• The way we human beeings feel the temperature on our skin is not only depending on the actual outside air temperature - it is also highly depending on the wind-speed. The higher the wind-speed; the colder do we feel it is.

• At lower temperatures does the human body produce additional heat and a thin, isolating layer of hot air is created around the body close to the skin. With increased wind-speed is part of this isolating-layer blown away and the body has to produce even more heat to compensate for the loss. When the windspeed increases above a certain speed is the body not able to fully compensate for the loss and we start to loose body-heat and it starts to feel cold.

• In this table can you see how the relation between windspeed in knots and still-air-temperature in °C changes the felt temperature.

• The green dot at -10 °C represents the temperature the body feels at a still-air-temperature of +2°C at a wind-speed of 14 knots ( ca 28 m/s ).

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