Weather

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Across
  1. 4. – the amount of water that is present in the air compared to the greatest amount it would be possible for the air to hold at that temperature
  2. 8. – a doughnut-shaped area of intense cumulonimbus development and very strong winds that surrounds the eye of a hurricane
  3. 10. – fast-moving rivers of air that travel between 75 and 150 miles per hour in a west-to-east direction
  4. 14. – violent windstorms that take the form of a vortex
  5. 15. – Air masses that form over land
  6. 17. – No movement of air masses
  7. 19. – When warm air rises and is cooled, the air can not hold as much moisture
  8. 20. – the values of the isobars increase from the outside toward the center
  9. 21. – a measure indicating the level of discomfort the average person is thought to experience as a result of the combined effects of the temperature and humidity of the air
  10. 23. – Air masses that form over the ocean
  11. 25. – The source regions for cold air masses
  12. 28. – When cooler air sinks and is warmed, the air can hold more moisture
  13. 29. – the atmospheric temperature below which water droplets begin to condense and dew can form
  14. 30. – Whirling tropical cyclones that produce winds of at least 119 kilometers per hour
  15. 31. – atmospheric moisture
Down
  1. 1. – the pressure exerted by the weight of air
  2. 2. – The source regions for warm air masses
  3. 3. – a vertical cylinder of rotating air that develops in the updraft of a thunderstorm
  4. 5. – the amount of pressure change occurring over a given distance
  5. 6. – dense air moves into a region occupied by warmer air
  6. 7. – a device used for measuring air pressure
  7. 9. – Caused by ice particles colliding into each other creating opposite charges
  8. 11. – the pressure decreases from the outer isobars toward the center
  9. 12. – the boundary between two unlike air masses
  10. 13. – air moves into an area formerly covered by cooler air
  11. 16. – a rotation column of air
  12. 18. – The contraction and expansion of air passed after a lightning bolt passes
  13. 22. – lines on a map that connect places of equal air pressure
  14. 24. – Large unit of air in which temperature and moisture conditions are uniform at a given altitude
  15. 26. – occurs when a cold front overtakes a warm front
  16. 27. – the result of horizontal differences in air pressure