ACUS03 KWNS 140638  
  SWODY3  
  SPC AC 140637  
    
  Day 3 Convective Outlook  
  NWS Storm Prediction Center Norman OK  
  0137 AM CDT Fri Aug 14 2026  
    
  Valid 161200Z - 171200Z  
    
  ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM THE  
  MID-MISSISSIPPI VALLEY TO THE MID-ATLANTIC...AND ACROSS PORTIONS OF  
  THE HIGH PLAINS...  
    
  ...SUMMARY...  
  Strong to severe storms are possible from the Mid-Mississippi Valley  
  to the Mid-Atlantic, and across the High Plains Sunday afternoon and  
  evening.  
    
  ...Mid-MS Valley to Mid-Atlantic...  
    
  An upper trough will modestly deepen over the Great Lakes and  
  Northeast on Sunday, resulting in weak mid/upper height falls.  
  Moderate westerly flow aloft will overspread a seasonally moist  
  airmass as a surface front sags southward across the Midwest and the  
  Northeast/Mid-Atlantic regions through the period. At least a couple  
  MCVs may be located within this broader region of enhanced westerly  
  flow from the Mid-MS Valley to the Northeast. These features, along  
  with the southward-moving surface front will be a focus for  
  scattered thunderstorm development during the afternoon and evening.  
  While details remain uncertain, the overall kinematic and  
  thermodynamic parameter space will support strong to severe storms,  
  mainly capable of damaging wind gusts.  
    
  ..High Plains...  
    
  Moist upslope flow will once again support isolated to scattered  
  thunderstorm development across the High Plains on Sunday. Upper 50s  
  to low 60s F dewpoints will result in moderate destabilization. Flow  
  through around 500 mb will remain weak, but vertically veering wind  
  profiles, and westerlies increasing with height above 500 mb will  
  support effective shear magnitudes greater than 30 kt and  
  elongated/straight hodographs are evident in forecast soundings.  
  Isolated strong to severe storms mainly capable of producing large  
  hail will be possible.  
    
  ..Leitman.. 08/14/2026  
    
  $$  
    
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   * Origin: capitolcityonline.net * KY, USA (1:2320/107)