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Upstate/Eastern New York


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Nws has decent pops across the board for the middle-late portion of next week, not just for us west fans lol

Wednesday Night
Rain before 4am, then snow. Low around 32. Chance of precipitation is 80%.
Thursday
Snow. High near 34. Chance of precipitation is 80%.
Thursday Night
Snow showers likely. Cloudy, with a low around 18. Breezy. Chance of precipitation is 70%.
Friday
Snow showers likely. Cloudy, with a high near 24. Chance of precipitation is 60%.
Friday Night
Snow showers likely. Cloudy, with a low around 13. Chance of precipitation is 60%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 21. Chance of precipitation is 40%.
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A strong low pressure system is expected to move northwest of the
area later in the week. This system will bring in much colder air
and the potential for accumulating lake effect snow. At this time,
the more notable accumulations Thursday into Friday appear to be east
of the lakes, then shift southeast of the lakes later Friday into
Saturday.

 

MEDSN72_gfs215F120.png

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Just now, rochesterdave said:

Weird track. It actually retrograde west once north of us. This woulda been a hell of a storm if it was 250 miles SE. Those retrograde jobs hold the moisture, allowing LES to really ramp up. East of the lakes still looking great

Weird indeed. It's the recurrent theme of this winter.  Mean trough too far west. Earlier runs had the lead slp weakening but generally being progressive, allowing the secondary, or follow on wave, to develop further east.  Now, it's a shite system where we have to rely on LES scraps.

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Just now, wolfie09 said:

I actually think the mean wind flow will be out of the WSW, which sucks for most of us including me lol I'll probably be the transient zone as the winds veer NW and possibly become mult-bands... Hopefully I'm wrong but probably not lol

Ever since Matt started making his way back from FL models have trended badly. Coincidence? I think not. 

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Kbgm

Models have trended faster with the anticipated midweek system.
This brings cold air advection in Wednesday night instead of
waiting until Thursday, and also includes an opportunity for
rain to change over to wet snow late Wednesday-early Thursday as
the system lifts through and then out of the region, before
pattern transitions to more of a lake effect regime for Thursday
afternoon through Saturday. Details on this system itself
continue to be sketchy with run-to-run timing and strength
differences, and this will need to be worked out in coming days.

Chances for a brief snow accumulation on the back side of the
system Thursday morning will generally be higher for northern
portions of our region, but cannot be ruled out further south as
well especially at higher elevations. In the wake of the system,
gusty cold west-southwesterly winds are anticipated Thursday
afternoon, veering more westerly Thursday night-Friday; then
west-northwest Friday night-Saturday. This occurs within broad
cyclonic flow around an upper low slogging through southeastern
Ontario to southern Quebec; vorticity lobes rotating around it
could cause wind shifts/redirections of lake effect activity.
Accumulating lake effect snow appears probable for parts of
Central NY during the late Thursday through Saturday period,
but locations and details will become better assessed as we get
closer to that timeframe.
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9 minutes ago, wolfie09 said:

Canadian has the secondary the dominant low but it doesn't help us much with the synoptic precip.  The clown map for the lake effect portion should be fun. Lol

Disappointing again in aggregate. Looks like other than LES late next week, we will wrap up Feb with whatever snow totals we have now.  Leaves us a 2 or 3 week window in March for something decent...

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