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Blizzards

Blizzards. Cera Thomason, Rachel Trieschmann, Brian Hebbeln. How Blizzards Are Formed. A mass of polar air meets a mass of warm air . Polar air pushes warm air up and settles in the atmosphere where water vapor forms snow clouds.

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Blizzards

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  1. Blizzards Cera Thomason, Rachel Trieschmann, Brian Hebbeln

  2. How Blizzards Are Formed • A mass of polar air meets a mass of warm air. • Polar air pushes warm air up and settles in the atmosphere where water vapor forms snow clouds. • Winds and low temperatures combine with the snow to create a blizzard.

  3. Conditions and Prevalence • Measured by: wind speed, barometric pressure, inches • Conditions of a North America blizzard: • At least 25 mph wind speeds • Heavy snow fall and low visibility • Last at least 3 hours • Where: Northeastern U.S., Canada, Northern Europe, and Northern Asia • Warning Signs: Strong winds, blinding wind-driven snow and dangerous wind chills are expected. Best to stay updated with news reports.

  4. The Great Blizzard Of 1888 • January 12- Blizzards hit Dakota Territory, the states of Montana, Minnesota, Nebraska, Kansas and Texas. • 235 dead, mostly children on their way home from school • March 11- “The Great Blizzard of ‘88” begins along the eastern seaboard of the U.S., shutting down commerce and killing more than 400.

  5. Safety Procedures • Seek shelter immediately • Keep emergency supplies inside trunk and keep gas tank full for emergency use. • If possible, let someone know your destination, route and expected arrival. • Cell phones are great, but keep a limited use to avoid overloading the cellular system. • Approximately: • 70% of deaths are due to automobile accidents • 25% are caught out in the storm • 20% are at home

  6. The End Rachel Trieschmann, Cera Thomason, Brian Hebbeln

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