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Showing results for tags 'fall'.
Some are saying this Fall could be coolish/below average across the East U.S. Particularly Nov-Dec. Though me thinks 1999 and 2008 are good analogs to start Autumn respecting the 500mb pattern evolution. Those two years were also chosen for this hurricane season. No doubt September will start above average temp wise(with and uptick in tropical activity) due to a CCKW and MJO wave over the Western Hemisphere. But as we get towards the second half of the month the MJO wave should move on over to the Nina sectors. Eastern Hemispheric/La Nina MJO forcing during the Fall typically favors PNA