Mesoscale Discussion 0985
NWS Storm Prediction Center Norman OK
0400 PM CDT Sun May 26 2024
Areas affected...portions of eastern Ohio into extreme western
Pennsylvania...central West Virginia...extreme western
Virginia...extreme western North Carolina...extreme eastern
Tennessee
Concerning...Severe Thunderstorm Watch 316...317...318...
Valid 262100Z - 262230Z
The severe weather threat for Severe Thunderstorm Watch 316, 317,
318 continues.
SUMMARY...The severe threat continues across Severe Thunderstorm
Watches 316-318. Strong wind gusts are the main threat with a
persistent QLCS. Large hail is also possible across far eastern TN
and western NC, where supercells are ongoing.
DISCUSSION...A long-lived QLCS with a history of wind damage
continues to move eastward across the central Appalachians, where
surface temperatures are above the 80 F mark. As such, enough
buoyancy exists to support strong wind gust potential with the QLCS
for at least a few more hours. Along the TN/VA border area,
supercell development has recently occurred, where MLCAPE has also
climbed to over 2000 J/kg, coincident with 50+ kts of effective bulk
shear. Here, large hail is also a concern in addition to strong wind
gusts.
..Squitieri.. 05/26/2024
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...RNK...PBZ...RLX...CLE...GSP...MRX...ILN...
LAT...LON 40868378 41048339 41388189 41168076 40258053 38378034
36288060 35758069 35638110 35548193 35558269 35538311
35708338 36078328 36408229 36798174 37518150 38848160
39638187 40318236 40868378
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