

Some recent SSWs – 2009.

and 2001.
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AO is drifting down. It should accelerate.
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the GEFS sees the normal -AO temperature anomalies across the hemisphere.

The 16 day GFS shows the dominance of the cold.
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The EC is splitting the cold polar vortex,

A lot of uncertainty among the model ensembles on the AO.
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