Term | Definition |
tropsophere | the lowest layer of the atmosphere where most water is found and most clouds form |
thermometer | a tool used to measure temperature |
barometer | an instrument that is used to measure air pressure and predict changes in the weather |
rain gauge | an instrument for measuring rainfall |
hygrometer | an instrument for measuring the amount of moisture in the air |
wind vane | a weather instrument used to determine the direction of the wind blowing |
anemometer | an instrument for measuring the force or speed of the wind |
high-pressure area | a mass of cold air |
low-pressure area | a mass of warm air |
water vapor | gas or moisture floating in the air;steam |
fog | fine particles of water floating in the atmosphere near the ground |
meteroligist | a person who studies,reports and forcasts weather conditions |
updrafts | an upward current of warm air,moist air |
wind | the horizontal movement of air |
atmosphere | the layer of air that surrounds earth |
air pressure | the weight of air |
humitidy | a measure of the amount of water in the air |
preciptation | any force of water that falls from clouds 'such as rain |
evaporation | the process by wich the liquid changes into gas |
condensation | the process by wich a gas changes into a liquid |
local winds | the winds dependent upon local change |
prevailing winds | the global winds that blow constantly from the same dirrection |
air mass | a large body of air that has nearly the same tempurture and humidity throughout |
front | the boundary between air masses |
climate | the average of all weather conditons through all weather conditions |
microclimate | the climate of a small area |
EL Nino | a short-term climate change |
greenhouse affect | the process by wich the earths atomsphere absorbs heat |
global warming | the hypotheiezed rise in earths average temperture |