When looking at a surf forecast, there are several key factors to take into consideration, including swell direction, swell height, tide times, wind speed and wind direction. If you can understand ...

Thursday started off brutally cold in Chicago, with wind chills dipping below zero, but what exactly does that mean and how is it calculated? A wind chill is the "measure of how cold the air feels on ...

Mike Moss: The term "wind direction" is defined as the compass heading FROM which the wind is blowing. This is in contrast to the term "bearing," which indicates the direction toward which an object ...