How Often are Blizzard Warnings Issued in Iowa?
A Blizzard is defined as: Blowing and/or falling snow with winds of at least 35 mph, reducing visibilities to a quarter of a mile or less for at least three hours.
But how often are these issued within the state of Iowa?
The Iowa Environmental Mesonet has created a graph (below) showing the frequency of blizzard warnings in Iowa per year by county since 2007...