Geography
Why the Jet Stream Meanders and Drives Mid-Latitude Weather
Quick fact
The jet stream can blow at speeds over 300 km/h (about 185 mph), and its meanders can shift storm tracks by thousands of kilometers.
Why this is interesting
Have you ever noticed how a summer heatwave can suddenly turn into a week of rain? The culprit is a river of wind high above your head—and it can bend and wiggle in ways that steer your weather.