chapter 7 weather

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Across
  1. 2. a warm air mass moves over a cold, denser air mass
  2. 3. cumulonimbus clouds that produce strong winds and heavy rains
  3. 5. clouds that spiral around the center of a hurricane
  4. 9. a person who makes weather predictions based on data on atmospheric conditions
  5. 10. weather that can cause property damage and sometimes death
  6. 12. a large body of air that has similar temperature and moisture through-out
  7. 13. core of warm, calm air
  8. 15. measures wind direction
  9. 19. they orbit earth, provide images of weather systems that we see on television weather reports
  10. 21. where does the National Weather Service get its information for its weather maps
  11. 25. the amount of water vapor in the air
  12. 28. prefix for clouds at middle altitudes
  13. 29. water that flows across land and collects in rivers, streams and the ocean
  14. 30. the technology that shows the form, amount, and location of precipitation
  15. 31. a warm air mass is caught between two colder air masses
  16. 34. a usually brief and heavy storm with rain, strong winds, lightning, and thunder
Down
  1. 1. a representation of a weather station on a map
  2. 4. measures wind speed
  3. 6. air that holds all the water it can at a given temperature
  4. 7. measures air temperature
  5. 8. carries electronic equipment that measures weather conditions above earth's surface
  6. 11. measures air pressure
  7. 14. a cold air mass meets a warm air mass but the two remain separated
  8. 15. the condition of the atmosphere at a certain time and place
  9. 16. an electric discharge between two oppositely charged surfaces
  10. 17. the amount of water vapor in the air compared with the maximum it can hold at a given temperature
  11. 18. an instrument that measures relative humidity
  12. 20. the rotation of air around a high-pressure center
  13. 22. the liquid in a thermometer moves up the glass tube when the air temperature
  14. 23. the lines on a weather map that connect points of equal air pressure
  15. 24. an area in the atmosphere that has lower pressure than the surrounding areas, with winds spiraling toward the center
  16. 26. a cold air mass moves under a warm, less dense air mass
  17. 27. the boundary between air masses of different densities and usually different temperatures
  18. 32. prefix for clouds at high altitudes
  19. 33. what is a special type of radar meteorologists could use to predict when a tornado might touch down
  20. 35. the sound caused by air rapidly expanding along a lightning strike