Subj : MESO: Mesoscale Discussion 1890
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Mon Aug 07 2023 20:08:52

ACUS11 KWNS 072008
SWOMCD
SPC MCD 072008=20
VAZ000-NCZ000-WVZ000-TNZ000-072145-

Mesoscale Discussion 1890
NWS Storm Prediction Center Norman OK
0308 PM CDT Mon Aug 07 2023

Areas affected...Extreme southeast West Virginia into southwestern
Virginia and western North Carolina

Concerning...Tornado Watch 603...

Valid 072008Z - 072145Z

The severe weather threat for Tornado Watch 603 continues.

SUMMARY...The Severe threat continues across Tornado Watch 603.
Large hail and damaging gusts appear to be the main threats, though
a tornado cannot be ruled out.

DISCUSSION...Semi-discrete supercells have progressed along the
immediate lee of the central Appalachians, at least one storm having
a history of producing severe hail over the past couple of hours.
MRMS mosaic radar imagery depicts a relative lull in convective
coverage and intensity across southwestern VA. However, other strong
to potentially severe thunderstorms are approaching from western WV
and these storms may support additional damaging gust/large hail
potential later this afternoon. A tornado also cannot be completely
ruled out. Meanwhile, more linear convection across far western
North Carolina should continue to progress eastward with a damaging
wind threat amid a heated boundary layer, overspread by up to 50 kts
of effective bulk shear.

...Squitieri.. 08/07/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!7CAT4DSXte2ouhxPPylDiHR8ATzFc6kKHT6_lTrPehMOMlWBiOsQZPsbyQTkZ5HvRTpFWItv2=
UHElpZRihlpKyIjHx4$  for graphic product...

ATTN...WFO...LWX...RAH...RNK...GSP...MRX...

LAT...LON   35598220 37138117 37878044 38017915 37847889 37267898
            36557955 36007994 35718024 35558084 35598220=20


=3D =3D =3D
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