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Mesoscale Discussion 0008
NWS Storm Prediction Center Norman OK
0327 PM CST Sat Jan 06 2024

Areas affected...Central/Eastern PA...Southern NY...Northern NJ

Concerning...Heavy snow 

Valid 062127Z - 070230Z

SUMMARY...Snowfall rates around 1"/hr appear probable across this
region, with some potential for 2"/hr rates,

DISCUSSION...A shortwave trough continues to progress quickly
northeastward across WV and VA. A broad precipitation field covers
much of the northern Mid-Atlantic states as well as NY, supported by
moderate to strong low-level warm advection ahead of the wave.
Occasionally heavy snow has been noted across the region over the
past few hours, particularly across western and southern PA, where
the low-level warm advection/frontogenesis is being augmented by
large-scale forcing for ascent near the shortwave trough. This
general trend is expected to continue over the next several hours,
with heavy snow shifting from western/central PA into
western/southern NY. Snowfall rates around 1"/hr appear probable
across this region, with some potential for 2"/hr rates,
particularly just north of the leading edge of the mid-level dry

..Mosier.. 01/06/2024

...Please see www.spc.noaa.gov for graphic product...


LAT...LON   40047754 41157827 41587893 42637815 43097628 42547458
            41407392 40157503 39827595 40047754 

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