Alert archive / Iowa / Sioux County / Mesoscale Discussions

Mesoscale Discussions in Sioux County, Iowa, 2011

22 mesoscale discussions in 2011. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.

Sioux County and its neighbors

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

Mesoscale Discussions
22
Busiest month
July7 mesoscale discussions
Busiest day
May 21, 20112 mesoscale discussions

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
Feb 19, 11:25 PM CSTMesoscale DiscussionSPC5 hr
Mar 21, 10:05 PM CDTMesoscale DiscussionSPC115 min
Apr 9, 9:06 PM CDTMesoscale DiscussionSPC54 min
May 11, 5:03 PM CDTMesoscale DiscussionSPC57 min
May 21, 12:51 PM CDTMesoscale DiscussionSPC114 min
May 21, 6:07 PM CDTMesoscale DiscussionSPC53 min
May 21, 8:55 PM CDTMesoscale DiscussionSPC65 min
May 29, 9:24 PM CDTMesoscale DiscussionSPC96 min
May 30, 10:09 PM CDTMesoscale DiscussionSPC2 hr
Jun 17, 6:44 PM CDTMesoscale DiscussionSPC91 min
Jun 20, 9:02 PM CDTMesoscale DiscussionSPC58 min
Jun 26, 6:16 AM CDTMesoscale DiscussionSPC59 min
Jul 1, 12:59 PM CDTMesoscale DiscussionSPC61 min
Jul 5, 3:32 PM CDTMesoscale DiscussionSPC88 min
Jul 10, 1:03 AM CDTMesoscale DiscussionSPC117 min
Jul 10, 10:27 PM CDTMesoscale DiscussionSPC63 min
Jul 12, 2:09 AM CDTMesoscale DiscussionSPC66 min
Jul 22, 3:00 PM CDTMesoscale DiscussionSPC90 min
Jul 23, 1:52 PM CDTMesoscale DiscussionSPC83 min
Aug 11, 6:38 PM CDTMesoscale DiscussionSPC97 min
Aug 11, 9:42 PM CDTMesoscale DiscussionSPC63 min
Aug 28, 10:41 AM CDTMesoscale DiscussionSPC94 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 21, 20112mesoscale discussions
  2. February 20, 20111mesoscale discussions
  3. March 22, 20111mesoscale discussions
  4. April 10, 20111mesoscale discussions
  5. May 11, 20111mesoscale discussions
  6. May 22, 20111mesoscale discussions
  7. May 30, 20111mesoscale discussions
  8. May 31, 20111mesoscale discussions
  9. June 17, 20111mesoscale discussions
  10. June 21, 20111mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20102012

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. Warning verification from the Mesonet's Cow. Rebuilt daily.