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Weather
Key words and concepts for junior cert weather
Term | Definition |
---|---|
meteorology | the study of weather |
elements of weather | temperature, atmospheric pressure, humidity, wind speed and direction, precipitation, sunshine |
meteorologists | prepare the weather forecast |
thermometer | used to measure temperature |
celsius | unit measurement of temperature |
isotherms | lines on a weather map that join places of equal temperature |
isobars | lines on a weather map that join places of equal pressure |
barometer | used to measure atmospheric pressure |
millibars | unit of measurement of atmospheric pressure |
relative humidity | the amount of water vapour in the air compared to the amount it would contain if it were saturated. |
anemometer | measures wind speed |
weather vane | measures the direction of wind |