weather

3. a visible mass of condensed water vapor floating in the atmosphere
5. the amount of water vapor in the air
8. a measure of the warmth or coldness in the air
10. the state of the atmosphere at a place and time
11. lowest portion of the atmosphere
12. a tool used to show the direction and strength of the wind
13. a device that measures humidity
16. turn from liquid into vapor
18. cloud forming a continuous horizontal gray sheet often with rain or snow.

1. the collection of gases surrounding the earth
2. a composite front produced by occlusion.
4. a scientist that studies weather
6. an instrument measuring atmospheric pressure
7. a scale of wind speed
9. rain, sleet, hail, snow and other forms of water falling from the sky
10. movement of the air
14. destructive vortex of violently rotatingwinds having the appearance of a funnel-shaped cloud
15. a system of winds rotating inward to an area of low atmospheric pressure
17. the star around which the earth orbits.