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Across 1. weather maps that show what is happening at a specific point in time in the past 4. measures the water content of snow 7. atmospheric altitude that spacecrafts would be seen at 9. transfer of energy by means of waves 10. the type of front when two air masses collide quickly and can cause significant storms 12. transfer of energy through contact; collision of particles 13. the layer of the atmosphere that contains the highest concentration of ozone 20. prevailing winds help distribute this from the equator to cooler parts of the globe 22. the winds that Christopher Columbus took advantage of when he sailed to North America 24. clouds at the highest altitude 25. when a moving object in a rotating system changes direction 31. highest altitude in the atmospheric layers 32. clouds at the lowest altitudes 33. relative moisture in the air 34. set of environmental conditions over a long period of time in a wide region 35. weather maps that show what potentially could occur

Down 1. height above sea level 2. used to measure the amount of rain in a period of time 3. winds that affect large areas 5. type of cloud that usually indicates rain, hail, snow, or lightning storms 6. study of how the motion of water and air causes weather patterns 8. used to measure atmospheric pressure 11. the change in temperature over a distance 14. prevailing winds are caused by Earth's eastward rotation and this 15. when a liquid's or gas' particles gain energy and their movement increases; this movement happens in a cyclical motion 16. material that absorbs energy and as a result becomes warmer 17. used to determine the altitude of clouds 18. someone who studies weather patterns; possibly a forecaster 19. colour on radar detection screens that indicate the most recent lightning strikes 21. used to measure wind speed and wind direction 23. covers a large area of Earth's surface and when warm air comes into an area usually dominated by cold air 26. clouds at a mid-latitude range 27. layer in the atmosphere that protects Earth from UVA and UVB rays 28. strong winds located in the troposphere that reach speeds of 110-320 km/hr 29. the temperature at which the air can no longer hold its moisture and snow, hail, or rain occur 30. conditions encountered in a smaller region on a day to day basis