HOW COME? More than cold weather needed for snow
Why doesn't it snow when the temperature is much below 32 degrees? asks Olivia Ellis, a student in Brookville
While it must be cold to snow, frigid weather isn't enough. Parts of Kentucky and Tennessee can get more than 20 inches of snow a year, but the average snowfall over frosty Antarctica is -- surprise -- a measly 6 inches. But it does snow around the South Pole, even though the average...