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Predicting Weather
Risinger: Lesson 7: Predicting Weather
Term | Definition |
---|---|
Air Pressure | the weight of air |
Anemometer | an instrument used to measure the speed of wind |
Barometer | an instrument used to detect and measure changes in air pressure |
Barometric Pressure | the pressure exerted by the atmosphere (atmospheric pressure) |
Cloud | a collection of billions of tiny droplets of water or ice and dust particles visible from the ground |
Cold Front | the leading edge of a cold air mass; it occurs when a cold air mass pushed a warm air mass ahead of it |
Doppler Radar | a weather tool that uses the Doppler effect to determine the position and velocity of weather phenomena such as cloud or storms |
Humidity | the amount of water vapor in the atmosphere |
Meteorologist | a scientist who studies Earth’s atmosphere and who monitors, studies, and forecasts weather |
Precipitation | water that falls to the ground from the atmosphere, this includes rain, hail, sleet, and snow |
Temperature | a measure of how hot or cold a material is; an indication of the amount of heat energy that has been absorbed by the material |
Warm Front | a boundary that forms when air masses meet that have different temperature, pressure, and humidity conditions |
Weather | the state of the atmosphere at a particular time and place |
Wind | the natural movement of air |