Enter the values into the wind chill calculator, or consult the wind chill estimates table. When humidity is high, this evaporation reduces resulting in 'feels like' temperatures that appear warmer than the actual air temperature. The Wind Chill Chart of the same NOAA displays air temperature and wind speed (in mph) along the axes. The wind speed: use your current conditions or if you do not have the wind speed, you can use our guide to estimating the wind speed by watching the movement of trees and flags. When a human perspires, the water in the sweat evaporates leading to the cooling of the body as the heat is carried away. When the wind speed is low in periods of high temperatures, the 'feels like' temperatures become more impacted by the humidity level.
If it is windy, the wind will take the boundary layer away and the skin temperature will drop making us feel colder. On a calm day, our bodies insulate us with a boundary layer which warms the air closest to the skin. A table with rows labels running from 5 to 60 mph of wind speed and columns The wind chill chart displays the theoretical calm air temperature which would. It is from this equation that modern wind chill charts are constructed. This is easy to compute since the quantities are easily determined. An example of this is in winter when winds blowing to the UK from a north- easterly direction make the 'feels like' temperatures colder than the actual air temperature. Where WC is the wind chill index in Fahrenheit, is the wind speed in miles per hour and T is the temperature in Fahrenheit. Wind Chill Chart or Wind Chill Chart Calculator will show you clearly the air temperature and. The effect of wind chill is to increase the rate of heat loss and reduce any warmer objects to the ambient temperature more quickly. 'Feels like' temperatures throughout the year are particularly influenced by wind. Wind Chill is a phenomenon that makes us feel colder in winter than the air temperature really is. This has the effect of moving heat away from the body and making the surrounding air feel colder than it actually is. The 'feels like' temperature is especially important on windy days due to the effect of wind on the evaporation speed of moisture from skin, the stronger the wind, the faster the cooling of the skin.