Quote:
Originally Posted by freebeard
.... record setting cold in Denver.
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Worse than snow, is the excess atmospheric warming, which is causing the jet stream to waver & at times, reach to the south. With the jet stream to the south, Arctic cold, pressured by incoming warm fronts from the south, can move to lower latitudes.
Presently, the jet stream has sagged south of Colorado. Warm fronts from the south have caused almost 4 million square kilometers of the high Arctic to elevate 4degC to 7degC over average. The warm front also had the energy to push the Arctic cold front all the way to Colorado, with no resistance from the jet stream, as stated, which is south of Colorado.
Another case in point, in January 2009(?) the North Pole was very warm (between 5degC & 14degC over average), heated by said warm fronts. The far north Arctic cold was powered rapidly to the south, causing Maine's lowest ever recorded low temperature of -50degF.