Weather alerts in Weld County, Colorado, 2011

201 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Weld County and its neighbors

Each county as a circle sized by its count in 2011. Tap one for its archive.

Alerts: 201
Warnings: 87
Watches: 31
Advisories: 41
Busiest month: July65 alerts
Busiest day: July 13, 201116 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 7, 2:53 PM MST	Winter Storm Watch	BOU	25 hr
Jan 8, 3:52 PM MST	Winter Weather Advisory	BOU	41 hr
Jan 16, 2:44 PM MST	High Wind Warning	BOU	25 hr
Jan 30, 3:13 PM MST	Winter Weather Advisory	BOU	33 hr
Jan 31, 4:10 PM MST	Wind Chill Warning	BOU	44 hr
Feb 2, 2:47 PM MST	Wind Chill Advisory	BOU	17 hr
Feb 6, 3:52 PM MST	Winter Weather Advisory	BOU	44 hr
Mar 10, 4:37 AM MST	Fire Weather Watch	BOU	11 hr
Mar 10, 3:39 PM MST	Red Flag Warning	BOU	26 hr
Mar 15, 2:43 PM MDT	Fire Weather Watch	BOU	34 hr
Mar 15, 2:43 PM MDT	Red Flag Warning	BOU	29 hr
Mar 15, 2:43 PM MDT	Red Flag Warning	BOU	52 hr
Mar 17, 3:55 PM MDT	Winter Weather Advisory	BOU	12 hr
Mar 21, 4:31 AM MDT	Fire Weather Watch	BOU	10 hr
Mar 21, 2:45 PM MDT	Red Flag Warning	BOU	31 hr
Mar 22, 3:49 AM MDT	High Wind Watch	BOU	7 hr
Mar 22, 10:35 AM MDT	High Wind Warning	BOU	11 hr
Mar 27, 8:18 PM MDT	Dense Fog Advisory	BOU	13 hr
Mar 30, 4:03 PM MDT	Red Flag Warning	BOU	26 hr
Apr 1, 4:20 AM MDT	Fire Weather Watch	BOU	11 hr
Apr 1, 3:34 PM MDT	Red Flag Warning	BOU	44 hr
Apr 4, 3:51 PM MDT	Red Flag Warning	BOU	28 hr
Apr 7, 2:47 PM MDT	Fire Weather Watch	BOU	23 hr
Apr 8, 2:01 PM MDT	Red Flag Warning	BOU	31 hr
Apr 14, 11:04 AM MDT	High Wind Warning	BOU	29 hr
Apr 21, 3:54 PM MDT	High Wind Warning	BOU	24 hr
May 8, 4:02 PM MDT	Red Flag Warning	BOU	28 hr
May 18, 2:38 PM MDT	Severe Thunderstorm Warning	BOU	19 min
May 23, 2:17 PM MDT	Mesoscale Discussion	SPC	88 min
May 29, 3:35 PM MDT	High Wind Watch	BOU	14 hr
May 30, 1:12 PM MDT	Severe Thunderstorm Warning	BOU	20 min
May 30, 1:19 PM MDT	Mesoscale Discussion	SPC	56 min
May 30, 2:02 PM MDT	Severe Thunderstorm Warning	BOU	28 min
May 30, 2:20 PM MDT	Tornado Warning	BOU	25 min
May 30, 2:24 PM MDT	Tornado Warning	BOU	36 min
May 30, 3:00 PM MDT	Tornado Warning	BOU	30 min
Jun 1, 4:12 PM MDT	Red Flag Warning	BOU	28 hr
Jun 5, 3:11 PM MDT	Areal Flood Advisory	BOU	72 hr
Jun 8, 2:51 PM MDT	Mesoscale Discussion	SPC	84 min
Jun 8, 3:20 PM MDT	Areal Flood Advisory	BOU	6 days
Jun 8, 7:00 PM MDT	Severe Thunderstorm Warning	BOU	45 min
Jun 8, 8:25 PM MDT	Special Weather Statement	BOU	35 min
Jun 8, 8:32 PM MDT	Severe Thunderstorm Warning	BOU	43 min
Jun 8, 9:12 PM MDT	Severe Thunderstorm Warning	BOU	48 min
Jun 8, 10:38 PM MDT	Severe Thunderstorm Warning	BOU	52 min
Jun 9, 1:53 AM MDT	Severe Thunderstorm Warning	BOU	37 min
Jun 11, 3:04 PM MDT	Mesoscale Discussion	SPC	86 min
Jun 11, 3:35 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 11, 3:50 PM MDT	Severe Thunderstorm Warning	BOU	17 min
Jun 13, 1:53 PM MDT	Mesoscale Discussion	SPC	2 hr
