Our current jet stream configuration is so straight you could trace it with a ruler. I'm sure you've heard of the jet stream, the narrow bands of stronger winds that circulate high above the ground.

Add Yahoo as a preferred source to see more of our stories on Google. A monster-sized jet stream is about to take a ride across Canada with unusual January weather. When looking at it from afar, it's ...

Most of our big weather systems form when the jet stream twists and turns over Canada. But a straight jet stream can bring its own set of challenges Wiggly, twisty jet streams are the driving force ...

A monster-sized jet stream is about to take a ride across Canada with unusual January weather. When looking at it from afar, it's a thing of meteorological beauty. A ruler-straight jet stream, ...