Winter Storms

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Winter Storms
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Introduction

• A. Snow falls when humid air cools to below 0
  Celsius (32 Fahrenheit)
• B1. Heavy snow can make roads impassible so
  traffic cannot get through
• B2. Power lines can be knocked down causing
  power outages

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Lake-effect snow

• C. Heavy pockets of snow that form on the east
  side of the Great Lakes
• D. Cities of the southeast sides of the Great
  Lakes are often
  impacted

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• E. Formation
• 1. The cold dry air passes over the lakes and
  picks up moisture and heat.
• 2. As the air moves over the colder land, the
  air cools, the water condenses, creates clouds.
  
• 3. The cold air cannot
  hold the moisture
  
  and it falls out in
  the form of
  snow.

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F. Snowstorm Safety

• 1. Seek shelter from the wind and cold
  temperatures
• 2. Avoid getting wet.
• 3. Cover exposed parts of your body
• 4. Frostbite- condition where skin body tissue is
  damaged due to extreme cold
• 5. Hypothermia- body temperature drops below the
  required temperature for normal body functions

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G. Additional Information

• Blizzard Conditions
• 1. 35 mph sustained winds
• 2. Heavy snow or blowing snow- limits visibility
• 3. 3 hours
• 4. Low temperatures and much lower wind chills

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