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Turkey Day Birch Bender Snow Storm/Observation Thread 11/28/-11/29


dryslot
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1 minute ago, dendrite said:

32.0° -SN

Evergreens and bamboo are getting a little saggy. 

Exactly why I'm hoping to stay on the RN side of this one - opening day tomorrow for Christmas trees here at the farm and after the last two years I'm done with branch-breaking paste jobs for a while.  Bring back the fluffier stuff hopefully for December and it's all good.   33.8° -RN 

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Mesoscale disco issued…

Mesoscale Discussion 2243
NWS Storm Prediction Center Norman OK
0947 AM CST Thu Nov 28 2024

Areas affected...parts of east central New York...southern Vermont...New Hampshire and southwestern Maine

Concerning...Heavy snow

Valid 281547Z - 281845Z

SUMMARY...Heavy snow rates on the order of 1-2 inches per hour appear probable in a corridor from the vicinity of the Capital District of New York through the southern Green into White Mountains of Vermont and New Hampshire, into areas north of Portland ME through 1-3 PM EST.

DISCUSSION...Rapid (2-4 mb 2-hourly) surface pressure falls are ongoing across the northern Mid Atlantic coast vicinity through southern New England, where substantive surface cyclogenesis is forecast to proceed beneath strengthening divergent flow between coupling upper jet streaks. Downstream of a mid-level short wave trough pivoting into the northern Mid Atlantic region, models indicate strengthening upward vertical motion becoming maximized within a saturating layer near/just above 600 mb, where temperatures around -15C are conducive to large dendritic ice crystal growth.

Thermodynamic profiles across the lower Hudson/Champlain Valley vicinity into New England are still largely sub-freezing, aside from a slowly deepening near-surface layer slowly advecting across the lower Hudson Valley into southern New England. It appears that the near-surface environment will remain cold enough in a corridor (roughly) near/northeast of the Capital District of New York through the Portland ME to support heavy accumulating snow, which various model output indicates probably will include rates on the order of 1-2 inches per hour.

..Kerr.. 11/28/2024

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