Weather alerts in Sioux County, Nebraska, 2011

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

Sioux County and its neighbors

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

Alerts: 167
Warnings: 56
Watches: 29
Advisories: 36
Busiest month: June42 alerts
Busiest day: June 16, 20118 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
Dec 31, 8:57 PM MST	Wind Chill Warning	CYS	13 hr
Jan 1, 3:50 AM MST	Wind Chill Advisory	CYS	7 hr
Jan 7, 8:30 PM MST	Winter Storm Watch	CYS	18 hr
Jan 8, 2:59 PM MST	Winter Weather Advisory	CYS	32 hr
Jan 9, 6:34 PM MST	Wind Chill Advisory	CYS	9 hr
Jan 10, 3:02 PM MST	Wind Chill Advisory	CYS	18 hr
Jan 18, 3:52 PM MST	Winter Weather Advisory	CYS	23 hr
Jan 24, 6:19 AM MST	Wind Advisory	CYS	8 hr
Jan 30, 2:38 PM MST	Wind Chill Watch	CYS	14 hr
Jan 30, 2:38 PM MST	Winter Weather Advisory	CYS	23 hr
Jan 31, 4:08 AM MST	Wind Chill Warning	CYS	54 hr
Feb 6, 4:46 AM MST	Wind Advisory	CYS	13 hr
Feb 7, 4:45 AM MST	Winter Weather Advisory	CYS	33 hr
Feb 8, 2:57 PM MST	Wind Chill Warning	CYS	19 hr
Feb 9, 2:46 PM MST	Wind Chill Advisory	CYS	17 hr
Feb 12, 2:22 PM MST	Wind Advisory	CYS	28 hr
Feb 17, 12:22 AM MST	Wind Advisory	CYS	17 hr
Feb 19, 4:08 AM MST	Winter Storm Watch	CYS	10 hr
Feb 19, 2:31 PM MST	Winter Storm Warning	CYS	16 hr
Feb 19, 2:31 PM MST	Winter Weather Advisory	CYS	26 hr
Feb 24, 3:28 AM MST	Winter Storm Warning	CYS	41 hr
Feb 24, 3:28 AM MST	Winter Weather Advisory	CYS	51 hr
Mar 5, 3:47 PM MST	Winter Storm Watch	CYS	11 hr
Mar 6, 2:32 AM MST	Winter Weather Advisory	CYS	27 hr
Mar 11, 2:39 AM MST	Wind Advisory	CYS	14 hr
Mar 21, 3:11 PM MDT	Wind Advisory	CYS	29 hr
Mar 23, 8:34 AM MDT	Wind Advisory	CYS	9 hr
Mar 30, 5:00 AM MDT	High Wind Watch	CYS	22 hr
Mar 31, 2:57 AM MDT	Wind Advisory	CYS	15 hr
Apr 5, 4:48 AM MDT	Wind Advisory	CYS	14 hr
Apr 14, 9:44 PM MDT	Wind Advisory	CYS	20 hr
Apr 20, 2:37 PM MDT	High Wind Watch	CYS	19 hr
Apr 21, 9:40 AM MDT	High Wind Warning	CYS	34 hr
Apr 29, 3:34 AM MDT	Wind Advisory	CYS	11 hr
Apr 30, 4:15 AM MDT	Wind Advisory	CYS	15 hr
May 9, 2:26 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
May 9, 4:57 PM MDT	Mesoscale Discussion	SPC	93 min
May 9, 6:03 PM MDT	Severe Thunderstorm Warning	CYS	57 min
May 9, 6:55 PM MDT	Tornado Warning	CYS	35 min
May 9, 7:32 PM MDT	Tornado Warning	CYS	43 min
May 9, 7:53 PM MDT	Tornado Warning	CYS	28 min
May 9, 8:16 PM MDT	Mesoscale Discussion	SPC	29 min
May 12, 1:05 AM MDT	Wind Advisory	CYS	14 hr
May 17, 3:26 PM MDT	Flood Watch	CYS	64 hr
May 23, 3:01 PM MDT	Flash Flood Watch	CYS	38 hr
May 29, 4:48 PM MDT	Dense Fog Advisory	CYS	16 hr
Jun 6, 3:50 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 9, 1:43 PM MDT	Severe Thunderstorm Warning	CYS	23 min
Jun 9, 7:09 PM MDT	Mesoscale Discussion	SPC	96 min
Jun 11, 1:40 PM MDT	Mesoscale Discussion	SPC	2 hr
Jun 11, 3:35 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 11, 4:58 PM MDT	Severe Thunderstorm Warning	CYS	62 min
Jun 11, 5:30 PM MDT	Severe Thunderstorm Warning	CYS	31 min
Jun 11, 6:07 PM MDT	Mesoscale Discussion	SPC	53 min
Jun 12, 12:52 PM MDT	Mesoscale Discussion	SPC	53 min
Jun 12, 3:53 PM MDT	Mesoscale Discussion	SPC	67 min
