When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation ...

In the United States, our weather patterns usually travel from the west to the east. Sometimes, we can see variations in that a system will move in from the northwest or southwest, but Missourians ...

Finally, the wavy jet stream became locked in place by persistent high-pressure systems, anchoring storm tracks over the same regions. This led to repeated episodes of heavy rainfall and catastrophic ...

The sky may seem like a huge open playground for airplanes to fly without speed limits in any direction they wish. In reality, planes adhere to certain rules and follow fixed flight paths, much like ...

The polar night jet, the high-altitude winter wind that circles the Arctic, acts like a flywheel for the cold season in the Northern Hemisphere. As climate change erodes the temperature contrast that ...

An email from Jerry asks why there is a jet stream and why is it called "jet stream." If we think of the air flowing around the planet as doing so in streams like rivers it may then be a little easier ...