First Nor'easter possible late this week

powderfreak

New member
FIRST NOR'EASTER POSSIBLE...

12z GFS develops the first nor'easter of the season late on Thursday with New England primarily effected on Thursday night and into Friday. H85 temps fall to -3C across northern NY and northern VT supporting light to moderate accumulating elevation snow should this pan out (for this season, I'll continue using "light," "moderate," and "heavy" wording to signify 1-4", 4-8", and 8"+ ). It is not the only one showing east coast cyclogenesis as the 12z EURO had a very potent low even coming inland into New England. It is a warmer solution with snow further north and west of this area. Canadian model does not phase and keeps the low south and east of the area...but its still cold with H85 temps falling to -6C. However, the more easterly GFS shows critical thickness values do fall below the 540dm in the 'Dacks up through northern VT. I would feel comfortable forecasting accumulating elevation snows for upstate NY, VT, NH, ME, and maybe even the Berkshires per the 12z GFS solution for late this week.

The overall synoptics I'll be watching this week will include how the Great Lakes low evolves and if enough energy from the northern jet is able to phase with the southern jet off the eastern seaboard in the vicinity of SNE. What has me thinking this could actually pan out is research done by Heather Archambault which shows that when the NAO is in a transition period, large, synoptic scale precipitation events are more likely to occur. If any of you read my weather thoughts post, I stated the NAO and AO just switched from positive to negative and going along with her research, some sort of amplification along the east coast is more likely to occur.

I'm more excited about having something to track than anything else. Elevation snows would be nice, too. The overall range of solutions right now include nothing but cold and some mtn flurries to a heavy rainstorm to 7,000ft to an elevation dependent snowstorm.

Its getting to be that time of year again...yeee freakin' haw baby!

-Scott
 
Tony Crocker":2847gpgf said:
Patrick's streak may keep going if this pans out ....
I am already on it....but I cannot go on Sunday no matter what. Morgane's birthday & party is on Sunday, she's turning 10. Lucky Luke cannot go this weekend and I don't have a car for the entire weekend. :-k
 
We got a trailbuilding school in the Laurentians... but if it snows, i'll drop everything and head out south to VT!
 
Oh la la. Day 1 is around the corner. Off crutches in the past week and hopefully I'll be on the boards soon.
 
I'm not a specialist, but the opportunity for good snow this weekend has gone down significantly.

Opinions, Scott?
 
The last 24 hours have seen the forecast models come into agreement on the evolution of the storm system that will effect the region from Friday through Saturday. The northern stream energy will drop south and phase with the slow moving piece of energy moving through the Ohio Valley. Now, at first I wanted the energy to phase, but in this case the 500mb vort dropping south out of Canada is moving much faster than the energy moving south of the Great Lakes...and will create a surface low that is pinwheeling around the upper level trough. This will track it up the Hudson River Valley and through the Champlain Valley. Being on the warm side of a marginal situation means that the only chance for true accumulating snow is likely the far western Adirondacks and higher terrain around the Tug. There might be a few flakes in the highest elevations at the tail end in VT but 850mb temps don't support anything lower than 3,500ft with the synoptic precipitation. Now, as cold air filters in from the west, and the lakes get involved, orographic precipitation could bring snowflakes and/or some accumulation down to 2,000ft and above (mostly on Saturday morning through early afternoon) in northern Vermont. The Adirondacks again stand the best chance, though, for accumulating snow as they are closer to the cold air core and precipitation off the lakes might be slightly heavier aiding dynamic cooling.

I'll have more tomorrow on any snow that may fall on Saturday across upstate NY and VT. Temps will be more marginal over in NH but snow will be possible across the higher elevations...the problem will be getting a mechanism for precipitation.

-Scott
 
From BTV's AFD this afternoon...

ALONG WITH
MODERATE LAKE/85H INSTABILITY HAS PRODUCED A STRONG LAKE EFFECT
BAND FROM EASTERN LAKE ONTARIO INTO SOUTHERN/CENTRAL ST LAWRENCE
COUNTY TODAY. CALLS TO OUR MTN OBSERVERS AND WEB CAMS HAVE INDICATED ALL
RAIN SO FAR. HOWEVER...JUST RECEIVED A CALL FROM OUR SOO ATOP MOUNT
MANSFIELD THAT LIGHT SNOW WAS OCCURRING AT 230 PM WITH NO
ACCUMULATION YET.

-Scott
 
1.1in of snow fell on Mount Washington... Not enough to go skiing! Can't wait to see if anything fell at $towe or Jay...
 
Heavy 2 inches on the summit of Jay. Dusting down to I'd say about ~2500' or so. I was able to squeeze some rough and dirty first turns of the season at the top 300 vertical. With some safety "turns" further down. I'll try and post some pictures tomorrow evening.

October turns 4 out of the last 5 season in the East! Let the winter of 07/08 begin!
 
Bravo. A skier more obsessed than I am, wow. :lol: I honestly didn't even give it much thought after the weather forecasts for the weekend looked bleak. Can't say I regret not trying for 300 verts of 2"!
 
In addition to what's already been posted in this thread, here's an update on some of the recent weather and skiing that I've seen going on in Northern Vermont this weekend.

I got a few pictures on Saturday of what appeared to be the first white of the season for the Northern Green Mountains:

13OCT07A.jpg


13OCT07B.jpg


13OCT07C.jpg


Text update and links to larger pictures at:

http://list.uvm.edu/cgi-bin/wa?A2=ind07 ... =D&P=29527

This morning, I took a peek at Camel's Hump and although the clouds were still covering the highest elevations, I was able to catch a glimpse of new snow down at around the 2,500' - 3,000' elevation. I never got around to getting a picture, but I made a quick observations report to SkiVT-L:

http://list.uvm.edu/cgi-bin/wa?A2=ind07 ... =D&P=30161

It looks like there was a little white this morning for Sugarbush, as there was a quick report made on SkiMRV.com with a couple of pictures:

http://forums.skimrv.com/about1080.html

Like DD reported above for Jay Peak, Sam Lozier, Allen Taylor from SkiVT-L, and their friend Wes headed up to Bolton for a little skiing today. Sam said that there was no new snow accumulation at Bolton's main base area (elevation 2,150') but there was around 1-1.5 inches at the main summit (elevation 3,150'). I haven't seen any pictures from that trip, but here are a couple of their text reports:

http://list.uvm.edu/cgi-bin/wa?A2=ind07 ... =D&P=30660
http://list.uvm.edu/cgi-bin/wa?A2=ind07 ... =D&P=31671

No reports that I know of with regard to skiing on Mt. Mansfield yet, but the latest data from 5:13 P.M. is indicating only a trace at the stake (elevation 3,950). It sounded like there were several people planning to hit Mansfield if there was even a little snow, so maybe we'll hear something about it.

I haven't looked too hard to see what else went on in the area, but at least it looks like the highest elevations got an inch or two of new snow, and some folks got out for a bit of October sliding.

J.Spin
 
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