Alert archive / Iowa / Sioux County

Weather alerts in Sioux County, Iowa, 2015

113 weather alerts in 2015, 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 2015. Tap one for its archive.

Alerts
113
Warnings
26
Watches
22
Advisories
33
Busiest month
January19 alerts
Busiest day
June 22, 20156 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.

IssuedProductOfficeLasted
Jan 2, 3:25 PM CSTWind Chill AdvisoryFSD69 hr
Jan 3, 4:19 AM CSTWinter Weather AdvisoryFSD23 hr
Jan 3, 3:36 PM CSTWinter Storm WatchFSD37 hr
Jan 3, 6:28 PM CSTBlizzard WarningFSD7 hr
Jan 3, 6:28 PM CSTWinter Weather AdvisoryFSD9 hr
Jan 4, 3:15 PM CSTWinter Storm WarningFSD30 hr
Jan 5, 12:25 PM CSTMesoscale DiscussionSPC6 hr
Jan 5, 5:16 PM CSTWind Chill AdvisoryFSD19 hr
Jan 6, 4:25 AM CSTWind Chill AdvisoryFSD47 hr
Jan 7, 4:36 AM CSTBlizzard WatchFSD23 hr
Jan 7, 3:26 PM CSTWinter Weather AdvisoryFSD37 hr
Jan 8, 3:54 AM CSTWind Chill AdvisoryFSD30 hr
Jan 8, 1:39 PM CSTBlizzard WarningFSD8 hr
Jan 16, 2:58 PM CSTWind AdvisoryFSD25 hr
Jan 19, 5:07 AM CSTFreezing Rain AdvisoryFSD4 hr
Jan 27, 10:01 AM CSTDense Fog AdvisoryFSD3 hr
Jan 28, 12:36 PM CSTWind AdvisoryFSD20 hr
Jan 31, 3:50 AM CSTWinter Weather AdvisoryFSD35 hr
Jan 31, 9:53 AM CSTWinter Storm WarningFSD32 hr
Feb 9, 3:25 PM CSTFreezing Rain AdvisoryFSD23 hr
Feb 17, 2:54 AM CSTWind Chill AdvisoryFSD33 hr
Feb 20, 3:35 PM CSTWind Chill AdvisoryFSD44 hr
Feb 24, 2:51 PM CSTWinter Weather AdvisoryFSD24 hr
Feb 24, 2:55 PM CSTWinter Weather AdvisoryFSD24 hr
Feb 25, 3:11 PM CSTWind Chill AdvisoryFSD21 hr
Mar 28, 3:06 PM CDTWind AdvisoryFSD28 hr
Mar 31, 2:58 PM CDTWind AdvisoryFSD27 hr
Apr 1, 3:50 PM CDTMesoscale DiscussionSPC115 min
Apr 1, 5:57 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 12, 6:02 PM CDTSevere Thunderstorm WarningFSD28 min
Apr 12, 6:25 PM CDTSevere Thunderstorm WarningFSD50 min
Apr 20, 3:31 AM CDTWind AdvisoryFSD15 hr
Apr 22, 3:39 AM CDTFreeze WarningFSD28 hr
May 3, 3:41 PM CDTMesoscale DiscussionSPC2 hr
May 3, 9:25 PM CDTSevere Thunderstorm WarningFSD35 min
May 10, 10:24 AM CDTMesoscale DiscussionSPC3 hr
May 10, 10:46 AM CDTTornado WatchSPC8 hr
May 10, 2:43 PM CDTMesoscale DiscussionSPC92 min
May 10, 2:51 PM CDTTornado WarningFSD24 min
May 10, 3:27 PM CDTSevere Thunderstorm WarningFSD33 min
May 16, 2:10 PM CDTMesoscale DiscussionSPC95 min
May 18, 2:43 PM CDTFrost AdvisoryFSD17 hr
May 25, 6:06 PM CDTMesoscale DiscussionSPC114 min
Jun 6, 2:32 PM CDTMesoscale DiscussionSPC88 min
Jun 6, 3:12 PM CDTFlash Flood WatchFSD9 hr
Jun 6, 3:40 PM CDTTornado WatchSPC5 hr
Jun 6, 6:34 PM CDTMesoscale DiscussionSPC116 min
Jun 6, 8:11 PM CDTMesoscale DiscussionSPC64 min
Jun 6, 8:45 PM CDTTornado WatchSPC4 hr
Jun 6, 11:00 PM CDTMesoscale DiscussionSPC2 hr
Jun 9, 7:59 PM CDTMesoscale DiscussionSPC91 min
Jun 10, 2:42 PM CDTFlash Flood WatchFSD19 hr
Jun 20, 3:18 AM CDTSevere Thunderstorm WatchSPC3 hr
Jun 22, 2:25 AM CDTSevere Thunderstorm WatchSPC6 hr
Jun 22, 4:53 AM CDTMesoscale DiscussionSPC2 hr
Jun 22, 5:06 AM CDTSevere Thunderstorm WarningFSD39 min
Jun 22, 5:20 AM CDTSevere Thunderstorm WarningFSD40 min
Jun 22, 5:30 AM CDTSevere Thunderstorm WarningFSD45 min
Jun 22, 5:34 AM CDTHigh Wind WarningFSD2 hr
Jul 3, 6:19 AM CDTDense Fog AdvisoryFSD3 hr
Jul 5, 3:46 PM CDTMesoscale DiscussionSPC119 min
Jul 5, 7:24 PM CDTMesoscale DiscussionSPC2 hr
