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wind chill

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia 0.02 sec.
wind chill
because strong winds magnify convective heat loss from the body, a climatic hazard is not exposed simply by quoting the temperature. A combination of air temperature and mean wind speed gives the important wind chill index.

wind chill index
derived from the equation:$$\hbox{W}_{\rm CI}=(10\times \hbox{W}^{-2}+10.45-\hbox{W})(33-\hbox{T})$$
where WCI = wind chill index; W = mean wind speed in meters/sec; T = air temperature in degrees Celsius.
wind chill temperature
special thermometers are available to express the effect of wind on the sensation of temperature. Based on the estimation of what the air temperature feels like to a human when the particular temperature is accompanied by a wind of a certain speed.


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Wind chill makes it feel 5C or 6C colder than it is.
That will be a notable difference from what folks in Pittsburgh will feel at kickoff, when it will be 33 degrees with a wind chill of 24, the weather service says.
Spartanburg, SC - wind chill advisory remains in effect for Western North Carolina until noon Friday; wind chills in the morning morning could average in the five to fifteen-degree below zero range.
 
 
 
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