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An especially insidious form of turbulence has gotten worse because of climate change, according to new research. It’s turbulence that forms in cloudless skies that’s typically invisible to a plane’s radar, called clear-air turbulence. And it’s projected to become a bigger problem as the world warms.
Severe clear-air turbulence (CAT) has already become more common, according to a study published in the journal Geophysical Research Letters last week. On a typical flight route over the North Atlantic, there was a 55 percent increase in clear air turbulence between 1979...
