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where T wc is the wind chill index, based on the Fahrenheit scale; T a is the air temperature in degrees Fahrenheit; and v is the wind speed in miles per hour. [ 13 ] Windchill temperature is defined only for temperatures at or below 10 °C (50 °F) and wind speeds above 4.8 km/h (3.0 mph).
The calculation utilizes wind speed in miles per hour and temperature in degrees Fahrenheit. ... The National Weather Service also has a wind chill calculator available online.
You can also approximate the wind chill with a little mental math: If the temperature is minus 13 degrees and the wind speed is 15 mph, the wind chill will be somewhere between minus 32 and minus 39.
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 ...
Apparent temperature, also known as "feels like", [1] [2] is the temperature equivalent perceived by humans, caused by the combined effects of air temperature, relative humidity and wind speed. The measure is most commonly applied to the perceived outdoor temperature.
A cold weather advisory (formerly known as a wind chill advisory until October 2024) [1] is a hazardous weather statement issued by Weather Forecast Offices (WFO) of the National Weather Service (NWS) in the United States to alert the public that temperatures or wind chills are forecast to reach values low enough that it poses a threat to human health and life if adequate protection is not ...
However, the National Weather Service at Wilmington's records show the lowest wind chill value ever recorded was -48 degrees at Cincinnati/ Northern Kentucky International Airport in 1985. Those ...
Charles Eagan (1921 – March 11, 2010) was a Canadian scientist working in cold weather physiology, known primarily for advancing the wind chill formula.. Antarctic explorers Paul Siple and Charles Passel had created their original formula for wind chill measurements in 1939 by drawing on data that showed how long it took water to freeze in a cylinder under various wind and temperature ...