Alert archive / Iowa / Hancock County

Tornado Warnings in Hancock County, Iowa

40 tornado warnings since 1986. An alert counts here when it covered this county. The archive of tornado warnings reaches back to 1986.

Hancock County and its neighbors

Each county as a circle sized by its count since 1986. Tap one for its archive.

Tornado Warnings
40
Busiest year
20085 tornado warnings
Average year
3over 16 years on file

Over time

By year

Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.

The latest tornado warnings

The most recent on file, newest first.

IssuedProductOfficeLasted
May 17, 10:07 PM CDTTornado Warning Tornado observedDMX38 min
May 17, 9:35 PM CDTTornado WarningDMX40 min
Apr 13, 8:32 PM CDTTornado WarningDMX28 min
Apr 13, 7:48 PM CDTTornado WarningDMX12 min

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive

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.