Alert archive / Iowa / Tornado Warnings / 2016

Tornado Warnings in Iowa, September 2016

11 tornado warnings in September 2016. 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 September 2016. Tap one for its archive.

Tornado Warnings
11
Busiest day
September 21, 20166 tornado 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
Sep 7, 8:01 PM CDTTornado WarningDVNDes Moines29 min
Sep 15, 4:42 PM CDTTornado WarningOAXHarrison, Pottawattamie33 min
Sep 21, 5:19 PM CDTTornado WarningDMXButler56 min
Sep 21, 5:20 PM CDTTornado WarningARXFloyd40 min
Sep 21, 6:17 PM CDTTornado WarningDMXButler43 min
Sep 21, 6:18 PM CDTTornado WarningARXFloyd42 min
Sep 21, 6:53 PM CDTTornado WarningARXChickasaw, Floyd32 min
Sep 21, 6:59 PM CDTTornado WarningDMXBremer, Butler46 min
Sep 21, 7:16 PM CDTTornado WarningDMXCerro Gordo13 min
Sep 21, 7:34 PM CDTTornado WarningARXFloyd41 min
Sep 21, 7:43 PM CDTTornado WarningDMXBremer, Butler47 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 archive20152017

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.