Later this week, we will have our second cold front of the year, and our first significant drop out of summer temperatures.

Let’s explore the four main ways air is forced upward in the atmosphere and how each one triggers storm development.

Why does the temperature sometimes drop 20, 30 or even 60 degrees overnight in Oklahoma? It all starts with a cold front. Lacey Swope explains what a cold front is, where the cold air comes from, why ...