The plane hit quite a bit of 'turbulence' during our flight.
A period of 'turbulence' preceded the riots.
political/economic/emotional 'turbulence'
(..) All right. We're closing in. - Ben: Getting close. - Copy that. - What was that? - Clear air turbulence. It happens when you fly this low. - You'll get used to it. - Not likely. Okay, Ben. (..)2002 Shark Attack 3: Megalodon