun 19, 3:55 PM MDT	Severe Thunderstorm Warning	BOU	50 min
Jun 19, 4:00 PM MDT	Mesoscale Discussion	SPC	90 min
Jun 19, 4:12 PM MDT	Tornado Warning	BOU	33 min
Jun 19, 4:37 PM MDT	Severe Thunderstorm Warning	BOU	38 min
Jun 24, 1:49 PM MDT	Mesoscale Discussion	SPC	116 min
Jun 24, 2:17 PM MDT	Special Weather Statement	BOU	43 min
Jun 24, 3:22 PM MDT	Severe Thunderstorm Warning	BOU	38 min
Jun 24, 3:56 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 24, 4:02 PM MDT	Severe Thunderstorm Warning	BOU	43 min
Jun 24, 5:31 PM MDT	Mesoscale Discussion	SPC	119 min
Jun 25, 2:07 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 25, 4:54 PM MDT	Mesoscale Discussion	SPC	66 min
Jul 3, 1:53 PM MDT	Mesoscale Discussion	SPC	97 min
Jul 3, 3:33 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 3, 4:53 PM MDT	Severe Thunderstorm Warning	BOU	37 min
Jul 3, 5:29 PM MDT	Severe Thunderstorm Warning	BOU	31 min
Jul 3, 5:33 PM MDT	Mesoscale Discussion	SPC	87 min
Jul 3, 5:56 PM MDT	Severe Thunderstorm Warning	BOU	34 min
Jul 3, 6:01 PM MDT	Areal Flood Advisory	BOU	89 min
Jul 5, 8:08 PM MDT	Special Weather Statement	BOU	37 min
Jul 8, 5:59 PM MDT	Special Weather Statement	BOU	46 min
Jul 9, 1:38 PM MDT	Mesoscale Discussion	SPC	97 min
Jul 9, 2:16 PM MDT	Severe Thunderstorm Watch	SPC	9 hr
Jul 9, 7:49 PM MDT	Mesoscale Discussion	SPC	86 min
Jul 13, 1:38 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 15, 2:09 PM MDT	Mesoscale Discussion	SPC	3 hr
Jul 15, 3:19 PM MDT	Special Weather Statement	BOU	26 min
Jul 16, 3:02 PM MDT	Special Weather Statement	BOU	43 min
Jul 16, 3:24 PM MDT	Special Weather Statement	BOU	51 min
Jul 16, 5:29 PM MDT	Special Weather Statement	BOU	31 min
Jul 16, 6:05 PM MDT	Areal Flood Advisory	BOU	115 min
Jul 17, 2:40 PM MDT	Mesoscale Discussion	SPC	3 hr
Jul 17, 8:10 PM MDT	Severe Thunderstorm Warning	BOU	50 min
Jul 25, 1:58 PM MDT	Areal Flood Advisory	BOU	92 min
Aug 12, 10:51 PM MDT	Areal Flood Advisory	BOU	84 min
Aug 14, 3:28 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Aug 14, 8:43 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	47 min
Aug 14, 9:28 PM MDT	Severe Thunderstorm Warning	BOU	47 min
Aug 19, 12:00 PM MDT	Mesoscale Discussion	SPC	2 hr
Aug 19, 1:14 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Aug 19, 5:25 PM MDT	Tornado Watch	SPC	6 hr
Aug 30, 2:38 PM MDT	Special Weather Statement	BOU	37 min
Sep 3, 1:20 PM MDT	Mesoscale Discussion	SPC	55 min
Sep 12, 3:44 PM MDT	Mesoscale Discussion	SPC	91 min
Sep 14, 5:00 PM MDT	Special Weather Statement	BOU	45 min
Sep 16, 3:46 PM MDT	Mesoscale Discussion	SPC	119 min
Oct 12, 9:53 PM MDT	Freeze Warning	BOU	10 hr
Oct 13, 4:40 PM MDT	Frost Advisory	BOU	15 hr
Oct 14, 3:01 AM MDT	Freeze Warning	BOU	30 hr
Oct 23, 8:41 PM MDT	Dense Fog Advisory	BOU	8 hr
Oct 24, 6:22 AM MDT	Dense Fog Advisory	BOU	3 hr
Oct 26, 3:06 AM MDT	High Wind Watch	BOU	7 hr
Oct 26, 3:12 AM MDT	Red Flag Warning	BOU	15 hr
Oct 26, 9:51 AM MDT	High Wind Warning	BOU	14 hr
Nov 3, 2:54 AM MDT	Dense Fog Advisory	BOU	8 hr
Nov 5, 2:40 PM MDT	Red Flag Warning	BOU	27 hr
Dec 5, 3:21 AM MST	Red Flag Warning	BOU	12 hr
Dec 13, 2:20 PM MST	High Wind Watch	BOU	14 hr
Dec 14, 4:34 AM MST	High Wind Warning	BOU	36 hr
Dec 14, 12:17 PM MST	Red Flag Warning	BOU	29 hr
Dec 25, 3:25 AM MST	Fire Weather Watch	BOU	12 hr
Dec 26, 3:08 AM MST	High Wind Warning	BOU	14 hr
Dec 30, 1:57 PM MST	Winter Weather Advisory	BOU	45 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	28
Tornado Warning	10
Severe Thunderstorm Watch	11
Tornado Watch	4
Mesoscale Discussion	35
Special Weather Statement	16
Flooding
Areal Flood Advisory	6
Winter
Winter Storm Watch	1
Winter Weather Advisory	6
Cold
Freeze Warning	2
Wind Chill Warning	1
Frost Advisory	1
Wind Chill Advisory	2
Wind and dust
Blowing Dust Warning	1
High Wind Warning	4
High Wind Watch	4
Fire
Red Flag Warning	9
Fire Weather Watch	3
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.