Subj : MESO: Mesoscale Discussion 1961
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Nov 18 2022 21:55:13

ACUS11 KWNS 182155
SWOMCD
SPC MCD 182154=20
NYZ000-190200-

Mesoscale Discussion 1961
NWS Storm Prediction Center Norman OK
0354 PM CST Fri Nov 18 2022

Areas affected...Southern Jefferson County...northern Lewis
County...and northern Oswego County

Concerning...Heavy snow=20

Valid 182154Z - 190200Z

SUMMARY...Snowfall rates 2+ inches per hour will continue through
the afternoon and early evening.

DISCUSSION...The primary band of lake effect snow across Lake
Ontario has intensified on radar with a slight southerly shift in
the last hour. Infrared satellite showed cloud tops cooling around
2-4 degrees with a noticeable increase in reflectivity via the Fort
Drum radar. Surface objective analysis shows maximized surface
convergence along the shoreline from Oswego County north to
Jefferson County. The primary band may continue to make small shifts
southward through the afternoon and early evening with heavier snow
moving further south into Oswego County.

...Thornton/Guyer.. 11/18/2022

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!6Uq6SsyuOWyqtNRGq8-EF1hKTt4dFf5ywu_ZI0oQuP_ehWDGKYW6HHjy0WFl3bcdKg03oh8hA=
1soFRPGX0q7635mGXk$  for graphic product...

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

LAT...LON   44037631 44107601 44147539 44097504 44047504 43897518
            43727536 43567566 43497580 43457601 43427618 43437634
            43457656 43487675 43497681 43517690 43557695 43597696
            43667695 43787683 43877667 44037631=20


=3D =3D =3D
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