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Wind chill index values for a range of temperatures and wind speeds, from the standard wind chill formula for Environment Canada. Wind chill (popularly wind chill factor) is the sensation of cold produced by the wind for a given ambient air temperature on exposed skin as the air motion accelerates the rate of heat transfer from the body to the surrounding atmosphere.
The wind chill also isn't a meteorologist's best guess at what the air outside feels like, because it's based on the actual measured temperature and wind speed.
With high wind speeds forecasted in the state, it'll feel much colder than the actual temperature. Here's what to know about wind chill and what the term means.
For example, in a scenario where the actual temperature is 10 degrees but the "feels like" temperature is -5 degrees, what that really means is that the wind chill is making it feel as if the air ...
English: Wind chill index values have been calculated and arranged in a table. The colour shading indicates levels of risk, according to Environment Canada. The colour shading indicates levels of risk, according to Environment Canada.
The heat index used by the U.S. National Weather Service and the humidex used by the Meteorological Service of Canada, along with the wind chill used in both countries, are also measures of perceived heat or cold, but they do not account for the effects of radiation.
Wind chill makes it feel much colder than it really is, so it's been described as a "feels-like" number. If the temperature is 0 degrees and the wind is blowing at 15 mph, the wind chill is 19 ...
Particularly dangerous situation wind chill warning NPW – Extremely low wind chills of −30 °F (−34 °C) or lower creating an enhanced risk of frostbite, hypothermia and death are imminent or occurring. This definitional criteria was consolidated along with the parent Wind Chill Warning product into the Extreme Cold Warning product in ...