By Amanda Williams PUBLISHED: 12:35 EST, 24 June 2013 | UPDATED: 12:52 EST, 24 June 2013 A spate of unusual weather which has seen snow, sun and thunderstorms hit within days of each other has been put down to the jet stream 'wobbling like a drunk driver'. The jet stream, a river of air high above Earth that generally dictates the weather, usually rushes rapidly from west to east in a mostly straight direction. But lately it seems to have been knocked off course, wreaking havoc across America as it goes. A spate of unusual weather has been put down to the jet stream 'wobbling like a drunk driver'. The odd meanderings kicked off in May with upside-down weather, including early California wildfires fueled by heat
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Jet stream is river of air high above Earth that generally dictates the weather
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Usually rushes rapidly from west to east in a mostly straight direction
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Lately it's been knocked off course, and wreaking havoc across America
In @placeholder the meandering jet stream path has been attributed to arctic ice loss.