Jun 13, 1:53 PM MDT	Mesoscale Discussion	SPC	2 hr
Jun 13, 4:01 PM MDT	Severe Thunderstorm Warning	CYS	59 min
Jun 13, 4:24 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 13, 5:07 PM MDT	Severe Thunderstorm Warning	CYS	53 min
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, 2:28 PM MDT	Severe Thunderstorm Warning	CYS	23 min
Jun 16, 2:55 PM MDT	Severe Thunderstorm Warning	CYS	43 min
Jun 16, 3:23 PM MDT	Flash Flood Warning	CYS	12 hr
Jun 16, 3:36 PM MDT	Severe Thunderstorm Warning	CYS	39 min
Jun 16, 4:09 PM MDT	Severe Thunderstorm Warning	CYS	51 min
Jun 16, 4:19 PM MDT	Flash Flood Warning	CYS	6 hr
Jun 17, 3:32 AM MDT	Areal Flood Warning	CYS	8 hr
Jun 18, 1:51 PM MDT	Severe Thunderstorm Warning	CYS	26 min
Jun 18, 1:57 PM MDT	Tornado Warning	CYS	17 min
Jun 18, 6:23 PM MDT	Flash Flood Watch	CYS	45 hr
Jun 24, 1:25 PM MDT	Mesoscale Discussion	SPC	65 min
Jun 24, 1:52 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 24, 4:29 PM MDT	Severe Thunderstorm Warning	CYS	46 min
Jun 24, 8:19 PM MDT	Severe Thunderstorm Warning	CYS	22 min
Jun 25, 1:24 PM MDT	Mesoscale Discussion	SPC	96 min
Jun 25, 5:21 PM MDT	Mesoscale Discussion	SPC	84 min
Jun 25, 7:12 PM MDT	Severe Thunderstorm Warning	CYS	46 min
Jun 25, 7:55 PM MDT	Severe Thunderstorm Warning	CYS	48 min
Jun 26, 1:30 PM MDT	Mesoscale Discussion	SPC	2 hr
Jun 26, 6:11 PM MDT	Severe Thunderstorm Warning	CYS	37 min
Jun 26, 6:45 PM MDT	Severe Thunderstorm Warning	CYS	45 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, 2:03 PM MDT	Severe Thunderstorm Warning	CYS	24 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, 2:47 PM MDT	Mesoscale Discussion	SPC	58 min
Jul 2, 12:17 PM MDT	Mesoscale Discussion	SPC	58 min
Jul 2, 2:13 PM MDT	Tornado Watch	SPC	8 hr
Jul 2, 4:59 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 2, 5:40 PM MDT	Severe Thunderstorm Warning	CYS	38 min
Jul 2, 6:44 PM MDT	Severe Thunderstorm Warning	CYS	61 min
Jul 2, 6:48 PM MDT	Mesoscale Discussion	SPC	117 min
Jul 2, 6:56 PM MDT	Tornado Warning	CYS	49 min
Jul 2, 7:23 PM MDT	Tornado Warning	CYS	37 min
Jul 2, 7:41 PM MDT	Severe Thunderstorm Warning	CYS	49 min
Jul 4, 4:35 PM MDT	Severe Thunderstorm Warning	CYS	12 min
Jul 4, 4:45 PM MDT	Tornado Warning	CYS	27 min
Jul 4, 5:08 PM MDT	Tornado Warning	CYS	37 min
Jul 4, 5:41 PM MDT	Flash Flood Warning	CYS	2 hr
Jul 6, 2:56 PM MDT	Severe Thunderstorm Watch	SPC	8 hr
Jul 6, 3:19 PM MDT	Areal Flood Advisory	CYS	75 min
Jul 6, 3:44 PM MDT	Flash Flood Warning	CYS	3 hr
Jul 6, 4:59 PM MDT	Areal Flood Advisory	CYS	3 hr
Jul 8, 3:29 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 8, 3:48 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 11, 1:50 PM MDT	Mesoscale Discussion	SPC	85 min
Jul 11, 2:07 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 11, 3:44 PM MDT	Tornado Warning	CYS	46 min
Jul 11, 4:06 PM MDT	Tornado Watch	SPC	5 hr
Jul 11, 4:24 PM MDT	Severe Thunderstorm Warning	CYS	51 min
Jul 11, 5:08 PM MDT	Severe Thunderstorm Warning	CYS	26 min
Jul 13, 10:26 PM MDT	Severe Thunderstorm Warning	CYS	32 min
Jul 16, 3:47 PM MDT	Mesoscale Discussion	SPC	58 min
Jul 16, 4:42 PM MDT	Severe Thunderstorm Warning	CYS	27 min
Jul 16, 5:51 PM MDT	Severe Thunderstorm Warning	CYS	27 min
