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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 |