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1/3-4 Return of the North Trend?


bncho
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Euro shows a dusting for DC and GFS keeps shifting north every model run. Might be a surprise event and things are trending in that direction. h5 starting to look more conducive for a small event. Let's reel this in.

Screenshot 2026-01-01 at 1.42.48 PM.png

Screenshot 2026-01-01 at 1.42.58 PM.png

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Maybe a pedantic clarification, but the Euro isn't necessarily showing snow here because of a north trend.  What it is doing is swinging a more potent vort through OH into our region which helps with the lift needed for a minor accumulation.  The other models don't have that feature or are weaker.

euro500hv.us_ma.thumb.png.4a22700b193fb9d634b9f5e5cf95bace.pngGFS500hv.us_ma.thumb.png.e177eebb44f506f899f4e54616fb4497.pngNAM500hv.us_ma.thumb.png.22bdafddedd8245526419c1fd81640cb.png

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1 hour ago, MN Transplant said:

Maybe a pedantic clarification, but the Euro isn't necessarily showing snow here because of a north trend.  What it is doing is swinging a more potent vort through OH into our region which helps with the lift needed for a minor accumulation.  The other models don't have that feature or are weaker.

euro500hv.us_ma.thumb.png.4a22700b193fb9d634b9f5e5cf95bace.pngGFS500hv.us_ma.thumb.png.e177eebb44f506f899f4e54616fb4497.pngNAM500hv.us_ma.thumb.png.22bdafddedd8245526419c1fd81640cb.png

Absolutely. I made a post about this yesterday. I love that you incorporated the word pedantic though lol.

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LWX AFD from this afternoon on the "threat"

Meanwhile, stalled front to the south will try to lift back to the
north Friday evening into Saturday. A wave of low pressure looks to
traverse this boundary Saturday morning with a secondary wave of low
pressure lifting north and east of the Deep South toward the
VA/NC coast Saturday night into Sunday. With residual high
pressure to the north and east, cold air will be available for
some wintry precipitation to occur across portions of the
forecast area Saturday afternoon into Saturday night. Main
question is if phasing can occur, which remains highly
uncertain. Right now, the highest confidence for wintry wx
would be along and south of I-66/US-50 and east of the Blue
Ridge mountains. We`ll continue to monitor this threat to see if
the northward trend amongst the guidance continues. If so, some
travel disruptions are possible late Saturday afternoon into
Saturday night, especially on elevated and untreated surfaces.
More at weather.gov/lwx/winter.
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