35+ Wind Chill Factor Equation Images. It is not the same as an actual thermometer reading of the same number. Wind chill numbers are always lower than the air temperature for values where the formula is valid.

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Where a is the table of wind chill values, t is the temperature vector, and v is the wind speed vector. The first is a straightforward measurement of how hot or cold. The wind chill chart displays the theoretical calm air temperature which would produce the same cooling rate as the actual air temperature + wind combination.

Wind chill attempts to put a number to this effect, based on the effect of wind on exposed human skin.

We all know that wind can make a cool winter day feel bitter cold, and the wind chill is just a way of measuring this effect. | feels like temperature, from wind speed and surrounding temperature, as shown in equation. This page will tell you how cold it feels outside, based on the fact that the wind is blowing (and makes it feel colder that it actually is.) what is the windchill temperature if the outside temperature is ° f, and the wind speed is mph? The current formula for wind chill, set by the national weather service, is the following