That is why the weather forecast is so fickle: “There are many factors involved in snow”

“Chance of winter precipitation. A snow bomb! Ah no, just rain. Or yes, a few centimeters of snow.” This article does not tell you how many millimeters of snow will be on your pelouse tomorrow. It does explain why the forecast for tomorrow has been shooting in all directions for a week. How many weather models do meteorologists take into account? Why do they follow model A one moment and model B the next? And why is snow specifically so difficult to predict? David Dehenauw, head of the RMI weather service, answers all pertinent questions.

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