Weather

3. when a warm air mass gets caught between two cold air masses.
6. Help shape wind patters
7. Forms over ocean and is near the poles.
11. An instrument measuring atmospheric pressure
13. Measure wind speed.
14. a breeze that comes from land
15. Places where the air pressure is low
17. The boundary between a mass of warm air and a retreating mass of cold air.
18. Forms over land is near the equator.
19. when a cold front or warm front stops moving

1. The change over region where a cold air mass is replacing a warmer air mass.
2. Places where the air pressure is high
4. Forms over land and is near the poles.
5. a breeze that comes from the sea
6. Forms over land and is near the poles.
8. used to measure how much water vapor is in the air / soil
9. fast flowing, narrow, meandering, air currents in the atmosphere
10. A weather system that is the boundary separating two different types of air.
12. Forms over ocean and is near the equator.
16. A thermometer measures the air temperature