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Mesoscale Discussion 1567
NWS Storm Prediction Center Norman OK
0237 PM CDT Sat Jul 23 2022

Areas affected...West Virginia...eastern Virginia...and southern
Pennsylvania

Concerning...Severe potential...Watch possible 

Valid 231937Z - 232130Z

Probability of Watch Issuance...60 percent

SUMMARY...The potential for damaging wind continues across West
Virginia into southern Pennsylvania and eastern Virginia. A watch is
possible if current trends continue.

DISCUSSION...A loosely organized squall line continues to shift
eastward towards the Appalachians with several wind damaging
reports, including a couple of severe wind gusts, noted over the
past hour. IR and lightning trends have intensified over the past
hour as the line encounters a more unstable air mass. A similar
thermodynamic environment is noted downstream into the Appalachians,
which suggests that the potential for damaging winds may continue
for the next couple of hours despite meager deep-layer shear
overall. Trends will continue to be monitored, and watch issuance is
possible for parts of the Appalachians if ongoing convection
continues to support damaging wind gusts.

..Moore/Guyer.. 07/23/2022

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

ATTN...WFO...CTP...LWX...RNK...PBZ...RLX...

LAT...LON   39498087 40238014 40837991 41007903 40727784 40097739
            39217743 38597800 37787940 37548044 37808140 38138219
            38508245 39498087