Subj : MESO: Mesoscale Discussion 1899
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Mon Aug 07 2023 23:59:23

ACUS11 KWNS 072359
SWOMCD
SPC MCD 072359=20
NCZ000-VAZ000-080200-

Mesoscale Discussion 1899
NWS Storm Prediction Center Norman OK
0659 PM CDT Mon Aug 07 2023

Areas affected...Northeast North Carolina and extreme southeast
Virginia

Concerning...Severe Thunderstorm Watch 607...

Valid 072359Z - 080200Z

The severe weather threat for Severe Thunderstorm Watch 607
continues.

SUMMARY...A bowing line segment across central North Carolina will
likely continue to propagate to the Atlantic coast. A downstream
watch is expected soon to address this concern.

DISCUSSION...Multiple wind-damage reports have been received in
association with an organized squall line that has recently passed
over the Raleigh, NC area. VWP observations from KRAX sampled winds
in the lowest 1-2 km between 50-60 knots as the line passed over the
site, so it remains entirely plausible for such winds to mix to the
surface within the stronger downbursts within the line. Although
MLCAPE decreases with eastward extent towards the Atlantic coast,
deep-layer shear orthogonal to the line remains near 40-50 knots,
which will help maintain storm organization/intensity. Consequently,
the potential for damaging/severe winds will likely continue into
northeast NC and far southeast VA, and will warrant severe watch
issuance.

...Moore.. 08/07/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!5v7wdvBWNWBoZB5EZS3mj9DbcxPc78Wzbr4_WW9MmNedCSD2zj5i1R8wYnSgXoDdjfsmxu4JM=
0rB-Yx0Mtc2--D_qo8$  for graphic product...

ATTN...WFO...AKQ...MHX...RAH...

LAT...LON   36257876 36487862 36927637 36887610 36737586 35807535
            35347537 34877599 34947693 35027791 35147855 35197876
            35437876 35727863 36047877 36257876=20


=3D =3D =3D
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