In this animation, the colored arrows show these upper level winds. The orange and red arrows show the regions of strongest winds, which make up the jet stream.

The Yukon, the N.W.T. and western Nunavut are experiencing above-average temperatures. According to Environment and Climate Change Canada, it's going to stay that way for the month of January.

Large-scale weather and climate patterns, guided in part by the jet stream, play a major role in the storms and cold outbreaks that define winter weather across the nation.

Weather maps from netweather.tv shows the jet stream in red completely obscuring the country and passing through Britain on Tuesday, February 4 at 10pm, bringing with it strong winds and the ...

Up to 20 centimetres of snow could fall in some areas of the UK as a Nordic jet stream unleashes a big freeze on the British Isles. The weather map from WX Charts shows snow is possible in areas ...

Weather maps from netweather.tv shows the jet stream in red completely obscuring the country and passing through Britain on Tuesday, February 4 at 10pm, bringing with it strong winds and the ...