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LOCAL RESEARCH FOR UPSLOPE SNOW EVENTS SUGGESTS A
WELL DEFINED EVENT COULD TAKE PLACE STARTING FRIDAY AFTERNOON AND
CONTINUING INTO EARLY SATURDAY NIGHT.

http://iwin.nws.noaa.gov/iwin/vt/discussion.html

Good call Scott. Looks like possible long duration event as you hinted at below.



On 3/1/06, Scott Braaten <[log in to unmask]> wrote:
> In order to keep you informed...
>

> SIGNIFICANT UPSLOPE POTENTIAL FRIDAY EVENING-SATURDAY (Northern NY/VT):
<snip>
> This I agree with.  However, the veritcally stacked low rotating energy
> around it will keep upslope snowfall going from Friday afternoon through at
> least Saturday morning, and possibly longer.  The dynamics, moisture
> wrapping in from the Maritimes could spell a significant snowfall for the
> moutnains of the northern Adirondacks and central/northern Green Mountain
> spine.
>
> Just peeked at the 12z NAM/NGM and the amount of energy that drops
> southward across the north country on Friday afternoon is ridiculous.  That
> would be one heck of a snow squall line followed by an intense 12hrs of
> upslope snowfall.  This trend will be watched as travel would be impacted
> come Friday evening with a widespread band of whiteout conditions and heavy
> snow.
>
> Tomorrow it will come into the range of BTV's workstation ETA which handles
> these situations very well.  Even on the larger grid of the NCEP NAM up to
> 3/4" liquid is pumped out in the northern Greens and northern
> Adirondacks....which in itself is a strong signal of a heavy upslope
> snowfall.  I've been watching this stuff for 5 years now and when upslope
> factors produce heavy QPF on the higher grid model, it says something.
>
> In a worst case senario, we get a heavy round of squalls on Friday evening
> with a quick 2-6" of snowfall in the mountains.  Best case senario is round
> of squalls followed by upslope and 12+ by noon on Saturday...with snow
> continuing.
>
> -Scott
>
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