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Weather week 5
| Term | Definition |
|---|---|
| low pressure area | Mass of WARM AIR (brings warm, wet weather |
| high pressure area | mass of COLD AIR (brings cool, dry weather |
| hygrometer | an instrument that measures the water vapor of the air or the humidity. |
| weather maps | maps that tell us what the atmospheric conditions above a large portion of the Earth’s surface. Meteorologist’s use weather maps to forecast the weather |
| wind vane | an instrument that determines the direction from which the wind is blowing |
| rain gauge | an instrument that measures the amount of rain that has fallen over a specific time period |
| anemometer | An instrument that measures wind speed |
| weather balloon | measures weather conditions higher up in the atmosphere |
| thermometer | A device used to measure temperature |
| barometer | a tool used to measure air pressure |
| pressure | The force that air puts on an area |