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 ...

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This is an archived article and the information in the article may be outdated.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 ...