How is the wind-chill factor calculated?

<span>Photograph: Gillian Henry/Getty Images</span>
Photograph: Gillian Henry/Getty Images

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts


On the weather forecasts, they always say: “With the wind, it’ll feel like …” How is the wind-chill factor calculated? Mick Rawlinson, Brighton

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