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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. |