825  
ACUS11 KWNS 251722  
SWOMCD  
SPC MCD 251721  
TXZ000-NMZ000-251915-  
 
MESOSCALE DISCUSSION 0557  
NWS STORM PREDICTION CENTER NORMAN OK  
1221 PM CDT FRI APR 25 2025  
 
AREAS AFFECTED...TX SOUTH PLAINS AND THE SOUTHERN PANHANDLE INTO FAR  
EASTERN NM  
 
CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY  
 
VALID 251721Z - 251915Z  
 
PROBABILITY OF WATCH ISSUANCE...95 PERCENT  
 
SUMMARY...SEVERAL SUPERCELLS WILL LIKELY DEVELOP BY LATE AFTERNOON.  
VERY LARGE HAIL FROM BASEBALL TO SOFTBALL SIZE WILL BE THE PRIMARY  
INITIAL THREAT. TORNADO POTENTIAL MAY BE BRIEF/LIMITED EARLY, BUT  
WILL INCREASE INTO EARLY EVENING. A TORNADO WATCH WILL BE NEEDED BY  
MID-AFTERNOON.  
 
DISCUSSION...17Z SURFACE ANALYSIS PLACED A CYCLONE JUST WEST OF  
AMARILLO, ALONG A WAVY QUASI-STATIONARY FRONT ACROSS THE SOUTHERN  
HIGH PLAINS. A CONVECTIVE OUTFLOW BOUNDARY, REINFORCED BY EARLIER  
CONVECTION OVER OK, EXTENDS IN A WEST/EAST-ORIENTATION CENTERED ON  
THE PLAINVIEW VICINITY. DESPITE NEBULOUS LARGE-SCALE ASCENT,  
LOW-LEVEL CONVERGENCE ALONG THESE BOUNDARIES COUPLED WITH CONTINUED  
BOUNDARY-LAYER HEATING SHOULD YIELD SUSTAINED THUNDERSTORM  
DEVELOPMENT BY 19-20Z.  
 
AMPLE LOW-LEVEL MOISTURE, CHARACTERIZED BY LOW TO MID 60S SURFACE  
DEW POINTS ARE WELL-ESTABLISHED TO THE SOUTH OF THE OUTFLOW  
BOUNDARY. DESPITE SOME WEAK MID-LEVEL WARMING, PEAK MLCAPE SHOULD  
REACH 2500-3000 J/KG IN A COUPLE HOURS. LOW-LEVEL WINDS WILL  
INITIALLY BE WEAK, BUT SUFFICIENT ELONGATION OF THE HODOGRAPH WILL  
SUPPORT AT LEAST A FEW INTENSE SUPERCELLS BY LATE AFTERNOON. LARGE  
TO VERY LARGE HAIL WILL BE THE PRIMARY THREAT. A MORE FOCUSED  
CORRIDOR OF TORNADO POTENTIAL SHOULD BECOME EVIDENT, WITH ANY  
DISCRETE SUPERCELLS ALONG THE MESOSCALE OUTFLOW BOUNDARY, AS THE  
WEST TX LOW-LEVEL JET STRENGTHENS INTO EARLY EVENING.  
 
..GRAMS/SMITH.. 04/25/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...LUB...AMA...MAF...ABQ...  
 
LAT...LON 35620252 35030269 34440326 33910344 32950358 32750295  
32740235 33110144 33150059 33350033 34040041 34580117  
35280148 35660162 35620252  
 
MOST PROBABLE PEAK TORNADO INTENSITY...85-115 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...2.75-4.25 IN  
 
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