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Mesoscale Discussion 0780
NWS Storm Prediction Center Norman OK
0844 AM CDT Mon May 16 2022

Areas affected...Central PA

Concerning...Severe Thunderstorm Watch 225...

Valid 161344Z - 161515Z

The severe weather threat for Severe Thunderstorm Watch 225
continues.

SUMMARY...Potential for damaging wind gusts is increasing across
central PA.

DISCUSSION...A cold front extends from western NY southward through
central PA, western MD, and the far eastern WV Panhandle into
western WV. Showers and thunderstorms exist along and ahead of this
front, with some strengthening recently noted across central PA. The
air mass downstream is not overly buoyant at the moment, but
continued diurnal heating should allow more destabilization over the
next few hours, particularly in areas where temperatures reach the
70s. Moderate mid to upper level flow will help support 40-45 kt of
deep-layer vertical shear, which could help organize updrafts and
lead to stronger storms than the instability would suggest. Primary
risk with any more robust storms is be damaging wind gusts.

..Mosier/Grams.. 05/16/2022

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

ATTN...WFO...CTP...

LAT...LON   40057881 41577865 41867833 41927778 41587695 40467644
            39867677 39777743 39797829 39917868 40057881