ACUS11 KWNS 051450
SWOMCD
SPC MCD 051450=20
NYZ000-NJZ000-PAZ000-051715-

Mesoscale Discussion 2250
NWS Storm Prediction Center Norman OK
0850 AM CST Thu Dec 05 2024

Areas affected...parts of the Northeast

Concerning...Snow Squall=20

Valid 051450Z - 051715Z

SUMMARY...Multiple clusters and loosely banded snow squalls may
persist east into early afternoon, mainly across the southern half
of New York into northern parts of Pennsylvania and New Jersey.

DISCUSSION...Near a low-level cyclone centered just north of the
Binghamton area, scattered bursts of heavy snow are ongoing across
parts of southern NY into northeast PA, where surface temperatures
have fallen below freezing along the leading edge of stronger
westerly winds. Upstream, a lake-induced hybrid squall is ongoing
across western NY into northwest PA where more widespread
quarter-mile visibilities have been observed. Per 12Z CAM guidance,
both areas should move east into midday. The western area will be
replaced by a lake-effect snow band this afternoon, connected from
the southern portion of Lake Huron to the eastern part of Lake Erie
within a west-northwesterly flow regime. Surface temperatures will
remain marginal for snow-squall conditions along the
southern/eastern portion of the region (near the I-95 corridor).

..Grams.. 12/05/2024

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-8Niy3Ta6hZLsHUFVFGgtmeGvY1wItHTwtstT_eFEPFqKQP0QS_Y1rtyhgGI1tFSIWCkYCQsE= 79hJ1aNijE9DVYD-5Q$ for graphic product...

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

LAT...LON 42997377 41897358 41397393 41027426 40917449 40917488
41487585 41557761 41527865 41957923 42677830 43047747
43267624 43277469 42997377=20


=3D =3D =3D
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