How it forms
A blizzard forms by a cold front and a warm front meeting and when the snow falls the wind blows around the snow to create low visibility (sight). Wind blows around at 35 mph, and it is in a low pressure system (bad weather).
93' Superstorm: 318 died in this massive blizzard, power outage for 1 week.
Snowpocalypse: Grocery stores lined with people because the hype how bad the storm would be, 20-35 in of snow, Category 3 Major
Impact on Humans
Can shut down cities
Hypothermia and frost bite
Economy, can not go to jobs for a while