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The odds of encountering turbulence on your flight are increasing - 12th September

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Incidents of severe air turbulence are on the rise and there will be worse to come as climate change takes hold, scientists have warned.

Last month a United Airlines flight from Houston, Texas to London Heathrow was forced to make an emergency landing at Shannon Airport in Ireland after severe turbulence left 16 passengers needing hospital treatment.

In June dozens more passengers were injured when turbulence rocked a Malaysia Airlines flight from London to Kuala Lumpur as it flew over the Bay of Bengal.

On the face of it, incidents like these might seem to have little to do with climate change, but scientists say these narratives are intrinsically linked.

When we think of global warming we’re usually thinking about the fact that it’s getting warmer at ground level, but in fact the temperatures are changing higher up in the atmosphere including where planes fly at 35,000ft,” said Dr Paul Williams, an atmospheric scientist at the University of Reading.

The atmospheric winds and temperatures up there are very strongly tied together and therefore the winds are changing in response to the temperature temperatures.’’

The aviation industry is a leading emitter of carbon dioxide – which acts as a thermal blanket for the Earth – and is now falling victim to the very climatic change it has helped create.

Transatlantic flights are likely to be significantly impacted by rising temperatures because the effect climate change is having on the jet stream. 

Our study finds that the jet stream winds along the flight route between London and New York are getting stronger because of climate change – they are getting 15 per cent stronger in winter,” he said.

Turbulence is the most common cause of injury to air passengers – in US alone there are an estimated 58 injuries annually because of it – and according to the US Federal Aviation Administration, the number of injuries doubled between 1982 and 2003 (including adjustments made for the rise in number of flights).  

There is little pilots can do to avoid lumps and bumps in the skies: clear air turbulence is not visible to the naked eye, isn’t detectable on radar and can’t be accurately forecasted.

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