Jul 5, 7:42 PM CDTSevere Thunderstorm WatchSPC8 hr
Jul 6, 1:01 AM CDTMesoscale DiscussionSPC29 min
Jul 6, 1:11 AM CDTSevere Thunderstorm WarningFSD49 min
Jul 11, 4:00 AM CDTHeat AdvisoryFSD39 hr
Jul 12, 3:53 PM CDTMesoscale DiscussionSPC82 min
Jul 12, 5:28 PM CDTTornado WatchSPC5 hr
Jul 17, 8:55 PM CDTSevere Thunderstorm WatchSPC5 hr
Jul 17, 8:57 PM CDTMesoscale DiscussionSPC3 hr
Jul 17, 11:23 PM CDTSevere Thunderstorm WarningFSD52 min
Jul 17, 11:26 PM CDTMesoscale DiscussionSPC2 hr
Jul 23, 3:33 AM CDTHeat AdvisoryFSD39 hr
Jul 25, 10:54 PM CDTMesoscale DiscussionSPC2 hr
Jul 28, 1:57 AM CDTMesoscale DiscussionSPC2 hr
Jul 28, 3:37 AM CDTMesoscale DiscussionSPC2 hr
Aug 9, 1:05 PM CDTMesoscale DiscussionSPC115 min
Aug 9, 1:42 PM CDTSevere Thunderstorm WatchSPC9 hr
Aug 9, 4:03 PM CDTMesoscale DiscussionSPC117 min
Aug 9, 7:15 PM CDTMesoscale DiscussionSPC2 hr
Aug 9, 7:58 PM CDTSevere Thunderstorm WarningFSD47 min
Aug 16, 10:56 AM CDTFlash Flood WatchFSD9 hr
Aug 16, 4:01 PM CDTMesoscale DiscussionSPC119 min
Aug 18, 3:18 AM CDTFlash Flood WatchFSD9 hr
Aug 22, 2:13 PM CDTMesoscale DiscussionSPC62 min
Aug 22, 2:35 PM CDTTornado WatchSPC7 hr
Sep 6, 2:31 PM CDTMesoscale DiscussionSPC119 min
Sep 9, 5:10 PM CDTMesoscale DiscussionSPC2 hr
Sep 9, 5:48 PM CDTSevere Thunderstorm WarningFSD42 min
Sep 19, 4:46 AM CDTDense Fog AdvisoryFSD6 hr
Sep 23, 4:14 AM CDTFlash Flood WatchFSD27 hr
Oct 11, 4:20 PM CDTWind AdvisoryFSD26 hr
Oct 15, 3:34 AM CDTFreeze WarningFSD29 hr
Oct 23, 5:43 PM CDTTornado Warning Tornado observedFSD32 min
Oct 23, 6:12 PM CDTTornado WarningFSD33 min
Oct 23, 6:13 PM CDTMesoscale DiscussionSPC92 min
Nov 10, 3:43 AM CSTHigh Wind WatchFSD11 hr
Nov 10, 3:02 PM CSTHigh Wind WarningFSD39 hr
Nov 10, 3:02 PM CSTWind AdvisoryFSD51 hr
Nov 18, 3:52 AM CSTWind AdvisoryFSD38 hr
Nov 18, 3:10 PM CSTWinter Storm WatchFSD37 hr
Nov 19, 3:44 PM CSTWinter Storm WarningFSD30 hr
Nov 20, 9:00 AM CSTMesoscale DiscussionSPC5 hr
Nov 28, 2:41 PM CSTWinter Storm WatchFSD25 hr
Nov 29, 3:26 PM CSTWinter Storm WarningFSD42 hr
Nov 30, 12:03 PM CSTMesoscale DiscussionSPC6 hr
Dec 6, 5:52 AM CSTDense Fog AdvisoryFSD6 hr
Dec 6, 7:49 PM CSTDense Fog AdvisoryFSD7 hr
Dec 24, 3:47 PM CSTWinter Storm WarningFSD50 hr
Dec 24, 3:47 PM CSTWinter Weather AdvisoryFSD47 hr
Dec 26, 2:51 PM CSTWinter Storm WatchFSD37 hr
Dec 27, 3:19 PM CSTWinter Storm WarningFSD46 hr
Dec 28, 3:39 AM CSTWinter Weather AdvisoryFSD31 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

ProductAlerts
Severe storms
Severe Thunderstorm Warning11
Tornado Warning3
Severe Thunderstorm Watch6
Tornado Watch5
Mesoscale Discussion32
Flooding
Flash Flood Watch5
Winter
Blizzard Warning2
Winter Storm Warning6
Blizzard Watch1
Winter Storm Watch4
Freezing Rain Advisory2
Winter Weather Advisory8
Heat
Heat Advisory2
Cold
Freeze Warning2
Frost Advisory1
Wind Chill Advisory7
Wind and dust
High Wind Warning2
High Wind Watch1
Wind Advisory8
Fog and smoke
Dense Fog Advisory5

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 22, 20156alerts
  2. May 10, 20155alerts
  3. June 6, 20154alerts
  4. July 6, 20154alerts
  5. July 18, 20154alerts
  6. January 4, 20153alerts
  7. June 7, 20153alerts
  8. August 9, 20153alerts
  9. October 23, 20153alerts
  10. November 10, 20153alerts

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20142016

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.