SPC MD 1700
[html]MD 1700 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR SOUTHEAST GA INTO COASTAL SC
Mesoscale Discussion 1700
NWS Storm Prediction Center Norman OK
0342 PM CDT Fri Aug 19 2022
Areas affected...Southeast GA into coastal SC
Concerning...Severe potential...Watch unlikely
Valid 192042Z - 192245Z
Probability of Watch Issuance...20 percent
SUMMARY...Thunderstorms capable of isolated damaging wind gusts will
be possible into early evening. Watch issuance is unlikely.
DISCUSSION...Thunderstorms are gradually intensifying across
southeast GA into coastal SC this afternoon, within a moderately
unstable (MLCAPE of 1000-2000 J/kg, greater with southward extent)
environment. Modest midlevel southwesterlies (as noted in the KCLX
VWP) may support some loosely organized storm clusters spreading
toward the coast late this afternoon into early evening, posing some
risk of locally damaging wind gusts, especially where stronger
heating and steepening of low-level lapse rates have occurred. Also,
a brief tornado cannot be ruled out near coastal SC, where low-level
shear is modestly enhanced in the vicinity of a weak meso-low and
sea breeze/outflow boundary intersection.
With the threat expected to remain generally marginal and confined
in areal extent, watch issuance is considered unlikely.
..Dean/Grams.. 08/19/2022
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...ILM...CHS...CAE...JAX...FFC...
LAT...LON 32378279 32978109 33567957 33907862 33587857 32238062
31678129 31558178 31598220 32378279
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Source: SPC MD 1700 (http://ht**://www.spc.noaa.gov/products/md/md1700.html)