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paweather

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    Central PA Winter 2022/2023

    in Upstate New York/Pennsylvania

    Posted

    WGAL update:

    #WINTERWEATHER UPDATE: Here's what to expect for our Wednesday! This could be the first plowable #snow for much of the Valley! The farther north you live, the heavier snow you'll see. 2-6" is possible! Stay tuned for our latest! #pawx #weather wgal.com/weather WGAL News 8 Storm Team WGAL News Channel 8 Susquehanna Valley, Pa.
     

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    Central PA Winter 2022/2023

    in Upstate New York/Pennsylvania

    Posted

    Great update! 

    .LONG TERM /TUESDAY NIGHT THROUGH MONDAY/...
Noon Monday Update...

Just some minor adjustments will be made to timing and
QPF/Snowfall amounts at this point for late Tuesday night/Wed in
order to preserve consistent messaging next Winter Storm that
will soon be taking the NE turn toward us from the Llano
Estacado and Permian Basin of West Texas.

It looks like the period of snowfall from this upcoming storm
will be associated primarily with the period of moderate to
strong UVVEL from a potent, southerly low to mid-level jet and
its WAA.

The track of the primary low is seen by the majority of model
Guidance heading into the Ohio Valley with the nose of a strong,
60KT south- southwesterly LLJ creating an approx 6 hour period
of strong isent lift and a cross-hair pattern on regional
timesections between 12-18Z Wed, where the max UVVEL and DGZ
zone intersects. This should bring widespread MDT to HVY
snowfall rates of 1-1.5 inches per hour for much of the mid to
late morning hours Wed, and into the mid-late afternoon hours
across the NE part of our CWA.

Afterward, a transition to sleet/freezing rain and gradual
decrease in intensity will occur as first a deepening layer of
above freezing Tw air aloft races north over us, followed by the
deeper, seer-feeder cloud layer into the DGZ peeling away to the
NE leaving warmer clouds confined to the layer up through about
8-10 kft AGL.

Temps Wed afternoon and evening will only inch up to the 30-33F
range across much of the Central and Nrn Mtns, but should climb
just above freezing across the region near and to the SE of
interstate 81, changing the snow/mix to plain light rain or
drizzle Wed evening.
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