Heavy to severe turbulence at all altitudes in this region.

The film shot on board was developed by investigators, and showed evidence that the aircraft experienced severe turbulence just prior to the accident.

The cause of the crash was determined to be an unrecoverable loss of control due to severe turbulence.

Pilots in the area also reported severe turbulence at the time of the crash.

Initially, the aircraft was unable to penetrate into the core of the eye due to severe turbulence; however, they were successful after a second attempt.

'What happens if we hit severe turbulence when you're not belted in?'

A flight instructor flying over the city at the time experienced severe turbulence.

On approach, severe turbulence was again encountered due to the frontal system having reached Berlin.

Very severe turbulence/ the pilot reported, We have vertical wind speeds of three hundred miles an hour plus.

It encountered severe turbulence, the left wing dropped, and the aircraft descended 100 to 200 feet lower than expected.