|Mesoscale Discussion 867|
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Mesoscale Discussion 0867
NWS Storm Prediction Center Norman OK
0549 PM CDT Thu May 25 2023
Areas affected...Trans-Pecos/Big Bend
Concerning...Severe Thunderstorm Watch 237...
Valid 252249Z - 260045Z
The severe weather threat for Severe Thunderstorm Watch 237
SUMMARY...An isolated threat for large hail and damaging winds will
likely persist for another 2-3 hours.
DISCUSSION...The strongest activity within WW 237 remains a
supercell moving southeast, south of Marfa. However, this storm has
shown a weakening trend on the MRMS 7 and 9 km CAPPI. With storm
outflow pushing into the Davis Mountains, the most likely areas for
additional storm development will be along that outflow boundary
arcing westward from the weakening storm. There will be a very
modest increase in the low-level jet in the region. It does not
appear likely, though, that convective coverage will increase given
that nocturnal stabilization will have begun prior to the jet
strengthening. The overall severe threat is expected to remain
somewhat isolated, with large hail and damaging winds the primary
threats over the next 2-3 hours.
...Please see www.spc.noaa.gov for graphic product...
LAT...LON 30660331 30890388 30880432 31020468 31060498 30750507
30620496 30210482 29620443 28980345 28940314 29300265
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