Subj : MESO: Mesoscale Discussion 0254
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Mar 04 2023 06:41:40

ACUS11 KWNS 040641
SWOMCD
SPC MCD 040640=20
MEZ000-NHZ000-VTZ000-NYZ000-041245-

Mesoscale Discussion 0254
NWS Storm Prediction Center Norman OK
1240 AM CST Sat Mar 04 2023

Areas affected...portions of northeast NY into VT/NH and western ME

Concerning...Heavy snow=20

Valid 040640Z - 041245Z

SUMMARY...Heavy snow with rates of 1 to 2 inches per hour is
expected across parts of northeast New York, into New Hampshire,
Vermont, and western Maine through around 12z/7am EST.

DISCUSSION...Areas of light to moderate snow are ongoing across
portions of the New England. A heavier band of precipitation over
eastern NY into MA and southern VT/NH will lift north/northeast and
intensify overnight. This activity is occurring within a band of
strong 700 mb frontogenesis and midlevel warm advection, ahead of a
compact upper trough and surface cyclone. Forecast RAP soundings
show thermodynamic profiles becoming saturated, with an
approximately 2.5 kft deep dendritic growth zone. Strong ascent
through the DGZ and the saturated thermodynamic profile will support
increasing snowfall rates, with periods of 1 to 2 inch per hour
rates expected. The highest snowfall rates appear most likely in the
08-12z time frame.

...Leitman.. 03/04/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!_dITruXnx1OeAGwFrgV6c6Ft4D-VWtgkx0ETLA1iIGZS3hjVPp5kjg6ToqXqZSChptMiy3hxJ=
8Wo_JBXTj1U8NWObzg$  for graphic product...

ATTN...WFO...CAR...GYX...BTV...ALY...

LAT...LON   44766918 44446915 43776951 43107032 42857130 42807171
            42777317 42957402 43557441 44687439 45127350 45437156
            45497054 45196953 44766918=20


=3D =3D =3D
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