What is a blizzard: A blizzard is a strong bitterly cold wind (35 MPH or more), accompanied by a widespread heavy snowfall. Cold air is needed for snow to occur. The temperatures need to be below freezing and near the ground level in order for a blizzard to take place.
Location: where Blizzards commonly occur are the Midwest States, Northern Bordering States with Canada and parts of Colorado and Utah.
Duration: Blizzards will last several hours to several days.
Caveat: Dangers to be aware of with Blizzards will include, hypothermia, frostbite, Disorientation, Freezing water pipes, Carbon Monoxide from alternate cooking / heating/ electricity sources.