237  
ACUS11 KWNS 240436  
SWOMCD  
SPC MCD 240436  
OKZ000-240530-  
 
MESOSCALE DISCUSSION 0947  
NWS STORM PREDICTION CENTER NORMAN OK  
1136 PM CDT FRI MAY 23 2025  
 
AREAS AFFECTED...CENTRAL/EASTERN OK  
 
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE  
 
VALID 240436Z - 240530Z  
 
PROBABILITY OF WATCH ISSUANCE...40 PERCENT  
 
SUMMARY...HIGHLY ELEVATED CONVECTION ACROSS CENTRAL OKLAHOMA MAY  
YIELD AN ISOLATED, LIKELY LOWER-END SEVERE HAIL THREAT THROUGH THE  
EARLY MORNING HOURS. A GREATER SEVERE THREAT IS EXPECTED TO DEVELOP  
OUT OF KANSAS LATER IN THE MORNING.  
 
DISCUSSION...HIGHLY ELEVATED CONVECTION THAT APPEARS TO BE ROOTED  
AROUND 700 MB HAS INCREASED ACROSS CENTRAL OK OVER THE PAST HALF  
HOUR. CAMS THAT WELL-SIMULATED THIS DEVELOPMENT SUCH AS THE 00Z  
NSSL-MPAS AND 02Z RRFS INDICATE THAT CELLS MAY STRUGGLE TO GREATLY  
INTENSIFY DESPITE THE PRESENCE OF VERY STEEP MID-LEVEL LAPSE RATES  
AND AMPLE ELEVATED BUOYANCY. THIS MAY BE DUE TO WEAKER EFFECTIVE  
BULK SHEAR FOR PARCELS ROOTED NEAR 700 MB. AS SUCH, THERE IS  
UNCERTAINTY REGARDING HOW SUSTAINED A LARGE HAIL THREAT MAY BE. AN  
MCS STILL APPEARS LIKELY TO EMANATE OUT OF SOUTHWEST AND  
SOUTH-CENTRAL KS LATER IN THE PRE-DAWN HOURS, WHICH SHOULD RESULT IN  
A GREATER SEVERE RISK FOR NORTH-CENTRAL TO NORTHEAST OK.  
 
..GRAMS/MOSIER.. 05/24/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...TSA...OUN...  
 
LAT...LON 36049813 36599791 36529693 36449638 36069538 35579533  
35199560 35049618 35009734 35169787 36049813  
 
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN  
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