As of Monday evening, the National Hurricane Center (NHC) has a 40% chance of tropical development either east or west of ...

A mesoscale convective complex, or MCC, is made up of individual thunderstorms that covers a large area, about 40,000 square ...

Thunderstorms can be characterized by their classic anvil-shaped tops, which are where the air hits a strong, stable layer of the atmosphere and can’t force its way through it. This layer is often ...

As clouds build in the initial stages of thunderstorm development, millions of tiny ice crystals and pieces of small hail are tossed around violently, colliding at high speeds with each other.

Severe Weather Awareness Week began Monday in Tennessee, and each day on News4, we'll be breaking down the different types of severe weather storms can produce.

This is a sign of instability and the beginning stages of thunderstorm development, know as the Cumulus Stage. During the second stage, know as the Mature Stage , there will be a combination of ...