| A | B |
|---|
| Humidity | Amount of moisture in the air |
| Atmospheric Pressure | force exerted by the air on the earth's surface |
| Wind | air in motion |
| Diurnal variation | difference between the high and low temperatures |
| Coriolis Effect | movement of wind in North and South Hemisphere |
| Dry Line | Also called the dew point line |
| Hygrometer | Measures humidity |
| Barometer | Measures atmospheric pressure |
| Trade Winds | Tropical winds from the east in each hemisphere |
| Westerlies | Temperate winds in each hemisphere |
| Polar Winds | High latitude Easterlies in each hemisphere |
| Doldrums | Area of calm along the equator |
| Horse Latitudes | area of calm between the tropical and temperate regions |
| Anemometer | Measures the speed of wind |
| Altimeter | Measures the elevation |
| Jet Stream | Fast moving high altitude winds 7 miles above the earth |
| Occluded Front | Cold air wraps itself around warm air |
| Warm Front | Warm air replaces cold air |
| Stationary Front | Warm or Cold air stops moving and wind shifts direction |
| Cold Front | Cold air replaces warm air |
