Michigan's December Weather: What's Happening Up High?
Way up in the sky, something odd is going on. The air is getting warmer in the stratosphere, which is a big deal. This event is called a Sudden Stratospheric Warming (SSW). It can make the polar vortex, a cold air whirlwind, wobble. This could mean big changes for Michigan's weather in December. Normally, the polar vortex keeps cold air stuck near the North Pole. Bu...