998  
ACUS01 KWNS 191244  
SWODY1  
SPC AC 191243  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0743 AM CDT SUN APR 19 2026  
 
VALID 191300Z - 201200Z  
   
..NO SEVERE THUNDERSTORM AREAS FORECAST
 
 
   
..SUMMARY
 
 
SEVERE THUNDERSTORMS ARE NOT FORECAST TODAY.  
   
..SYNOPSIS
 
 
WATER-VAPOR IMAGERY THIS MORNING SHOWS A LARGE-SCALE UPPER TROUGH  
FROM JAMES BAY SOUTHWARD THROUGH THE GREAT LAKES AND TN VALLEY. THE  
UPPER TROUGH WILL CONTINUE TO MOVE EAST AND REACH THE LOWER GREAT  
LAKES AND EAST COAST BY DAYBREAK MONDAY. IN THE LOW LEVELS, A COLD  
FRONT WILL PUSH EAST OF THE CAROLINA COAST BY EARLY AFTERNOON.  
SURFACE HIGH PRESSURE WILL INFLUENCE CONDITIONS ACROSS THE CENTRAL  
AND EASTERN STATES IN WAKE OF THE COLD FRONT. WEAK INSTABILITY WILL  
YIELD ISOLATED THUNDERSTORMS OVER PARTS OF THE SOUTH FLORIDA,  
EASTERN NORTH CAROLINA, AND WEAK ELEVATED STORMS OVER SOUTH TEXAS.  
 
..SMITH/THOMPSON.. 04/19/2026  
 

 
 
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