Across
- 3. two air masses of different properties collide with each other
- 4. this forms when water vapor in the air passes over a cooler area
- 5. rarely moves above freezing
- 7. a narrow belt of high-speed upper atmosphere winds
- 10. one who observes, records and make predictions about the weather
- 15. a violent disturbance in the atmosphere caused by the collision of different types of fronts
- 16. used to show the direction of the wind
- 17. raindrops that pass through extremely cold layers of air that freeze and become ice pellets
- 19. a very powerful cyclone that forms over tropical waters
Down
- 1. when molecules within a cloud rub against each other building up a static charge
- 2. bottom layer of the atmosphere
- 6. the flow of air from sea to land
- 8. predicting the weather
- 9. a device used to measure atmospheric pressure
- 11. beyond the thermosphere.
- 12. heat moving in waves
- 13. a type of front when different types of air masses meet and stall
- 14. the study of the changes that take place in a particular spot within the atmosphere.
- 18. moisture(water vapor)in the air
- 20. a type of cloud that looks like a cotton ball