Jun 16, 1:34 PM MDT	Mesoscale Discussion	SPC	56 min
Jun 16, 1:55 PM MDT	Severe Thunderstorm Watch	SPC	9 hr
Jun 16, 4:49 PM MDT	Mesoscale Discussion	SPC	86 min
Jun 16, 7:26 PM MDT	Mesoscale Discussion	SPC	64 min
Jun 16, 7:35 PM MDT	Severe Thunderstorm Warning	BOU	40 min
Jun 16, 8:07 PM MDT	Severe Thunderstorm Warning	BOU	23 min
Jun 18, 11:45 AM MDT	Mesoscale Discussion	SPC	2 hr
Jun 19, 4:47 AM MDT	Special Weather Statement	BOU	43 min
Jun 19, 12:31 PM MDT	Severe Thunderstorm Warning	BOU	29 min
Jun 19, 2:04 PM MDT	Tornado Watch	SPC	7 hr
Jun 19, 2:42 PM MDT	Severe Thunderstorm Warning	BOU	36 min
Jun 19, 2:45 PM MDT	Severe Thunderstorm Warning	BOU	32 min
Jun 19, 3:40 PM MDT	Severe Thunderstorm Warning	BOU	24 min
Jun 19, 3:47 PM MDT	Severe Thunderstorm Warning	BOU	43 min
Jun 19, 7:44 PM MDT	Severe Thunderstorm Warning	BOU	46 min
Jun 20, 10:54 AM MDT	River Flood Advisory	BOU	10 days
Jun 20, 10:54 AM MDT	River Flood Advisory	BOU	30 hr
Jun 24, 1:52 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 28, 2:29 PM MDT	Mesoscale Discussion	SPC	91 min
Jun 29, 5:05 PM MDT	Severe Thunderstorm Warning	BOU	40 min
Jun 30, 11:57 AM MDT	Mesoscale Discussion	SPC	63 min
Jun 30, 12:18 PM MDT	Severe Thunderstorm Watch	SPC	9 hr
Jun 30, 1:49 PM MDT	Mesoscale Discussion	SPC	116 min
Jun 30, 4:17 PM MDT	Mesoscale Discussion	SPC	118 min
Jun 30, 7:25 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 1, 12:16 PM MDT	River Flood Advisory	BOU	72 hr
Jul 2, 12:47 PM MDT	Mesoscale Discussion	SPC	58 min
Jul 2, 3:20 PM MDT	Severe Thunderstorm Watch	SPC	9 hr
Jul 2, 5:26 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 2, 7:40 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 5, 3:15 AM MDT	Flash Flood Watch	BOU	23 hr
Jul 6, 2:38 PM MDT	Mesoscale Discussion	SPC	67 min
Jul 6, 2:56 PM MDT	Severe Thunderstorm Watch	SPC	8 hr
Jul 6, 4:02 PM MDT	Special Weather Statement	BOU	28 min
Jul 6, 4:33 PM MDT	Tornado Warning	BOU	42 min
Jul 6, 5:06 PM MDT	Severe Thunderstorm Warning	BOU	39 min
Jul 6, 5:26 PM MDT	Severe Thunderstorm Warning	BOU	49 min
Jul 6, 6:06 PM MDT	Areal Flood Advisory	BOU	84 min
Jul 7, 4:46 PM MDT	Areal Flood Advisory	BOU	3 hr
Jul 7, 5:36 PM MDT	Areal Flood Advisory	BOU	84 min
Jul 8, 1:43 PM MDT	Mesoscale Discussion	SPC	92 min
Jul 8, 4:39 PM MDT	Severe Thunderstorm Warning	BOU	24 min
Jul 8, 7:18 PM MDT	Areal Flood Advisory	BOU	3 hr
Jul 8, 11:49 PM MDT	River Flood Advisory	BOU	5 hr
Jul 9, 2:13 PM MDT	Severe Thunderstorm Watch	SPC	8 hr
Jul 9, 4:56 PM MDT	Mesoscale Discussion	SPC	94 min
Jul 10, 2:12 PM MDT	Severe Thunderstorm Warning	BOU	48 min
Jul 10, 3:20 PM MDT	Special Weather Statement	BOU	55 min
Jul 11, 6:34 PM MDT	Severe Thunderstorm Warning	BOU	29 min
Jul 12, 3:49 AM MDT	Flash Flood Watch	BOU	25 hr
Jul 12, 2:07 PM MDT	Mesoscale Discussion	SPC	53 min
Jul 12, 7:23 PM MDT	Severe Thunderstorm Warning	BOU	52 min
Jul 12, 7:34 PM MDT	Tornado Warning	BOU	41 min
