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Mesoscale Discussion 2296
NWS Storm Prediction Center Norman OK
0738 AM CST Sat Dec 28 2024

Areas affected...North-central TX to the Ark-La-Tex

Concerning...Severe Thunderstorm Watch 717...

Valid 281338Z - 281445Z

The severe weather threat for Severe Thunderstorm Watch 717
continues.

SUMMARY...An isolated severe threat may persist into late morning,
mainly within the southern portion of WW 717.

DISCUSSION...Despite fairly extensive elevated convective
development through daybreak, much of the activity has struggled to
greatly intensify. Elevated MUCAPE appears most pronounced near the
Ark-La-Tex, per the 12Z SHV sounding, but has supported only
marginally severe activity thus far. Meanwhile, convection farther
southwest in north-central to northeast TX has largely clustered and
failed to sustain supercell structures despite adequate deep-layer
shear. Convection may continue to struggle within WW 717. More
prominent severe potential should develop though, to the south and
east of this watch (see MCD 2294/WW 718 for forecast info in that
region).

..Grams.. 12/28/2024

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

ATTN...WFO...LZK...SHV...FWD...

LAT...LON   33819344 33819310 33489299 33009305 32629380 32209511
            31889657 31549776 31809820 32139802 32449697 33089535
            33459488 33589407 33819344