ASLS Science Flashcards for Weather Patterns

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  1. What is air mass?
    An air mass is a huge body of air that has a similar temperature, humidity, and air pressure at any given height.
  2. Where do the Tropical air masses form?
    They form in the tropics
  3. Where do polar air masses form?
    They form north of 50 degrees north latitude and south of 50 degrees south latitude.
  4. Where do maritime air masses form?
    They form over oceans.
  5. Where do Continental air masses form?
    They form on land.
  6. What is the weather like in a Maritime Polar air mass?
    The weather is Cool and humid, it usually brings fog and rain.
  7. What is the weather like in a Maritime Tropical mass?
    The weather is warm and humid, in the winter Maritime Tropical air masses can bring heavy rain or snow
  8. What is the weather like in a Continental Tropical air mass?
    The weather is Hot and dry mostly in the summer.
  9. What is the weather like in a Continental Polar air mass?
    They bring bitterly cold weather with very low humidity.
  10. How are air masses moved in the Continental United States?
    They are moved by the prevailing westerlies and jet streams.
  11. What are the 4 types of fronts?
    Cold front, warm front, stationary front, and an occluded front
  12. What type of weather does a cold front cause?
    They cause abrupt weather changes, thunderstorms.
  13. What type of weather can a warm front bring?
    Clouds and precipitation, warm and humid.
  14. What weather does a stationary front cause?
    Rain, snow, fog.
  15. What type of weather does an occluded front cause?
    Cloudy, rain or snow may fall.
  16. A cyclone is ________
    a. A tornado
    b.an awesome cheeseburger
    c. a swirling center of low air presssure
    c
  17. True/False
    An anticyclone is a high pressure centers of dry air
    True
  18. A _____ is a violent disturbance in the atmosphere.
    Storm
  19. A small storm often accompanied by heavy precipitation and frequent thunder and lightning is called
    a. thunderstorm
    b. snowstorm
    c. big storm
    a
  20. _________ is a sudden spark, or electrical discharge.
    Lightning
  21. What type of clouds do thunderstorms and tornadoes form in?
    Cumulonimbus
  22. Name one way you can stay safe during a thunderstorm.
    Avoid places where lightning can strike like tall objects like trees or tall metal poles. Also avoid objects that can conduct electricity like metal objects or bodies of water.
  23. A _______ is a rapidly whirling cyclone that reaches down from a storm cloud to touch earth's surface.
    tornado
  24. Name one way to stay safe during a tornado.
    Stay in a storm shelter or the basement of a well built building.
  25. A _________ is a tropical cyclone that has winds of 119 kilometers per hour or higher.
    Hurricane
  26. The result is a _____ _____ a dome  of water that sweeps across the coast where the hurricane lands.
    storm surge
  27. Name one way to stay safe during a hurricane.
    If you hear a hurricane warning and are told to evacuate, leave the area immediately
  28. Name one way to stay safe during a snowstorm.
    It you are caught in a snowstorm, try to find shelter from the wind.
  29. A meteorologist is
    a. a person who looks at meteors
    b.a scientist who studies the causes of weather and try to predict it
    c. coolness
    b
  30. What do meteorologists use to analyze weather data?
    Maps, and charts
  31. What type of technology can be used to find weather data?
    Weather balloons, Weather satellites, and automated weather stations.
  32. What is the symbol when the cloud cover is 50%?
    A half circle
  33. What is an isobar?
    a. lines joining places on a map that have the same temperature
    b. lines joining places on a map that have the same air pressure
    b
  34. What is the symbol for a cold front?
    Blue triangles next to each other
  35. What is a symbol for a warm front on a map?
    Red half circles next to each other
  36. What is the symbol for snow?
    A snowflake.
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ASLS Science Flashcards for Weather Patterns
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