Warm fronts are red and cold fronts are blue, so what type of weather front is purple? Meteorologist Derek Witt explains in this “Weather Word of the Week.” In our last weather word, we took a deep ...

Radar has come a long way from its humble origins about a century ago, and today it’s become extremely advanced with numerous applications. Radar is actually an acronym that stands for Radio Detection ...

Add Yahoo as a preferred source to see more of our stories on Google. Here’s a weather word you’re more likely to hear in the late spring and summer than any other time of the year: derecho. Derechos ...

The Intertropical Convergence Zone, or ITCZ, is a belt that circles the Earth near the equator, where the trade winds from the Northern and Southern hemispheres meet. This convergence forces warm, ...

Chances are you've heard of an avalanche, and if you're a skier, you might even fear them. But do you know what actually causes them and how dangerous they can actually be? An avalanche (sometimes ...

Mammatus clouds are some of the most visually striking and unusual cloud formations in the sky. They appear as rounded, pouchlike lobes that hang down from the base of a cloud, usually under ...

Ground clutter may sound more like my son’s messy room than a weather word, but it can be just as frustrating. Not everything that shows up on weather radar is actually weather. Sometimes, what looks ...