909  
ACUS01 KWNS 190519  
SWODY1  
SPC AC 190517  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1217 AM CDT SUN APR 19 2026  
 
VALID 191200Z - 201200Z  
   
..NO SEVERE THUNDERSTORM AREAS FORECAST
 
 
   
..SUMMARY
 
 
SEVERE THUNDERSTORMS ARE NOT FORECAST TODAY.  
   
..SYNOPSIS
 
 
A LARGE UPPER TROUGH EXTENDING FROM THE GREAT LAKES INTO THE OH AND  
TN VALLEYS WILL MOVE INTO THE NORTHEASTERN US TODAY, WITH A WEAK  
UPPER RIDGE ACROSS THE ROCKIES. THIS PATTERN WILL FAVOR HIGH  
PRESSURE OVER THE CENTRAL AND EASTERN STATES, STABLE CONDITIONS AND  
MINIMAL THUNDERSTORM ACTIVITY. A COLD FRONT ASSOCIATED THE EASTERN  
TROUGH WILL BE WELL OFF THE EAST COAST BY MIDDAY, WITH DRYING  
OFFSHORE FLOW. MINIMAL INSTABILITY MAY YIELD ISOLATED THUNDERSTORMS  
OVER EASTERN FLORIDA, OR PERHAPS ACROSS THE RIO GRANDE VALLEY WHERE  
ELEVATED MOISTURE AND WEAK INSTABILITY WILL REMAIN ATOP THE SURFACE  
COOL LAYER. IN ANY CASE, SEVERE STORMS ARE NOT FORECAST.  
 
..JEWELL/MOORE.. 04/19/2026  
 

 
 
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