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Christina Loren is a Certified Meteorologist with an enthusiastic passion for atmospheric science.

How do Meteorologists Forecast the Weather?

By: Christina Loren

        The forecast is a function of a multitude variables that all need to be taken into account in order to assess what future weather conditions will occur. Current and expected temperature, dew point, humidity, barometric pressure, approaching storms, etc. all need to be investigated in order to predict what will happen next. There are a number of different methods that can be used to generate an accurate weather forecast, however this is entirely dependent on the experience level of the forecaster and the amount of data that is available to him/her. I have found that the persistence method of forecasting is most valuable in California, pending that there are no approaching storm systems or substantial changes in moisture content on the horizon. The persistence method is based on common sense. If there are no drastic changes in temperature, dew point, humidity, barometric pressure, etc. in the forecast from one day to the next, the weather conditions will likely end up being very similar both days. This approach works great in California in the Spring and Summer.

Read Christina Loren's answer to How is the weather forecasted? on Quora

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posted by Christina Loren @ 7:57 AM,


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