A cloud waterfall is when moist air rises over terrain, forming a cloud that appears to spill over a ridge before evaporating on the other side.

For a very long time, English speakers observed two seasons rather than four. Summer and winter, the warm time of year and the cold time of year, were the seasons. But by the 12th century, a word had ...

Pillow drift may sound more like a sleepy word, but it actually has to do with snow. We have heard about snow drifts in weather words before, but a pillow drift has a different twist. Pillow drifts ...