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Experimental ENSOCast Model v2: click here and associated blog post here.

ENSOCast: SST 3.4 Monthly Forecasts | Arctic Oscillation | North Atlantic Oscillation | Pacific/North American Pattern

Note that since the PNA is most variable in the winter and weakly variable in the summer, my index will correlate best with CPC during the winter months. This is okay, though, since the PNA during the summer is rather useless. Because of this, my index shows a weaker amplitude PNA during the summer than does CPC.


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