Add Yahoo as a preferred source to see more of our stories on Google. It is easy to tell at a glance whether or not it's snowing, but accurately measuring how much it is snowing presents numerous ...

Tackling a snow event is a vast and complicated system for the city of Philadelphia, requiring a revolving cast of roughly ...

From kids with hopes of sledding to adults wanting to avoid slippery roads, northern winters bring a lot of anticipation of snowfall. But the simple question “Is it snowing?” is more complicated than ...