ACUS11 KWNS 271022
SWOMCD
SPC MCD 271021=20
TXZ000-271145-

Mesoscale Discussion 0874
NWS Storm Prediction Center Norman OK
0521 AM CDT Wed May 27 2026

Areas affected...Parts of South Texas

Concerning...Severe Thunderstorm Watch 245...

Valid 271021Z - 271145Z

The severe weather threat for Severe Thunderstorm Watch 245
continues.

SUMMARY...A cluster of thunderstorms will continue to pose a risk of strong-severe wind gusts as it continues eastward to the Lower TX
Coast.

DISCUSSION...A forward-propagating thunderstorm cluster is tracking
eastward at around 35-40 kt across South TX toward the Lower TX
Coast. This activity is advancing along a zone of low-level
confluence focused near an east/west-oriented outflow boundary.
Given the well-established cold pool, moist pre-convective air mass,
and around 40 kt of gust-front-orthogonal effective shear, this
activity will continue to pose a risk of strong-severe gusts as it
approaches the coast over the next hour or two.

..Weinman.. 05/27/2026

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!9MJCgW30M-AUUuWrh5BAPJVPYcNvIFvPKu5SekjlPOD6Tfj_3xrmpHWuo9yuKggFAYOnb7Rza= 06h5Fh6UgU8tl-GsF0$ for graphic product...

ATTN...WFO...CRP...BRO...

LAT...LON 27249858 27459847 27729840 28029847 28189831 28149754
27999721 27689718 27289731 27099763 27109832 27249858=20

MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN


=3D =3D =3D
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