Term | Definition |
Atmosphere | The invisible layer of air that surrounds and protects the earth |
Troposphere | Layer of atmosphere closest to the surface where most whether occurs |
Stratosphere | Layer above the troposphere ozone layer jetstream |
Mesosphere | Layer above the stratosphere where astroid burn up |
Thermosphere | Outermost layer of atmosphere radio signals reflected and related back to earth |
Weather | Condition of atmosphere given at time and place |
Relative humidity | Amount of water vapor in the air compared to the total amount of water vapor that the air can hold a specific temperature |
Humidity | Vapor in the air that cannot be seen |
Air temperature | Degree of heat or cold atmosphere |
Air pressure | Heaviness of air caused by gravity and the amount of air particles in the air |
Barometer | Instrument which measures air pressure |
Wind | Movement of air |
anemometer | Instrument which measures wind speed |
Beaufort scale | Used to judge windspeed and windtypes |
Precipocation | Form of air moisture that you can see rain snow sleet hail |
Air mass | Large body of air that has about the same temperature and moisture throu out |
Front | Bendry or area of contact between two air masses |
Cold front | When cold air mass takes over a warm Air mass |
Warm front | And a warm air mass takes over a cold air mass |
Stationary front | Boundary between two unmoving air masses weather along this front is like that of a one |
Clouds | Collection of water droplets and microscopic solid particles such as dust salt |