Polar Vortex, Jet Stream and SSW: effect on surface weather explained in some videos
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Why do I talk about PV = Polar Vortex?
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Well, this can happen to EU as it took place in USA/Cannada 2019 = PV made that!
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Jet stream = Generate low pressures = strong jet = massive wet, windy and warm winter as seen over the Nordic the last weeks
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The Polar Vortex (PV) guides the Jet Stream = The PV guides the low pressures over NC/EU if the PV “contours” is located over NC/EU
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An SSW disrupt the polar vortex (PV) = can disrupt jet stream = increased risk for more cold-calm-stable Hi-pressure = stable cold winter weather over the Nordic and/or C-EU
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