460  
ACUS48 KWNS 130846  
SWOD48  
SPC AC 130844  
 
DAY 4-8 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0344 AM CDT WED AUG 13 2025  
 
VALID 161200Z - 211200Z  
   
..DISCUSSION
 
 
DURING THE SATURDAY/D4 TO SUNDAY/D5 TIME FRAME, A WEAK MIDLEVEL WAVE  
MAY AFFECT THE FAR NORTHERN PLAINS TO UPPER GREAT LAKES, ROUNDING  
THE BUILDING UPPER RIDGE. MEANWHILE, A BOUNDARY WILL EXIST ROUGHLY  
FROM ND/MN INTO MI, WITH LATITUDINAL UNCERTAINTY. A MOIST AIR MASS  
WILL REMAIN ACROSS THIS ZONE, WITH PERIODIC STORM COMPLEXES  
POSSIBLE. PREDICTABILITY IS LOW BUT AT LEAST SOME WIND RISK MAY  
DEVELOP ACROSS PORTIONS OF THIS ZONE.  
 
FOR THE REST OF THE PERIOD THROUGH AT LEAST WEDNESDAY/D8, A LARGE  
UPPER RIDGE IS FORECAST TO BUILD OVER MUCH OF THE WEST/ROCKIES, WITH  
MINIMAL SEVERE RISK.  
 
..JEWELL.. 08/13/2025  
 
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