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geography, my world connections, human and physical geography, how is…
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how is weather measured, presented and recorded
A BAROMETER measures air pressure. ... A RAIN GAUGE measures the amount of rain that has fallen over a specific time period. A WIND VANE is an instrument that determines the direction from which the wind is blowing. An ANEMOMETER measures wind speed.
Basic weather observation instruments include thermometers, rain gauges, barometers, and anemometers (wind speed meters). Examples of more sophisticated equipment are wind profilers, weather balloons (radiosondes), Doppler radar, and satellites.
how is rain formed
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Within a cloud, water droplets condense onto one another, causing the droplets to grow. When these water droplets get too heavy to stay suspended in the cloud, they fall to Earth as rain. ... Water vapor turns into clouds when it cools and condenses—that is, turns back into liquid water or ice.
climate is the weather of a specific region averaged over a long period of time. Climate change refers to long-term changes.
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Weather forecasts are made by collecting as much data as possible about the current state of the atmosphere (particularly the temperature, humidity and wind) and using understanding of atmospheric processes (through meteorology) to determine how the atmosphere evolves in the future.
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