Humidity is a measure of the amount of water vapor in the air.This may be a result of the change in air pressure. Some people say they can predict the weather based on the pain in their joints such as their knees.The dew point is the temperature where water begins to condense out of the air.It is also used in non-weather applications such as police speed guns, the military, and healthcare. Doppler radar uses the Doppler effect to determine the speed and direction of objects.Interesting Facts about Weather Forecasting Computer Models - Weather forecasting uses computers to model the weather using the various measurements and information gathered.Barometer - A barometer measures the air pressure and whether it is rising or falling.Anemometer - An anemometer measures the speed of the wind.Rain gauge - A rain gauge is tool used to measure the amount of rainfall.Satellites - Satellites can be used to see cloud formations over large areas of the Earth.This can help meteorologists in providing severe storm warnings. Doppler radar - Doppler radar is a special kind of radar that can determine the rate of precipitation (rain, hail, snow) as well as wind speed and direction. Some of the tools meteorologists use are described below. There can be large differences between the temperature and dew point on each side of the dry line.Ī lot of technology goes into measuring and predicting the weather.
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