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Mesoscale Discussion 750 |
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Mesoscale Discussion 0750
NWS Storm Prediction Center Norman OK
0935 PM CDT Wed May 27 2020
Areas affected...south-central Texas
Concerning...Severe Thunderstorm Watch 232...
Valid 280235Z - 280430Z
The severe weather threat for Severe Thunderstorm Watch 232
continues.
SUMMARY...Large hail and damaging winds remains possible over parts
of south-central Texas. Storms are expected to eventually weaken as
they approach coastal counties.
DISCUSSION...Very large hail as well as measured severe wind gusts
have been reported with several severe cells across the SAT area.
Other storms extend eastward beyond the outflow boundary from the
southeast TX MCS, and are expected to weaken due to the cooler air.
The ongoing severe storms are close to the instability axis, with
objective analysis indicating very weak instability along the TX
Coast. Indeed, 00Z soundings show MLCAPE near zero at CRP and BRO.
while DRT shows values around 1150 J/kg.
The expectation is for these cells to continue southeast, producing
hail and wind at least for 1-2 more hours. The broken line is
expected to weaken from east to west, and then perhaps only
isolated, southward-moving cells will remain over parts of the CRP
CWA. A small watch is possible for the remaining duration of this
event south of WW 232.
..Jewell.. 05/28/2020
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...HGX...CRP...EWX...
LAT...LON 29919972 29999941 29819898 29669836 29669782 29839727
29839699 29649674 29399668 29199704 28889747 28469789
28349833 28459889 29159945 29429971 29919972
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