- Aug 8, 2012
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The Polar Vortex forms in Autumn of each year and lasts for a few months. Fluctuations in the Vortex are caused by higher than normal temperatures at lower latitudes. These temperature variations can cause the Vortex to wobble allowing a mass of cold air to slip southward in turn creating more intense winter weather. These wobbles are temporary (a few days).If theres more evaporation, thus more cloud cover,
and more snowfall- isnt it assuming a bit much that its temporary?
I'm not sure what you mean by evaporation in this context. Warmer air is more capable of holding water. As a result rainstorms can be more intense causing flooding. Evaporation is not a significant factor driving a Polar Vortex wobble and snow will still, eventually melt and run off as water like normal.
OB
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