SPC MD 1653



MD 1653 CONCERNING HEAVY SNOW FOR NORTHERN NY INTO NORTHERN VT

MD 1653 Image


Mesoscale Discussion 1653
NWS Storm Prediction Center Norman OK
0809 AM CST Wed Nov 21 2018

Areas affected...Northern NY into northern VT

Concerning...Heavy snow 

Valid 211409Z - 211815Z

SUMMARY...The potential exists for snow squalls, producing reduced
visibilities and snowfall rates approaching 1 inch per hour, to
develop this morning across northern New York as a cold front
advances eastward, reaching northern Vermont toward 18Z.

DISCUSSION...A deep, cold closed low will move across southern
Quebec today, while an accompanying cyclonic flow regime persists
through the northeast states.  Strong 100-110+ kt mid-upper low jets
will spread into central NY this morning and central/southern VT/NH
by early afternoon.  The discussion area favorable for snow squalls
will remain on the cyclonic shear side of the 500-mb jet, while
linear forcing along the cold front should also support an
environment favorable for snow squalls as this boundary advances
east.  Reduced visibilities and higher snowfall rates will tend to
be short-lived, limiting overall snow accumulation.

..Peters.. 11/21/2018

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...BTV...ALY...BGM...BUF...

LAT...LON   45137287 44977236 44977236 44697222 44467220 44137260
            43787321 42867451 42607559 42677675 42937709 43597638
            43927613 44347595 44867538 45127482 45367388 45137287 

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