I can see trends over the next day or two being predictable based on current weather… but how is it done for 14 days out?
In: 14
The short answer is, sometimes they just don’t. It’s a predictive model. It can be as simple as looking at previous weathers, trying to find patterns in it, and trying to build a model that predicts weather in 14 days based on what you observe (in terms of atmospheric pressure, wind, temperature etc) during the current day.
The model building part isn’t made by having a human scratching his head trying to find patterns in weather, of course. It can mean just slapping a neural network on it and having it try to predict weather from all previous weather data it read through.
These models might be more or less accurate, more or less capable to accurately predict what’s gonna happen in 14 days. If they usually fall short of an accurate prediction, feel free to take these forecasts with a grain of salt.
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