We have a complex early winter (Halloween) storm situation developing for the Northeast with typical big variations depending on which model you look at.

It will be cold this weekend but that’s just part of the story as we’re also talking about snow and a lot of upper energy coming out of Canada which will deepen the trough and may help support snow flakes into the Big Cities. Accumulation wise, look to the higher elevations back west and north.

You can see the upper energy dropping into the east, deepening the trough. This will help cool the atmosphere beneath, bringing the significant snow to the mountains.

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Surface

ECMWF is more bullish than the GFS on intensity of upper trough/energy as well as snowfall

GFS through 120 hrs.

ECMWF through 144 hrs. BIG snowstorm for New England after bringing 3-6 inches to mountains of VA, WV.

Cold nights for early November follow this storm.

Saturday night temps.

Sunday night

Warmer air returns with ridging next week.

See today’s US video for more.

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