Chapter 7 vocab words

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Across
  1. 3. something that influences a result
  2. 4. state of the atmosphere at a specific time and place, determined by factors including air pressure, amount of moisture in the air, temperature, wind, and precipitation
  3. 6. temperature at which air is saturated and condensation forms
  4. 10. Line that shows equal atmospheric pressure on a map.
  5. 14. water falling from clouds - including rain, snow, sleet, and hail - whose form is determined by air temperature
  6. 15. a stratus cloud that forms when air is cooled to its dew point near the ground
  7. 17. studies weather and uses information from Doppler radar, weather satellites computers and other instruments to make weather maps and provide forecasts.
  8. 18. measure of they amount of moisture held in the air compared with the amount it can hold at a given temperature; can range from zero percent to one-hundred percent
Down
  1. 1. boundary between two air masses with different temperatures, density, or moisture; can be cold, warm, occluded, and stationary.
  2. 2. large, severe storm that forms over tropical oceans, has winds of at least 75mp/h (120km/h), and loses power when it reaches land.
  3. 5. indicates weather conditions at a specific location, using a combination of symbols on a map.
  4. 7. violent, whirling wind storm that crosses land in a narrow path and can result from wind shears inside a thunder head
  5. 8. an tool used to measure atmospheric pressure
  6. 9. line drawn on a weather map that connects points having equal temperature
  7. 11. large body of air that has the same characteristics, temperature and moisture content as the part of Earth's surface over which it formed.
  8. 12. winter storm that lasts at least three hours with temperatures of-12 Degrees C or below, poor visibility, and winds of at least 32 miles per hour
  9. 13. amount of water vapor held in the air
  10. 16. to predict a condition or event on the basis of observations