As we come into the north-flowing warmth of the North American spring, the impacts of snow drought and heat dome are prepping ...

Every winter, millions of people brace for news about the polar vortex - that vast, spinning mass of frigid Arctic air high in the stratosphere that occasionally escapes its usual boundaries and ...

A very strong El Niño is expected to develop in the Pacific this year. What does that mean?

The swirling winds tens of thousands of feet high in the sky above the Arctic — the dreaded polar vortex — broke apart into three parts to ring in 2019. Now the eastern half of the United States is ...