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Mesoscale Discussion 888 |
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Mesoscale Discussion 0888
NWS Storm Prediction Center Norman OK
0541 PM CDT Mon May 23 2022
Areas affected...Central/North-Central TX
Concerning...Severe potential...Watch unlikely
Valid 232241Z - 240045Z
Probability of Watch Issuance...20 percent
SUMMARY...Gusty winds and marginally severe hail are possible with
thunderstorms this evening. Severe thunderstorm watch does not
appear warranted.
DISCUSSION...A weak mid-level short-wave trough appears to be
embedded within southerly stream over west-central TX. In response
to this feature, a cluster of storms has evolved into a weak MCS
that is propagating northeast ahead of the short wave. Latest radar
data depicts a weak MCV near ABI and this feature supports
longer-lived organization going forward. Over the last hour or so,
robust updrafts have evolved along the southern flank of this
complex where surface temperatures have warmed into the mid 80s and
surface-3km lapse rates are around 8 C/km. Additionally,
southeast/northwest-oriented boundary is draped just downstream,
arcing into this feature along I-20. While mid- high-level flow is
not particularly strong at this longitude, there appears to be
adequate flow/buoyancy for further development just downstream,
especially along a corridor from near San Saba to Hillsboro. Gusty
winds and perhaps some marginally severe hail are the primary
threats.
..Darrow/Grams.. 05/23/2022
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...FWD...EWX...SJT...
LAT...LON 30889852 32839810 32589639 30699703 30889852
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