Jul 24, 2:06 PM MDT	Mesoscale Discussion	SPC	84 min
Jul 25, 1:32 PM MDT	Mesoscale Discussion	SPC	88 min
Jul 25, 5:52 PM MDT	Severe Thunderstorm Warning	CYS	68 min
Jul 29, 12:59 PM MDT	Mesoscale Discussion	SPC	91 min
Jul 29, 1:54 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 29, 4:46 PM MDT	Mesoscale Discussion	SPC	59 min
Aug 3, 1:01 PM MDT	Mesoscale Discussion	SPC	89 min
Aug 4, 3:56 PM MDT	Severe Thunderstorm Warning	CYS	60 min
Aug 5, 4:25 PM MDT	Mesoscale Discussion	SPC	2 hr
Aug 6, 7:54 PM MDT	Special Weather Statement	CYS	51 min
Aug 8, 2:09 PM MDT	Mesoscale Discussion	SPC	66 min
Aug 8, 3:52 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Aug 8, 5:27 PM MDT	Mesoscale Discussion	SPC	2 hr
Aug 9, 9:25 AM MDT	Mesoscale Discussion	SPC	95 min
Aug 9, 5:02 PM MDT	Mesoscale Discussion	SPC	118 min
Aug 10, 1:39 PM MDT	Special Weather Statement	CYS	66 min
Aug 10, 2:23 PM MDT	Severe Thunderstorm Warning	CYS	67 min
Aug 10, 3:23 PM MDT	Severe Thunderstorm Warning	CYS	67 min
Aug 10, 3:42 PM MDT	Mesoscale Discussion	SPC	63 min
Aug 10, 4:03 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Aug 12, 6:46 PM MDT	Special Weather Statement	CYS	59 min
Aug 14, 1:59 PM MDT	Mesoscale Discussion	SPC	91 min
Aug 14, 2:29 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Aug 14, 6:44 PM MDT	Mesoscale Discussion	SPC	91 min
Aug 19, 4:01 PM MDT	Mesoscale Discussion	SPC	59 min
Aug 21, 6:02 PM MDT	Special Weather Statement	CYS	43 min
Aug 25, 3:59 PM MDT	Mesoscale Discussion	SPC	91 min
Aug 29, 1:05 PM MDT	Mesoscale Discussion	SPC	85 min
Aug 29, 2:42 PM MDT	Severe Thunderstorm Warning	CYS	63 min
Aug 29, 3:41 PM MDT	Severe Thunderstorm Warning	CYS	64 min
Sep 20, 7:51 PM MDT	Frost Advisory	CYS	12 hr
Oct 5, 2:53 PM MDT	Wind Advisory	CYS	29 hr
Oct 6, 2:19 PM MDT	Mesoscale Discussion	SPC	116 min
Oct 6, 2:32 PM MDT	Severe Thunderstorm Watch	SPC	9 hr
Oct 6, 4:55 PM MDT	Mesoscale Discussion	SPC	95 min
Oct 7, 10:21 AM MDT	Wind Advisory	CYS	6 hr
Oct 31, 3:07 AM MDT	Winter Storm Watch	CYS	12 hr
Oct 31, 2:52 PM MDT	Winter Storm Warning	CYS	42 hr
Nov 12, 2:47 PM MST	Wind Advisory	CYS	15 hr
Nov 24, 2:50 PM MST	High Wind Watch	CYS	24 hr
Nov 24, 2:50 PM MST	Wind Advisory	CYS	39 hr
Nov 25, 2:21 PM MST	High Wind Warning	CYS	21 hr
Nov 26, 11:05 AM MST	Wind Advisory	CYS	6 hr
Nov 30, 3:31 AM MST	Winter Weather Advisory	CYS	31 hr
Dec 20, 2:42 PM MST	Winter Weather Advisory	CYS	40 hr
Dec 29, 2:05 AM MST	Wind Advisory	CYS	18 hr
Dec 29, 8:59 PM MST	High Wind Watch	CYS	15 hr
Dec 30, 11:29 AM MST	High Wind Warning	CYS	29 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	33
Tornado Warning	9
Severe Thunderstorm Watch	15
Tornado Watch	2
Mesoscale Discussion	42
Special Weather Statement	4
Flooding
Areal Flood Warning	1
Flash Flood Warning	4
Flash Flood Watch	2
Flood Watch	1
Areal Flood Advisory	2
Winter
Winter Storm Warning	3
Winter Storm Watch	4
Winter Weather Advisory	9
Cold
Wind Chill Warning	3
Wind Chill Watch	1
Frost Advisory	1
Wind Chill Advisory	4
Wind and dust
High Wind Warning	3
High Wind Watch	4
Wind Advisory	19
Fog and smoke
Dense Fog Advisory	1

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.