810  
ACUS11 KWNS 222251  
SWOMCD  
SPC MCD 222251  
TXZ000-230045-  
 
MESOSCALE DISCUSSION 0935  
NWS STORM PREDICTION CENTER NORMAN OK  
0551 PM CDT THU MAY 22 2025  
 
AREAS AFFECTED...TX HILL COUNTRY VICINITY  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 222251Z - 230045Z  
 
PROBABILITY OF WATCH ISSUANCE...5 PERCENT  
 
SUMMARY...LOCALIZED SEVERE WIND/HAIL WILL BE POSSIBLE THROUGH ABOUT  
SUNSET WITH SLOW-MOVING DISCRETE STORMS IN VICINITY OF THE HILL  
COUNTRY.  
 
DISCUSSION...SEVERAL UPDRAFTS HAVE FORMED IN/AROUND THE HILL COUNTRY  
TO THE I-35 CORRIDOR IN SOUTH-CENTRAL TX. WITH NEBULOUS LARGE-SCALE  
ASCENT AFTER PEAK HEATING, LONGEVITY OF THESE UPDRAFTS IS EXPECTED  
TO BE SHORT-LIVED. GIVEN A HOT AND WELL-MIXED BOUNDARY LAYER, SEVERE  
HAIL MAGNITUDES SHOULD BE LIMITED. BUT MELTING HAIL CORES MAY  
ENHANCE DOWNDRAFT POTENTIAL, ESPECIALLY AS CELLS BEGIN TO COLLAPSE  
AROUND SUNSET. MARGINALLY SEVERE HAIL WITH ISOLATED SEVERE GUSTS ARE  
POSSIBLE.  
 
..GRAMS/HART.. 05/22/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...EWX...SJT...  
 
LAT...LON 30469958 30929923 30969862 30929800 30689745 30489721  
30049730 29619762 29329794 29579872 30149942 30469958  
 
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
 
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