The National Weather Service has warned that bitterly cold wind chills could result in hypothermia or frostbite.
The NWS uses computer modeling to "provide an accurate, understandable, and useful formula" to calculate wind chill. According to the NWS, the index calculates wind speed at five feet off the ...
The formula also accounts for heat transfer theory and skin tissue resistance, according to the NWS. For example, an air temperature of 10 degrees, and a wind speed of 25 miles per hour will ...