Subj : MESO: Mesoscale Discussion 2071
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Dec 23 2022 21:47:52

ACUS11 KWNS 232147
SWOMCD
SPC MCD 232147=20
NYZ000-240245-

Mesoscale Discussion 2071
NWS Storm Prediction Center Norman OK
0347 PM CST Fri Dec 23 2022

Areas affected...western New York State

Concerning...Heavy snow=20

Valid 232147Z - 240245Z

SUMMARY...Heavy lake-effect snow and localized blizzard conditions
to continue this evening. Rates of 2 in/hr possible.

DISCUSSION...As of 21:45 UTC, regional radar showed a well-developed
lake-effect snow band ongoing across the eastern shores of Lake
Erie. A post-frontal arctic airmass with strong southwesterly flow
is evident on the Buffalo VAD/VWP with a well-defined 60-70 kt
low-level jet parallel to the lake axis. Strong convergence and warm
lake temperatures will continue to support banding and heavy snow
across the eastern shores through this evening. Rates of 2 in/hr
will be possible within the primary band close to the lake shore
where convergence and convective effects are strongest. In addition,
the strong winds aloft will continue to support strong surface gusts
greater than 50 mph through this evening. Localized blizzard
conditions are expected along the immediate lake shore where heavy
falling and blowing snow will support zero visibility.

...Lyons.. 12/23/2022

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!4l3zW1ImVRS3aagfgfDKNNC18-UZ1fy2s67YFXNN6HjO7-cYm7BWkByUqzZaIr-Pau1EdJw81=
b1ABX0uxFR8O1725tE$  for graphic product...

ATTN...WFO...BUF...

LAT...LON   43167899 43297859 43327821 43157807 42997819 42897833
            42837855 42787869 42747881 42647902 42667911 42787895
            42837897 43167899=20


=3D =3D =3D
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