A blizzard is a severe snow storm with winds in excess of 35 mph and visibility of less than a 1/4 mile for more than 3 hours. Blizzards often cause severe damage to buildings and can bury structures under many feet of drift snow. the formation of a blizzard is that we need snow to occur, then moisture is needed to form to the clouds and precipitation, than warm air is needed to form the clouds and cause precipitation. That is how a blizzard forms. This is a warm and cold front of a blizzard they collide and we need snow and winds . Some are really bad like the storm in 2011 and how half of Wisconsin we had 17.8 inches of snow and in the old days like 1881 and how we had 28.5 inches of snow that drifts to 20 ft Milwaukee received 63.7 inches of snow. That is some historic examples. `
Human impact- It can get to 35 miles per hour and people should stay inside for that kind of weather because its really strong and has low pressures, freezing temperature and you can watch the news for that information about what will happen on the radarqqq.