The wind chill factor is the method used by weather forecasters to tell us how much colder the wind makes unprotected skin feel. So why do meteorologists say it's -10 with a wind chill factor that ...

As several states across the U.S. face freezing temperatures, wind chills are adding another frigid layer to the winter weather conditions, making already cold days feel even colder. Millions of ...

EPA, or Effective Projected Area, measures the size of the cross-sectional area of a fixture and its components as seen by the wind. This determines the overall strength of a fixture and the amount of ...