4 CHAPTER 1 HOW BLIZZARDS FORM Blizzards are strong snowstorms But not all snowstorms are blizzards Winds must travel 35 miles per hour or faster People must be able to see no more than four football fields away These high WATCH A VIDEO HERE
5 Some blizzards can last for days winds and low visibility must last at least three hours
6 A blizzard needs four things to form First the air needs to be cold Second warm air needs to meet that cold air The warm air will rise over the cold air Third the air must have When warm and cold air meet clouds can form
7 EXTREME BLIZZARD enough moisture These conditions form clouds to In 2018 a blizzard hit the East Coast of the United States and Canada Some places received 2 feet of snow States as far south as Florida received snow In New Hampshire winds traveled more than 120 miles per hour make snow Finally winds must be strong enough to blow the snow a lot
