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week 4
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. |