Weather Crossword

3. one of the causes that makes winds and storms rotate
5. Wet and cold air mass.
6. A front that is created when a warm air mass moves over a cold air mass.
8. A pressure system that brings rainy and stormy weather.
11. scale to measure hurricanes
13. Wet and warm air mass.
16. A front created when a warm air mass is trapped by two cold air masses.
17. Dry and cold air mass.
18. scale to measure tornadoes
19. Warm air mass
20. Weather instrument used to measure pressure
21. A front that is created when a cold air mass moves under a warm air mass.

1. where two air masses meet
2. Dry and warm air mass.
4. A pressure system that brings clear skies
7. Air mass formed over bodies of water
9. A front that is created when a cold air mass and a warm air mass doesn't have enough force to move the other.
10. Air mass formed over land
12. the amount of water vapor in the air
14. Cold air mass
15. Weather instrument used to measure wind speed