Severe Storm Outlook Narrative (AC)
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811
ACUS11 KWNS 241230
SWOMCD
SPC MCD 241229
SCZ000-GAZ000-FLZ000-241500-

Mesoscale Discussion 0825
NWS Storm Prediction Center Norman OK
0729 AM CDT Wed May 24 2017

Areas affected...Much of southern Georgia into southern South
Carolina

Concerning...Severe potential...Watch possible

Valid 241229Z - 241500Z

Probability of Watch Issuance...40 percent

SUMMARY...Scattered storms are expected to develop over a large area
by midday, with hail, wind, and isolated tornadoes possible.

DISCUSSION...Surface analysis shows a very moist air mass with
dewpoints above 70 f across southern GA and SC. Visible satellite
imagery also shows pockets of heating are likely to develop which
will contribute to destabilization and storm formation with little
if any convective inhibition present. As the upper trough swings
eastward, deep-layer effective shear will continue to increase to
over 50-60 kt atop this unstable air mass, and will support severe
storms. Storms may develop both along a developing cold front and
also across the open warm sector where warm advection will occur
with a strong southwesterly low-level jet. The latter scenario may
favor tornadoes, as low-level shear will be maximized over southeast
GA and southern SC through early afternoon. Damaging winds and hail
would appear more likely ahead of the vort max across northern GA
into the western Carolinas.

..Jewell/Guyer.. 05/24/2017

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...ILM...CHS...CAE...GSP...JAX...FFC...TAE...

LAT...LON   30638163 30898453 31218486 31488497 31998469 33378372
            34098241 34068102 33718039 33548006 33027983 32507999
            31558110 31008135 30638163




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