Western atmospheric physicist Professor Wayne Hocking was interviewed by The Globe and Mail regarding the violent turbulence that caused a Christmas Air Canada flight from Shanghai destined for Toronto to be diverted to Calgary.

The flight passengers described  feeling two sets of large up and down movements of the Boeing 777, before one final violent drop.

These experiences  suggested to Wayne Hocking that the turbulence may well have been caused by the oscillating gravity wave motion of the air in the upper atmosphere after it has passed over the mountain ranges of Alaska.

[Read the full story on Globe and Mail] [Calgary Sun story]

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