The Two Most Turbulent Airports in the U.S.

Such mountain wave turbulence can be extreme.

Is Global Warming Causing Aircraft Turbulence to Increase?

… there are no reliable studies that indicate a substantial increase in aircraft turbulence due to changing climate conditions.  The media is needlessly causing folks to worry about flying. 

Claim:  Turbulence is Getting Worse due to Climate Change

…none of the news reports contained any actual turbulence data to see if this is actually becoming a problem in a warming world.