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| Jet stream pattern highly non-zonal |
The North American continent looks to be in schedule for an
early winter as a number of factors seem to be in play to encourage the odds in
that favor.
Two early events; hurricane Sandy (which hit right at the
start of November) and the Nor’easter storm that occurred towards the end of
the first week are indicators, to me, of a global shift in the long waves
personified by the jet stream that had already become persistent starting in
late October.
Two other global factors including the shifting ENSO towards
a positive El Nino and a solar max that has been anything will also possibly
encourage more dramatic inflows of arctic air early on. This general pattern
will lead to more and more dramatic cold fronts, especially across the east
coastal regions as we get into the latter part of the month.
Other more minor indicators of a shift will snow that might develop towards this coming weekend in parts of central Missouri. Nothing in the way of accumulation, but would be fun to see.
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