538  
ACUS01 KWNS 041620  
SWODY1  
SPC AC 041619  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1019 AM CST SAT JAN 04 2025  
 
VALID 041630Z - 051200Z  
   
..NO SEVERE THUNDERSTORM AREAS FORECAST
 
 
   
..SUMMARY
 
 
ISOLATED THUNDERSTORMS MAY OCCUR LATE TONIGHT INTO EARLY SUNDAY  
MORNING FROM PARTS OF THE SOUTHERN/CENTRAL PLAINS EASTWARD TO THE  
MID-SOUTH. SEVERE THUNDERSTORMS ARE NOT EXPECTED.  
   
..KS TO THE OZARKS/MID-SOUTH OVERNIGHT
 
 
IN RESPONSE TO SOUTHERN HIGH PLAINS LEE CYCLOGENESIS, A MODIFYING  
AIR MASS (BOUNDARY-LAYER DEWPOINTS IN THE MID 60S) IS RETURNING  
NORTHWARD FROM THE WESTERN GULF OF MEXICO TO THE TX COAST. THIS  
MOISTURE WILL CONTINUE SPREADING NORTHWARD THROUGH TONIGHT AS A  
MIDLEVEL SHORTWAVE TROUGH OVER UT PROGRESSES EASTWARD TO THE HIGH  
PLAINS. LOW-MIDLEVEL ASCENT WILL GRADUALLY INCREASE WITHIN A  
STRENGTHENING AND INCREASINGLY MOIST WARM ADVECTION REGIME,  
ESPECIALLY IN THE CORRIDOR FROM SOUTHERN KS TO NORTHERN AR/SOUTHERN  
MO TONIGHT. ELEVATED THUNDERSTORMS WILL BECOME MORE PROBABLE AFTER  
06Z, AND FREEZING RAIN/SLEET WITH THUNDER WILL BE POSSIBLE FROM KS  
INTO WEST CENTRAL MO.  
 
FARTHER SOUTH, ISOLATED THUNDERSTORMS MAY ALSO SPREAD INTO SOUTHERN  
LA PRIOR TO 12Z, ALONG THE NORTH EDGE OF RICHER NEAR-SURFACE  
MOISTURE, AND EAST OF THE MORE PROMINENT MIDLEVEL CAP OVER TX.  
 
..THOMPSON/WEINMAN.. 01/04/2025  
 

 
 
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