Jul 12, 7:48 PM MDT	Areal Flood Advisory	BOU	87 min
Jul 12, 8:05 PM MDT	Severe Thunderstorm Warning	BOU	40 min
Jul 12, 8:21 PM MDT	Severe Thunderstorm Warning	BOU	54 min
Jul 12, 8:44 PM MDT	Flash Flood Warning	BOU	2 hr
Jul 12, 9:04 PM MDT	Severe Thunderstorm Warning	BOU	56 min
Jul 12, 9:10 PM MDT	Tornado Warning	BOU	34 min
Jul 12, 9:59 PM MDT	Severe Thunderstorm Warning	BOU	61 min
Jul 12, 10:35 PM MDT	Areal Flood Advisory	BOU	115 min
Jul 12, 10:48 PM MDT	Flash Flood Warning	BOU	3 hr
Jul 13, 12:16 AM MDT	Flash Flood Warning	BOU	3 hr
Jul 13, 12:32 AM MDT	River Flood Advisory	BOU	47 hr
Jul 13, 12:37 AM MDT	Areal Flood Advisory	BOU	83 min
Jul 13, 2:23 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 13, 5:13 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 13, 7:59 PM MDT	Severe Thunderstorm Warning	BOU	28 min
Jul 13, 8:12 PM MDT	Mesoscale Discussion	SPC	63 min
Jul 13, 9:55 PM MDT	Severe Thunderstorm Warning	BOU	33 min
Jul 14, 5:25 AM MDT	Flash Flood Watch	BOU	16 hr
Jul 14, 11:03 AM MDT	Areal Flood Advisory	BOU	71 hr
Jul 14, 1:14 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 14, 2:43 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 14, 7:53 PM MDT	Severe Thunderstorm Warning	BOU	67 min
Jul 14, 8:05 PM MDT	Mesoscale Discussion	SPC	55 min
Jul 15, 9:40 PM MDT	Severe Thunderstorm Warning	BOU	50 min
Jul 15, 10:07 PM MDT	Severe Thunderstorm Warning	BOU	38 min
Jul 15, 10:45 PM MDT	Severe Thunderstorm Warning	BOU	45 min
Jul 15, 11:51 PM MDT	Special Weather Statement	BOU	24 min
Jul 16, 3:47 PM MDT	Mesoscale Discussion	SPC	58 min
Jul 16, 9:37 PM MDT	Severe Thunderstorm Warning	BOU	35 min
Jul 19, 5:11 PM MDT	Severe Thunderstorm Warning	BOU	49 min
Jul 19, 7:31 PM MDT	Special Weather Statement	BOU	29 min
Jul 24, 5:58 PM MDT	Severe Thunderstorm Warning	BOU	62 min
Jul 24, 6:52 PM MDT	Severe Thunderstorm Warning	BOU	38 min
Jul 24, 7:25 PM MDT	Severe Thunderstorm Warning	BOU	50 min
Jul 24, 8:07 PM MDT	Severe Thunderstorm Warning	BOU	45 min
Jul 25, 1:32 PM MDT	Mesoscale Discussion	SPC	88 min
Aug 2, 6:17 PM MDT	Areal Flood Advisory	BOU	88 min
Aug 4, 7:11 PM MDT	Areal Flood Advisory	BOU	64 min
Aug 6, 5:07 PM MDT	Areal Flood Advisory	BOU	83 min
Aug 9, 1:51 PM MDT	Tornado Watch	SPC	7 hr
Aug 9, 5:02 PM MDT	Mesoscale Discussion	SPC	118 min
Aug 9, 8:26 PM MDT	Mesoscale Discussion	SPC	64 min
Aug 10, 4:09 PM MDT	Severe Thunderstorm Warning	BOU	51 min
Aug 10, 5:05 PM MDT	Severe Thunderstorm Warning	BOU	55 min
Aug 10, 6:13 PM MDT	Severe Thunderstorm Warning	BOU	38 min
Aug 14, 2:17 PM MDT	Severe Thunderstorm Warning	BOU	43 min
Aug 14, 3:39 PM MDT	Severe Thunderstorm Warning	BOU	32 min
Aug 16, 1:48 PM MDT	Mesoscale Discussion	SPC	117 min
Aug 19, 4:01 PM MDT	Mesoscale Discussion	SPC	59 min
Aug 19, 5:15 PM MDT	Special Weather Statement	BOU	30 min
Aug 19, 5:42 PM MDT	Severe Thunderstorm Warning	BOU	48 min
Aug 19, 5:49 PM MDT	Areal Flood Advisory	BOU	86 min
Aug 19, 6:07 PM MDT	Tornado Warning	BOU	23 min
