Subj : MESO: Mesoscale Discussion 0150
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Feb 17 2024 16:35:08

ACUS11 KWNS 171635
SWOMCD
SPC MCD 171634=20
NYZ000-PAZ000-OHZ000-172130-

Mesoscale Discussion 0150
NWS Storm Prediction Center Norman OK
1034 AM CST Sat Feb 17 2024

Areas affected...portions of western into eastern New York...extreme
northeast Ohio...western into central Pennsylvania

Concerning...Snow Squall=20

Valid 171634Z - 172130Z

SUMMARY...Snow showers should persist over the next several hours in
tandem with diurnal heating across much of central NY into PA. Brief
bursts of heavier snow may support very localized reductions in
visibility.

DISCUSSION...Boundary-layer heating is supporting the generation of
steep (i.e. 8 C/km) low-level lapse rates, which is encouraging the
generation and sustenance of scattered, low-topped convective snow
showers over portions of central NY into PA. A mid-level trough is
traversing the region, providing enough deep-layer ascent for
continued snow-shower development through the afternoon. Based on
reports over the last couple of hours, brief bouts of reduced
visibility (as low as a quarter to half a mile) have occurred. Given
the convective nature of these snow showers, brief and localized
bursts of heavier snow will remain possible through the afternoon on
an isolated basis, until the steep low-level lapse rates diminish
later today.

...Squitieri.. 02/17/2024

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!8Tdom28FRD6QVLgbhHaP-Wpk6RgSE2MFD3khti7B2UKPXwz5c4Ans58f3w5-D9g-VxxIs4Plx=
Kb32_Z2CHo0JsbnHQg$  for graphic product...

ATTN...WFO...OKX...ALY...PHI...BGM...BUF...CTP...PBZ...CLE...

LAT...LON   41558151 42407897 43187649 43017443 42367360 41747404
            41157536 40567633 40307734 40147827 40277914 40507992
            41558151=20


=3D =3D =3D
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