ZCZC SPCSWOMCD ALL
ACUS11 KWNS 231754 
SPC MCD 231754 
TXZ000-231900-

Mesoscale Discussion 0608
NWS Storm Prediction Center Norman OK
1255 PM CDT Sun Apr 23 2023

Areas affected...Lower Rio Grande Valley

Concerning...Severe Thunderstorm Watch 164...

Valid 231754Z - 231900Z

The severe weather threat for Severe Thunderstorm Watch 164
continues.

SUMMARY...Threat for strong to severe gusts will continue across the
Lower Rio Grande Valley.

DISCUSSION...An organized line of thunderstorms continues to push
southward across Deep South TX at around 40 kt. This line has
produced numerous strong to severe gusts over the last 2 hours. Time
series of the CRP VAD shows a portion of rear-inflow jet that
accompanies this line. 

The downstream air mass remains warm, moist, and unstable, with
temperatures in the low 80s, dewpoints in the low/mid 70s, and
MLCAPE over 2000 J/kg. Southerly winds ahead of the front are
gusting 30 to 35 kt, with strong convergence ongoing along the storm
outflow. The threat for severe winds gusts will continue over the
next hour to hour and a half as the line moves through the Lower Rio
Grande Valley.

..Mosier.. 04/23/2023

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

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

LAT...LON   25919798 26289891 26699934 26979896 26919724 26359690
            25879709 25919798 

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