weather

4. a common condition that affects the body
6. process by which heat energy is transmitted through collisions
7. relatively narrow bands of strong wind in the upper levels of the atmosphere
10. a device for measuring air humidity
11. large body of air with generally uniform
13. to gain ascendancy through strength or superiority
17. a transition zone between two different air masses at the Earth's surface

1. mixture of gases that surrounds the Earth
2. process by which heat is transferred by movement of a heated fluid such as air
3. 1013.25 millibars or 14.7 pounds per square inch
5. strong ocean current that brings warm water from the Gulf of Mexico
8. occurs when blood pressure is much lower than normal
9. the quality or state of being density
12. is the long-term heating of Earth's surface
14. the amount of water vapor in the air
15. an instrument that measures wind speed and wind pressure
16. instrument used to measure atmospheric pressure