AO appears to be going negative, PNA going slightly positive in the next 1-2 weeks, suggesting colder pattern sometime after Thanksgiving, towards the end of the month.
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This morning's GFS was back to a chilly Thanksgiving with the front passing through a little earlier, topping areas out in the upper 40's to low 50's for highs, then falling into the 30's Thanksgiving night. Black Friday? Upper 40's for highs with freezing temperatures for parts of the north shore by the Saturday morning and mid 30's for the south shore away from the lake...frost for everyone.
AO appears to be going negative, PNA going slightly positive in the next 1-2 weeks, suggesting colder pattern sometime after Thanksgiving, towards the end of the month.
Some disagreement among the GEFS/EPS Members, but teleconnections look fantastic for cold next week, and possibly into December.
This weekend's front continues to look nice with some inland spots seeing 30's by Monday morning. From Thanksgiving on is looking awfully chilly with multiple rounds of cold air moving in.
