Weather crossword

1. This makes marginal lands unsuitable for farming because of lack of precipitation.
3. The measure of what the temperature feels like because of the humidity.
7. Winds may be very strong along a _____.
8. As the warm air rises, its water vapor _____.
10. Earth now has more frequent _____, like severe storms, floods, heat waves, and droughts.
11. When two air masses meet, the result is often a _____.
13. When a new air mass moves over a region it brings its characteristics to the region. This may change the area's _____ and humidity.
14. This is the amount of water vapor in the air.
15. The more _____ in the atmosphere, the better the atmosphere can trap heat.
16. This is the percent of water vapor in the air compared to the total amount the air can hold.
17. The temperature at which water vapor condenses.

2. Recent global warming is due mainly to human actions which release _____ in to the atmosphere.
4. A large body of air that has about the same conditions throughout.
5. The extent of _____ in summer has been decreasing rapidly.
6. The boundary between two air masses of different temperatures is called a _____.
7. The effect of Earth’s rotation on the direction of global winds and surface ocean currents.
9. Sometimes two air masses stop moving when they meet, called a ________ front.
12. The process in which water falls from the atmosphere as rain, snow, sleet, or hail.