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Mesoscale Discussion 2040
NWS Storm Prediction Center Norman OK
0228 PM CDT Sat Aug 31 2024

Areas affected...Eastern West Virginia...far Northwest
Virginia...western Maryland...south-central Pennsylvania

Concerning...Severe Thunderstorm Watch 666...

Valid 311928Z - 312130Z

The severe weather threat for Severe Thunderstorm Watch 666
continues.

SUMMARY...Wind damage will remain possible with the strongest storms
as they continue east into the Appalachians. A gradual weakening
trend is expected as they encounter a more stable environment. No
additional watches are expected this afternoon.

DISCUSSION...A broken line of semi-organized convection continues
eastward into the Mid-Atlantic region this afternoon. The strongest
cluster is currently located in south-central Pennsylvania.
Scattered weaker storms are also evident within the Appalachians,
ahead of the primary band of convection. These storms will likely
act to limit storm intensity due to outflow cooling the airmass.
Farther east, low-level cloud cover has remained entrenched up
against the Blue Ridge. While wind damage will remain possible this
afternoon, storms are expected to undergo gradual weakening with
time as the environment is increasingly stable with eastward extent.
No additional watches are expected this afternoon.

..Wendt.. 08/31/2024

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

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

LAT...LON   37888020 38088101 38528119 39198038 39877954 40527842
            40447805 40007788 38887838 38087928 37888020