This was not something they had seen unless they had experienced extreme turbulence or been through a crash.

This valley could be part of that vanished structure, the mountains a reaction to the extreme turbulence of the area.

Frank realizes the Oceanic Six intend to return to the island, and minutes later, the flight experiences extreme turbulence.

It also allows them to stay above hard weather (extreme turbulence).

Begin rocking from the sudden, extreme turbulence.

However, in a time of extreme turbulence in his church, his tolerance was notable.

The pinnace lurched wildly from side to side as it hit another patch of extreme turbulence.

O'Neill fought the controls for a moment as sudden and extreme turbulence buffeted the ship.

It marks the entrance to the inlet and warns mariners of the extreme tidal turbulence.

The aircraft had been drawn into a thunderstorm and subjected to extreme turbulence.