A single number can tell you quite a bit about storm potential above your house. CAPE is one of the key metrics we use when ...

When air is moving perpendicular to a mountain range very quickly, it encounters that barrier. It then gets lifted up, and ...

There are increasing indications that an El Niño is not only imminent — setting in by late summer or early fall — but that it ...

Therefore, no First Alert Weather Day has been formally issued, but we may suddenly upgrade one or more days this week if ...

Weather forecasts for Los Angeles and Southern California predict rain this weekend, which could linger through Monday. There ...

Many things need to come together in order to form severe weather. The week ahead will feature several combinations of ...

A climbing route unfolds under rapidly changing weather conditions as a storm begins to move through the area. Rain and wind ...

Perry Samson was helping students conduct field experiments on supercell storms in Kansas in 2008 when one suddenly turned ...

The halomethane compound bromoform (CHBr3) has devastating effects on the ozone layer. In the upper layers of the atmosphere, ...

In October 1989, a blast from the sun flung out a stream of super-powered protons. This solar storm lasted for days and ...

From skinny ropes to mile-wide monsters, no two twisters are the same. Here’s what you need to know to tell a wedge from a ...