Understanding Blizzards and Their Effects

The video discusses blizzards, serious natural disasters with significant impacts. It explains what blizzards are, their criteria, types, and formation. The dangers of blizzards, including limited visibility and structural damage, are highlighted. The video also covers how scientists predict blizzards and offers safety tips for staying safe during such storms.

What are the three criteria that must be met for a snowstorm to be classified as a blizzard?

• Winds of at least 35 mph, visibility reduced to a quarter mile or less, and conditions lasting for three hours or more

• Winds of at least 25 mph, visibility reduced to half a mile or less, and conditions lasting for two hours or more

• Winds of at least 45 mph, visibility reduced to a quarter mile or less, and conditions lasting for one hour or more

• Winds of at least 30 mph, visibility reduced to a quarter mile or less, and conditions lasting for four hours or more

Which type of blizzard involves strong winds picking up old snow from the ground?

• Nor'easters

• Severe blizzards

• Ground blizzards

• Sun blizzards

What is a characteristic of severe blizzards?

• Winds of 50 mph or higher and temperatures of 15 degrees Fahrenheit or below

• Winds of 35 mph or higher and temperatures of 20 degrees Fahrenheit or below

• Winds of 45 mph or higher and temperatures of 10 degrees Fahrenheit or below

• Winds of 40 mph or higher and temperatures of 5 degrees Fahrenheit or below

Where are blizzards most common in the United States?

• The Upper Midwest and Great Plains

• The West Coast

• The East Coast

• The Southern States

What temperature is required for snow to form?

• Above 32 degrees Fahrenheit

• Below 32 degrees Fahrenheit

• Exactly 32 degrees Fahrenheit

• Below 0 degrees Fahrenheit

What happens when warm air rises high into the atmosphere?

• It causes precipitation and cloud formation

• It causes the temperature to increase

• It causes the snow to melt

• It causes the wind to stop

Why is it dangerous to drive during a blizzard?

• The roads are too slippery

• The snow is too deep

• Limited visibility makes it hard to see

• The wind is too strong

How can blizzards affect the economy?

• By reducing the cost of living

• By increasing employment

• By causing loss of crops and business

• By increasing the price of goods

What tool do meteorologists most commonly use to predict blizzards?

• Thermometers

• Radar

• Anemometers

• Barometers

What should you keep in your car during winter months if you live in a blizzard-prone area?

• Extra food, water, flashlights, and warm blankets

• Extra gasoline, a map, and a first aid kit

• Extra shoes, a tent, and a sleeping bag

• Extra clothes, a shovel, and a radio