Alert archive / Iowa / Severe Thunderstorm Warnings / 2020

Severe Thunderstorm Warnings in Iowa, March 2020

21 severe thunderstorm warnings in March 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

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

Severe Thunderstorm Warnings
21
Busiest day
March 19, 202013 severe thunderstorm warnings

Over time

By day

Days in UTC, the clock the archive keeps.

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 19, 4:01 PM CDTSevere Thunderstorm WarningOAXFremont, Mills, Montgomery, Page44 min
Mar 19, 4:30 PM CDTSevere Thunderstorm WarningOAXFremont, Page45 min
Mar 19, 4:38 PM CDTSevere Thunderstorm WarningOAXMontgomery15 min
Mar 19, 4:40 PM CDTSevere Thunderstorm WarningDMXAdair, Adams, Union50 min
Mar 19, 4:55 PM CDTSevere Thunderstorm WarningOAXFremont, Mills24 min
Mar 19, 5:04 PM CDTSevere Thunderstorm WarningOAXPage13 min
Mar 19, 5:07 PM CDTSevere Thunderstorm WarningDMXAdams, Taylor23 min
Mar 19, 5:11 PM CDTSevere Thunderstorm WarningOAXFremont, Mills, Montgomery, Pottawattamie34 min
Mar 19, 5:18 PM CDTSevere Thunderstorm WarningOAXPottawattamie12 min
Mar 19, 5:26 PM CDTSevere Thunderstorm WarningOAXFremont, Mills, Montgomery, Pottawattamie34 min
Mar 19, 5:47 PM CDTSevere Thunderstorm WarningOAXMontgomery28 min
Mar 19, 6:06 PM CDTSevere Thunderstorm WarningDMXAdair, Adams, Cass39 min
Mar 19, 6:47 PM CDTSevere Thunderstorm WarningDMXMarion, Warren43 min
Mar 19, 7:18 PM CDTSevere Thunderstorm WarningOAXPage18 min
Mar 28, 1:07 AM CDTSevere Thunderstorm WarningDMXMonroe, Wapello23 min
Mar 28, 1:53 AM CDTSevere Thunderstorm WarningDVNKeokuk, Washington26 min
Mar 28, 2:55 AM CDTSevere Thunderstorm WarningDVNClinton, Jackson35 min
Mar 28, 4:08 PM CDTSevere Thunderstorm WarningDMXCerro Gordo, Franklin, Hamilton, Hancock, Wright31 min
Mar 28, 5:22 PM CDTSevere Thunderstorm WarningDMXCalhoun, Pocahontas, Webster38 min
Mar 28, 6:03 PM CDTSevere Thunderstorm WarningDVNBenton, Buchanan42 min
Mar 28, 6:18 PM CDTSevere Thunderstorm WarningARXFayette42 min

By county

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

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