Thunderstorms need certain ingredients in the atmosphere to form: moisture, instability and lift. However, for storms to tip the scale into severe status, additional ingredients are necessary, such as ...

CEDAR RAPIDS, Iowa (KCRG) - You may have heard this term before and if you’re wondering what it means, then this article is for you! In short, there’s both directional wind shear and speed wind shear.

JACKSONVILLE, Fla — Before we get into the details of this week's Tropics in Depth, it's probably best to start off with the basics of shear. Shear (or wind shear) is defined the change in wind speed ...

We often hear this term when weather is blamed for a plane crash. By definition, a wind shear is any change in wind direction and or speed either horizontally or upward. Typically some wind shear is ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Today we continue our Severe Weather ...