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1 hour ago, CNY-LES FREAK said:

Once again their focusing on a W-WNW flow starting Tuesday and lasting through Thursday but this time its plenty cold at all levels of the BL, with 850's down to about -12C to -15C!

Sent from my SM-G930V using Tapatalk
 

Maybe in cny that's true but winds are yo turn southwesterly next Thursday night and Friday on Niagara frontier. Here's the map from the 18z GFS...

 

 

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A mid level shortwave and
associated surface trough will approach Wednesday and cross the
eastern Great Lakes Wednesday evening. Boundary layer flow will
become more westerly and better aligned ahead of this trough, with
moisture and instability also improving. This may allow for more
organized lake snows east of the lakes.
A ridge may force the lake snow to weaken by Thursday. Another,
potentially stronger clipper shortwave will move through the Great
Lakes Thursday night. This may produce a few snow showers areawide.
Lake effect snow would likely become better organized again
northeast of the lakes along the clipper cold front, then settle
into areas east of the lakes again by Friday.
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Kbuf

 
In regards to precipitation...the main concern will be two rounds of
lake snow that could lead to significant accumulations...
particularly in the vcnty of the Tug Hill. This could result in
winter weather headlines (advisories/warnings)...so stay tuned.
Breaking this down on a day to day basis...

As we open this period Wednesday night...weak mid level ridging and
the nose of its associated sfc high will push across the region
Wednesday night. This should encourage fair dry weather over much of
the forecast area...however a deep westerly flow of moderately cold
air will support lake snows east of both lakes. While the flow will
start to back during the overnight hours...multiple bands of lake
snow will likely generate some accumulation over the majority of the
Southern Tier with a cap around 8k ft likely allowing moderate to
heavy snow within a single plume of producing problematic snow near
the Tug Hill.

On Thursday...a robust shortwave will dig across the Upper Mid West
and push a cold front to southern Ontario. This will help to
establish a short lived warm advective pattern within a backing
steering flow over our region. The on going lake snows will push
north towards Buffalo and Watertown while weakening as the cap
should drop to around 5k ft. Nevertheless...some accumulations can
probably be expected...especially over Jefferson county and northern
parts of Lewis county. The remainder of the region may see a stray
snow shower or flurry...but nothing more.

The aforementioned strong shortwave and sfc cold front will plow
across our forecast area Thursday night...likely before midnight.
This will result in some snow showers across the region that could
be briefly accompanied by some gusty winds and greatly reduced
visibilities. During the second half of the night...lake snows will
become re-established east of both lakes. Once again...a single
plume could target the Tug Hill region with the likelihood that the
band will be enhanced by an upstream connection to Lake Huron.
Multiple bands will be found east of Lake Erie.

As the base of the overlying mid level trough moves across the
region on Friday...a large sfc high will make its way across the
Upper Mid West. This will encourage the steering flow to veer more
to the west Northwest...likely pushing the lake snows a little
further south from the previous night.

The surface high will slowly ease across the Upper Ohio Valley and
Lower Great Lakes Friday night and Saturday...gradually lowering the
cap in the process which will bring an end to the lake snows
southeast of both lakes
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I can't even read their AFD's anymore, lol, what a joke! I'll resort to KBGM for our forecast here in So. Oswego County, because they could care less for areas to the SE of the Lake, and I don't blame them cause its not in their area of concern!  Their wrong 2/3rds of the time anyway, lol, especially their maps! Just the nature of LE I suppose!

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Well looks like the holidays will be near avg or slightly above so not bad as normals by then are close to freezing anyway, so all in all, get past the next 10 days of BN then 10-15 of AN then Old Man Winter takes over till April, so whoever doesn't like Winter, enjoy the  next 20 days or so, lol!

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6 minutes ago, TugHillMatt said:

Well, BUF's forecast discussion sure was depressing this morning... Our significant west flow lake effect event has now become "not significant", cold pattern break down, above normal temperatures.......

Yeah wake me up in a few weeks. ^_^

KBUF should have never mentioned that significant LES event, it wasn't even in the models. Did they get any new employees recently, have been pretty terrible this year. 

Look at these indices. Literally all going the wrong direction in a strong way. This would usually result in well above average temps, but I think we average just slightly above for Dec. 

https://www.esrl.noaa.gov/psd/forecasts/reforecast2/teleconn/forecast.html

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Lucky for November or we would be well below avg the way the next 2 weeks look lol Especially given December is a big month east of the Lake..

The Next event is being shown most WSW-SW, not many win in here on that flow..(off ontario)

Best shot of significant snow was pre clipper/front, once that front passes the band will fly south and break up..

us_model-en-087-0_modez_2018120200_240_479_323.png

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