Taylor and Kaitlyn

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Thunderstorms

• Taylor and Kaitlyn

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Thunder and Lighting

• Lighting will hurt you
• Every thunderstorm has lighting
• Lasts an average of 30 minutes
• Lighting kills more people than tornado

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Dangers

• leads to flash flooding
• Strong winds, hail and tornadoes are from
  thunderstorms

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Thunderstorms Need Three Things

• Moisture
• Unstable air
• Lift fronts

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When They Occur

• Mainly in spring and summer months
• Mostly afternoon and evening hours
• Sometimes they come with snowstorm
• Along the gulf coast , southern and western states

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How They Form

• The sun warms the Earth and the Earth warms the
  air above it
• The air begins to rise
• Are caused by air that is force up by a mountain
  or hillside
• Frontal thunderstorms occur along the boundaries
  of weather fronts

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Safety

• Check the forecast and the weather
• Be aware of thunderstorm hazards
• Take shelter
• Turn off unnecessary electrical equipment
• Don't be in water

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What is Lighting ?

• Lighting can turn on a 100 -watt light bulb for
  more than 3 months
• The air near a lighting strike is hotter than the
  surface of the sun
• Chances of being struck by lighting are 1 in
  600,000
• Lots of fires are started by lighting

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What Can Happen

• Hail 3/4 or greater
• Winds gusting in excess of 57.5 mph
• A tornado
• Thunder and lighting

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How Does Atmospheric Pressure Change?

• Where rain is falling the pressure comes up by a
  few milabars
• As the air goes up it goes in the thunderstorms
  updraft it creates area of low pressure under the
  updraft that pulls the air around the storm

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Conclusion

• In conclusion, we learned that thunderstorms are
  very harmful to earth. Many other storms are
  formed from thunderstorms, like tornadoes. They
  are very easy to predict. Make sure you are ready
  for a thunderstorm.

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Sources

• http//eo.ucar.edu/webweather/
• http//www.fema.gov/kids/dizarea.htm
• http//www.education.noaa.gov/cweather.html
• http//www.weather.gov/os/severeweather/index.shtm
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