Alert archive / Iowa / Tornado Warnings

Tornado Warnings in Iowa, 2020

35 tornado warnings in 2020. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of tornado warnings reaches back to 1986.

Tornado Warnings by county

Each county as a circle sized by its count in 2020. Tap one for its archive.

Tornado Warnings
35
Busiest month
May19 tornado warnings
Busiest day
March 28, 20209 tornado warnings

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.

IssuedProductOfficeCountiesLasted
Mar 28, 2:24 PM CDTTornado Warning Tornado observedDMXAdair, Guthrie, Madison27 min
Mar 28, 4:10 PM CDTTornado WarningDMXJasper, Marshall, Story35 min
Mar 28, 4:38 PM CDTTornado WarningDMXMarshall22 min
Mar 28, 5:54 PM CDTTornado WarningDMXBlack Hawk17 min
Mar 28, 6:02 PM CDTTornado WarningDMXBlack Hawk9 min
Mar 28, 6:13 PM CDTTornado Warning Tornado observedDVNBenton, Buchanan47 min
Mar 28, 6:30 PM CDTTornado WarningARXFayette45 min
Mar 28, 6:52 PM CDTTornado WarningARXClayton53 min
Mar 28, 6:53 PM CDTTornado WarningDVNBuchanan, Delaware28 min
Mar 28, 7:20 PM CDTTornado WarningDVNJones, Linn25 min
Mar 28, 7:49 PM CDTTornado WarningDVNDelaware, Dubuque, Jones26 min
May 14, 4:46 PM CDTTornado WarningDMXClarke, Lucas, Marion, Warren29 min
May 16, 6:10 PM CDTTornado WarningOAXMills35 min
May 23, 12:18 PM CDTTornado WarningDVNCedar, Johnson42 min
May 23, 12:39 PM CDTTornado WarningDVNCedar, Clinton51 min
May 23, 12:50 PM CDTTornado Warning Tornado observedDVNCedar, Jones40 min
May 23, 12:59 PM CDTTornado WarningDVNScott46 min
May 23, 1:17 PM CDTTornado WarningDVNClinton, Jackson43 min
May 23, 1:18 PM CDTTornado Warning Tornado observedDVNCedar, Jones18 min
May 23, 1:29 PM CDTTornado WarningDVNJones16 min
May 23, 1:54 PM CDTTornado WarningDVNJackson38 min
May 23, 2:27 PM CDTTornado Warning Tornado observedDVNJackson34 min
May 25, 6:32 PM CDTTornado Warning Tornado observedDMXPolk28 min
May 26, 1:25 PM CDTTornado Warning Tornado observedDMXDallas35 min
May 26, 1:49 PM CDTTornado WarningDMXBoone, Dallas26 min
May 26, 2:22 PM CDTTornado WarningDMXPoweshiek, Tama38 min
May 26, 2:25 PM CDTTornado WarningDMXBoone, Webster35 min
May 26, 3:47 PM CDTTornado WarningDMXHumboldt, Wright13 min
May 26, 3:57 PM CDTTornado WarningDMXAudubon, Guthrie21 min
May 26, 5:16 PM CDTTornado WarningDMXFranklin, Wright29 min
Jul 9, 5:19 PM CDTTornado WarningDVNCedar, Muscatine14 min
Jul 11, 6:01 PM CDTTornado WarningDVNJones, Linn15 min
Jul 14, 6:52 PM CDTTornado WarningDMXBoone, Story23 min
Jul 14, 7:22 PM CDTTornado WarningDMXPolk23 min
Jul 29, 5:49 PM CDTTornado Warning Tornado observedDVNBenton11 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. March 28, 20209tornado warnings
  2. May 23, 20209tornado warnings
  3. May 26, 20207tornado warnings
  4. March 29, 20202tornado warnings
  5. May 14, 20201tornado warnings
  6. May 16, 20201tornado warnings
  7. May 25, 20201tornado warnings
  8. July 9, 20201tornado warnings
  9. July 11, 20201tornado warnings
  10. July 14, 20201tornado warnings
  11. July 15, 20201tornado warnings
  12. July 29, 20201tornado warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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.