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Across 2. air that blows from areas of high pressure to areas of low pressure 4. this scale is used to classify hurricanes 8. the effect of earth's rotation on air and water 9. air which holds all the water vapor it can at that temperature 10. the layer of the atmosphere in which weather takes place 11. falling rain, snow, sleet or hail 13. a weather instrument that measures relative humidity 17. the current state of the atmosphere 18. water vapor changing into liquid water 21. the amount of water vapor in the air compared to the amount of water vapor that could be in the air at that temperature 22. a local wind that occurs during the night at the beach 24. a large body of air that has the same characteristics as the surface over which it develops 25. a weather instrument that measures relative humidity 26. a weather instrument that measures wind speed

Down 1. air, dust or smoke around which water vapor condenses 3. a line on a weather map that connects points of equal atomospheric pressure 5. the amount of water vapor in the air 6. wind blowing into a low pressure system blows in this pattern 7. a stratus cloud that is on the ground 9. a local wind that occurs during the day at the beach 12. this event occurs when the southeast trade witnds change direction, bringing poor fishing conditions in Peru 14. liquid water changing into water vapor 15. a weather instrument that measures temperature 16. the temperature at which air is saturated and condensation begins 19. this gas can vary from 0%-4% in the atmosphere 20. this global wind belt covers most of the USA 23. the boundary between two air masses