I WONDER - What Is A Blizzard?

The video explains what a blizzard is, highlighting three key characteristics: high winds over 35 mph, low visibility of less than a quarter mile, and a duration of over three hours. If a snowstorm meets these criteria, it is classified as a blizzard.

For how long must a snowstorm last to be classified as a blizzard?

What happens if a snowstorm meets all the characteristics of a blizzard?