This is a picture of a wind chill index chart as of 2001.
Wind chill is how cold it will feel outside for people and animals when they are outside. Wind chill is the heat loss from wind and cold on your skin. When the wind increases it will make you feel colder because it will draw heat from the body.
- http://www.crh.noaa.gov/images/apx/windchill.gif
- http://www.mountwashington.org/weather/wind-chill.php
- http://www.nws.noaa.gov/om/windchill/windchillglossary.shtml