[alexk307]

But that's not what the paper says. It says Clear Air Turbulence (CAT) has gotten worse, not all types of turbulence. In this case, the flight flew through a convective storm.

Even so, the paper says there's been a 0.2-0.3% change in CAT:

> The largest increases in both absolute and relative MOG CAT were found over the North Atlantic and continental United States, with statistically significant absolute increases of 0.3% (26 hr) and 0.22% (19 hr), respectively, over the total reanalysis period.