A strong cold front is pushing across the eastern half of the country this week.

It brings bitter cold in the winter, relief from the heat during summer, and sometimes severe storms too. A “cold front” marks the transition from a warmer air mass to a relatively cooler one, and is ...

You’ve seen it on our weather maps many times, but what exactly is it? A warm front is the transition zone between a warmer air mass and the cold air it’s pushing out. It’s marked on weather maps by a ...