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weather week 5
Term | Definition |
---|---|
air pressure | The force that air puts on an area |
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 |