Aug 19, 6:28 PM MDT	Severe Thunderstorm Warning	BOU	25 min
Aug 20, 9:21 PM MDT	Severe Thunderstorm Warning	BOU	39 min
Aug 21, 5:21 PM MDT	Areal Flood Advisory	BOU	84 min
Aug 25, 3:59 PM MDT	Mesoscale Discussion	SPC	91 min
Aug 29, 1:10 AM MDT	Areal Flood Advisory	BOU	95 min
Aug 29, 1:05 PM MDT	Mesoscale Discussion	SPC	85 min
Aug 29, 5:11 PM MDT	Areal Flood Advisory	BOU	94 min
Sep 21, 4:00 PM MDT	Frost Advisory	BOU	16 hr
Sep 26, 10:45 AM MDT	Red Flag Warning	BOU	8 hr
Oct 4, 2:50 AM MDT	Red Flag Warning	BOU	15 hr
Oct 6, 4:27 AM MDT	Red Flag Warning	BOU	16 hr
Oct 8, 2:07 PM MDT	Freeze Warning	BOU	19 hr
Oct 9, 1:45 PM MDT	Frost Advisory	BOU	18 hr
Oct 12, 7:35 PM MDT	Frost Advisory	BOU	12 hr
Oct 14, 2:23 PM MDT	Fire Weather Watch	BOU	14 hr
Oct 15, 4:25 AM MDT	Red Flag Warning	BOU	16 hr
Oct 17, 4:49 AM MDT	Freeze Warning	BOU	27 hr
Oct 18, 10:40 AM MDT	Freeze Warning	BOU	21 hr
Oct 23, 3:29 PM MDT	Winter Storm Watch	BOU	36 hr
Oct 25, 3:49 AM MDT	Winter Storm Warning	BOU	37 hr
Oct 25, 5:56 PM MDT	Mesoscale Discussion	SPC	4 hr
Oct 27, 4:17 AM MDT	Dense Fog Advisory	BOU	5 hr
Oct 31, 5:02 AM MDT	Winter Storm Watch	BOU	24 hr
Nov 1, 5:12 AM MDT	Winter Weather Advisory	BOU	29 hr
Nov 1, 10:54 AM MDT	Winter Storm Warning	BOU	25 hr
Nov 1, 7:13 PM MDT	Mesoscale Discussion	SPC	5 hr
Nov 10, 3:23 PM MST	High Wind Watch	BOU	12 hr
Nov 11, 3:04 AM MST	High Wind Warning	BOU	51 hr
Nov 14, 9:46 AM MST	Red Flag Warning	BOU	7 hr
Nov 25, 3:38 AM MST	High Wind Watch	BOU	8 hr
Nov 25, 11:45 AM MST	High Wind Warning	BOU	24 hr
Nov 25, 1:34 PM MST	Fire Weather Watch	BOU	14 hr
Nov 29, 12:14 PM MST	Winter Storm Watch	BOU	23 hr
Nov 30, 11:27 AM MST	Winter Weather Advisory	BOU	27 hr
Dec 2, 4:48 AM MST	Dense Fog Advisory	BOU	5 hr
Dec 2, 7:57 PM MST	Winter Weather Advisory	BOU	18 hr
Dec 3, 3:20 PM MST	Winter Weather Advisory	BOU	32 hr
Dec 9, 3:48 AM MST	Dense Fog Advisory	BOU	5 hr
Dec 9, 7:20 PM MST	Dense Fog Advisory	BOU	8 hr
Dec 13, 2:18 AM MST	Dense Fog Advisory	BOU	9 hr
Dec 20, 2:00 PM MST	Winter Storm Watch	BOU	15 hr
Dec 21, 4:33 AM MST	Winter Weather Advisory	BOU	30 hr
Dec 28, 10:32 AM MST	High Wind Warning	BOU	30 hr
Dec 29, 3:03 PM MST	High Wind Watch	BOU	19 hr
Dec 30, 10:15 AM MST	High Wind Warning	BOU	31 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	48
Tornado Warning	7
Severe Thunderstorm Watch	9
Tornado Watch	2
Mesoscale Discussion	35
Special Weather Statement	7
Flooding
Flash Flood Warning	3
Flash Flood Watch	3
Areal Flood Advisory	17
River Flood Advisory	5
Winter
Winter Storm Warning	2
Winter Storm Watch	5
Winter Weather Advisory	9
Cold
Freeze Warning	3
Wind Chill Warning	1
Frost Advisory	3
Wind Chill Advisory	1
Wind and dust
High Wind Warning	8
High Wind Watch	5
Fire
Red Flag Warning	15
Fire Weather Watch	7
Fog and smoke
Dense Fog Advisory	6

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2010 2012

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.