685  
ACUS11 KWNS 191845  
SWOMCD  
SPC MCD 191845  
OKZ000-TXZ000-192045-  
 
MESOSCALE DISCUSSION 0879  
NWS STORM PREDICTION CENTER NORMAN OK  
0145 PM CDT MON MAY 19 2025  
 
AREAS AFFECTED...PARTS OF NORTH CENTRAL TEXAS INTO SOUTH CENTRAL  
OKLAHOMA  
 
CONCERNING...TORNADO WATCH 292...  
 
VALID 191845Z - 192045Z  
 
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 292 CONTINUES.  
 
SUMMARY...INTENSIFYING SUPERCELLS INCREASINGLY PROBABLE THROUGH 4-7  
PM CDT, INITIALLY POSING A RISK FOR LARGE TO GIANT HAIL, BEFORE THE  
RISK FOR A COUPLE OF STRONG TORNADOES INCREASES TOWARD EARLY  
EVENING. A NEW TORNADO WATCH IS LIKELY ACROSS PARTS OF NORTH  
CENTRAL TEXAS.  
 
DISCUSSION...EVEN WITH DOWNWARD MIXING OF MOMENTUM, WITHIN THE MORE  
STRONGLY HEATED AND DEEPLY MIXED BOUNDARY LAYER TO THE WEST OF THE  
DRYLINE, WEST-SOUTHWESTERLY SURFACE GUSTS REMAIN RELATIVELY MODEST,  
AS A SIGNIFICANT MID-LEVEL TROUGH BEGINS TO PIVOT NORTHEAST OF THE  
SOUTHERN HIGH PLAINS. HOWEVER, AS THIS TROUGH GRADUALLY TAKES ON  
MORE OF A NEGATIVE TILT, STRONGEST MID/UPPER FORCING FOR ASCENT  
WITHIN ITS BASE IS FORECAST TO OVERSPREAD THE DRYLINE ACROSS THE RED  
RIVER VICINITY THROUGH 21-00Z.  
 
SUSTAINED INTENSIFYING THUNDERSTORM DEVELOPMENT MAY NOW BE UNDERWAY  
ALONG THE SHARPENING DRYLINE TO THE SOUTHWEST OF WICHITA FALLS TX.  
THIS SEEMS LIKELY TO PERSIST, AS INHIBITION CONTINUES TO ERODE WITH  
FURTHER INSOLATION AND COOLING ALOFT. A NOTABLE FURTHER INCREASE IN  
NUMBER OF STORMS SEEMS PROBABLE WITH THE FORCING FOR ASCENT,  
PARTICULARLY FOCUSED SOUTH OF CHICKASHA OK INTO THE MINERAL WELLS TX  
VICINITY, BEFORE SPREADING NORTHEASTWARD/EASTWARD.  
 
THERMODYNAMIC PROFILES CHARACTERIZED BY STEEP LOWER/MID-TROPOSPHERIC  
LAPSE RATES AND CAPE APPROACHING 4000 J/KG WILL PROBABLY SUPPORT A  
FEW INTENSE SUPERCELLS, IN THE PRESENCE OF STRONGLY SHEARED 40-50 KT  
SOUTHWESTERLY DEEP-LAYER MEAN FLOW. TOWARD 20/00Z, INITIALLY MODEST  
LOW-LEVEL HODOGRAPHS MAY BEGIN TO ENLARGE AND BECOME MORE CONDUCIVE  
TO TORNADO POTENTIAL ACROSS THE RED RIVER VICINITY NEAR/EAST OF THE  
ARDMORE VICINITY.  
 
..KERR.. 05/19/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...FWD...OUN...SJT...  
 
LAT...LON 34389814 35019760 35149676 34669616 33609625 32479794  
32519880 33009921 34389814  
 
MOST PROBABLE PEAK TORNADO INTENSITY...120-150 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
 
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