655  
ACUS11 KWNS 102146  
SWOMCD  
SPC MCD 102146  
ILZ000-MOZ000-102345-  
 
MESOSCALE DISCUSSION 1580  
NWS STORM PREDICTION CENTER NORMAN OK  
0446 PM CDT FRI JUL 10 2026  
 
AREAS AFFECTED...CENTRAL/SOUTHERN MO INTO SOUTHERN IL  
 
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE  
 
VALID 102146Z - 102345Z  
 
PROBABILITY OF WATCH ISSUANCE...40 PERCENT  
 
SUMMARY...SOME INCREASE IN STORM COVERAGE AND INTENSITY IS POSSIBLE  
INTO EARLY EVENING. WATCH ISSUANCE IS POSSIBLE, THOUGH TIMING IS  
UNCERTAIN.  
 
DISCUSSION...TO THE SOUTH OF A STORM CLUSTER MOVING ACROSS NORTHERN  
MO, RICH LOW-LEVEL MOISTURE AND POCKETS OF STRONG HEATING HAVE  
RESULTED IN SUBSTANTIAL DESTABILIZATION, WITH MLCAPE RISING INTO THE  
2000-3000 J/KG RANGE. ASCENT ATTENDANT TO A MIDLEVEL SHORTWAVE  
TROUGH MOVING ACROSS IA/NORTHERN MO AND MODEST LOW-LEVEL WARM  
ADVECTION ARE EXPECTED TO RESULT IN A GENERAL STORM-COVERAGE  
INCREASE INTO THIS EVENING ACROSS CENTRAL/SOUTHERN MO INTO SOUTHERN  
IL. HOWEVER, DETAILS REMAIN RATHER UNCERTAIN, DUE TO THE PRESENCE OF  
SUBSTANTIAL CLOUD COVER OVER PARTS OF SOUTHERN MO. WHILE STORM  
DEVELOPMENT IS POSSIBLE ANYWHERE WITHIN THIS CORRIDOR, THERE MAY BE  
A TENDENCY FOR INITIATION ALONG THE TRAILING OUTFLOW FROM THE  
NORTHERN MO CLUSTER, AS WELL AS ALONG THE PERIPHERY OF THE SOUTHERN  
MO CLOUD DECK.  
 
DEEP-LAYER SHEAR BECOMES INCREASINGLY MODEST WITH SOUTHWARD EXTENT,  
BUT SOME INCREASE IN 850-700 MB SOUTHWESTERLY FLOW (ALREADY NOTED IN  
THE KSGF VWP) MAY ALLOW FOR DEVELOPMENT OF ONE OR MORE  
FORWARD-PROPAGATING CLUSTERS WITH A THREAT OF DAMAGING WIND AND  
ISOLATED HAIL. EVENTUAL WATCH ISSUANCE IS POSSIBLE FOR PARTS OF THIS  
REGION, THOUGH TIMING REMAINS UNCERTAIN.  
 
..DEAN/THOMPSON.. 07/10/2026  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...PAH...ILX...LSX...SGF...EAX...  
 
LAT...LON 36839054 36739121 36529235 37009249 37559275 38089414  
38509448 38629450 38729394 39089095 39499001 39498896  
39298862 38848857 38198848 37318921 36839054  
 
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH  
MOST PROBABLE PEAK WIND GUST...55-70 MPH  
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SPC Page
Main Text Page