To improve upon persistenceforecasting, companies rely on numerical weather prediction (NWP), the approach used by meteorologists to produce national weather forecasts.
为了改进持续性预报,企业们依靠数值天气预报(NWP),这是一种气象学上用来进行天气预报的方法。
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However, if weather conditions change significantly from day to day, the persistence method usually breaks down and is not best forecasting method to use.