901  
ACUS11 KWNS 261840  
SWOMCD  
SPC MCD 261840  
TXZ000-261945-  
 
MESOSCALE DISCUSSION 0990  
NWS STORM PREDICTION CENTER NORMAN OK  
0140 PM CDT MON MAY 26 2025  
 
AREAS AFFECTED...PORTIONS OF NORTH-CENTRAL TEXAS  
 
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE  
 
VALID 261840Z - 261945Z  
 
PROBABILITY OF WATCH ISSUANCE...40 PERCENT  
 
SUMMARY...ELEVATED SUPERCELLS MAY POSE SOME HAIL RISK ALONG I-20 AND  
INTO THE DFW METROPLEX EARLY THIS AFTERNOON. A MORE WIDESPREAD  
SEVERE RISK IS EXPECTED FARTHER SOUTH LATER THIS AFTERNOON/EVENING.  
 
DISCUSSION...AS OF 1830 UTC, REGIONAL RADAR IMAGERY SHOWED NEW  
THUNDERSTORM DEVELOPMENT HAD OCCURRED ACROSS THE I-20 CORRIDOR WEST  
OF DFW. THESE STORMS ARE LIKELY ROOTED ABOVE THE SURFACE, DEVELOPING  
ATOP A STABLE SURFACE AIR MASS IN THE WAKE OF AN EARLY MORNING MCS.  
WHILE SOME DIURNAL HEATING IS OCCURRING, IT IS LIKELY THESE STORMS  
WILL REMAIN ELEVATED AS THE MOVE NORTHEASTWARD ATOP THE OLD SURFACE  
COLD POOL. MUCAPE PARCELS BETWEEN 700 AND 800 MB ARE SUPPORTING  
1000-1500 J/KG OF ELEVATED BUOYANCY WITH 35-40 KT OF EFFECTIVE SHEAR  
SUFFICIENT FOR SUPERCELLS. WHILE NOT EXPECTED TO BE OVERLY INTENSE,  
THE BUOYANCY/SHEAR PROFILES AND SUPERCELL MODE ARE FAVORABLE FOR  
SEVERE HAIL ACROSS NORTH-CENTRAL TX EARLY THIS AFTERNOON. THE LACK  
OF DEEPER BUOYANCY, ESPECIALLY WITH NORTHEASTWARD EXTENT, SUGGESTS  
THE SEVERE THREAT SHOULD REMAIN FAIRLY ISOLATED INITIALLY.  
 
A GREATER SEVERE RISK IS LIKELY TO EVOLVE ALONG AND SOUTH OF I-20  
WITH STRONGER CONVECTION EMANATING FROM CENTRAL TX LATER THIS  
AFTERNOON AND EVENING.  
 
..LYONS/GUYER.. 05/26/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
 
 
ATTN...WFO...FWD...SJT...  
 
LAT...LON 33199692 32909633 32419610 32259609 31509662 31469667  
31399748 31609835 32109914 32529911 32999844 33199692  
 
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SPC Page Main Text Page