ACUS11 KWNS 232302
SWOMCD
SPC MCD 232302=20
NCZ000-SCZ000-240100-
Mesoscale Discussion 0889
NWS Storm Prediction Center Norman OK
0602 PM CDT Mon May 23 2022
Areas affected...Coastal South Carolina
Concerning...Severe Thunderstorm Watch 263...
Valid 232302Z - 240100Z
The severe weather threat for Severe Thunderstorm Watch 263
continues.
SUMMARY...Sporadic damaging winds remain possible as a line of
storms approaches the South Carolina coast, though the overall
severe threat will likely continue to decrease through the evening
hours.
DISCUSSION...Latest GOES IR imagery and lightning data have shown an
overall weakening trend in the convective line that has been
traversing eastern GA and southern SC. In line with this trend has
been a propensity for 30-50 mph observed wind gusts and fewer wind
damage reports over the past hour. Recent RAP mesoanalyses hint at
increasing surface-based inhibition and weakening low-level lapse
rates as temperatures begin to cool ahead of the line. This trend
will persist through the remainder of the evening hours as diurnal
cooling continues. However, the northern segment of the line (in the
vicinity of Orangeburg, SC) has shown resistance to diurnal cooling
effects, likely due to compensating influences of stronger
line-orthogonal low-level and deep-layer shear. This segment of the
line will continue to pose a risk for sporadic damaging winds
through the remainder of the evening hours as it approaches the SC
coast.
..Moore.. 05/23/2022
...Please see
https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!8bDk1GhlD4FuWGRKohrXOzOax1IMBZXLnVvxu9TrAZDzi_1OrW8xibUxqtzoztZFUzGoNpY-G= k_BHUMr9M7xfM__L9Y$ for graphic product...
ATTN...WFO...ILM...CHS...CAE...
LAT...LON 32617984 32458029 32508081 32588104 32718120 33048121
33628097 33848052 34128003 34197940 34177895 34007864
33747856 33217903 32907936 32617984=20
=3D =3D =3D
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