Subj : MESO: Mesoscale Discussion 0130
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Feb 03 2023 03:39:46

ACUS11 KWNS 030339
SWOMCD
SPC MCD 030339=20
MEZ000-NHZ000-VTZ000-MAZ000-NYZ000-PAZ000-030745-

Mesoscale Discussion 0130
NWS Storm Prediction Center Norman OK
0939 PM CST Thu Feb 02 2023

Areas affected...Northern into central PA...central NY...VT...and
western NH

Concerning...Snow Squall=20

Valid 030339Z - 030745Z

SUMMARY...Snow squalls could continue spreading east-southeastward
across parts of the Northeast during the next few hours. Rapid
visibility reductions in bursts of heavy snow are possible.

DISCUSSION...Latest mosaic radar imagery shows a well-organized snow
squall moving east-southeastward at around 30-40 kt across parts of
central NY. This band is generally focused along the leading edge of
a southeastward-advancing arctic cold front, which is expected to
continue overspreading parts of the Northeast during the next few
hours. Regional VWP data depicts 50 kt of west-southwesterly flow in
the lowest 3 km, which combined with strong/focused forcing for
ascent and pockets of conditionally unstable boundary-layer
conditions preceding the snow squall, should support its maintenance
with eastward extent. The primary limiting factor continues to be
somewhat dry low-level conditions, though it appears that the
aforementioned factors are generally compensating for this.
Therefore, the potential for rapid visibility reductions in bursts
of heavy snow should continue spreading east-southeastward across
the Northeast during the next few hours before a gradual decrease in
intensity/organization.

...Weinman.. 02/03/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!69IUSuLeyO8wYAoxXy6rcQRfwqAhxtWojCfWn1wXtpqhwMz0fk_qwgbwcOeVDQqhytUfNJChj=
QXrdjlO7FxI8MNKnhQ$  for graphic product...

ATTN...WFO...GYX...BOX...BTV...ALY...BGM...BUF...CTP...PBZ...
CLE...

LAT...LON   40907812 41077889 41447959 41837965 42877646 43357540
            44127417 45067300 45127224 45187108 44417100 43857138
            42817255 41807486 41177670 40907812=20


=3D =3D =3D
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