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May 27, 2015 0730 UTC Day 3 Severe Thunderstorm Outlook
Updated: Wed May 27 06:57:50 UTC 2015 (Print Version | 20150527 0730Z Day 3 shapefile | 20150527 0730Z Day 3 KML)
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 Forecast Discussion
   SPC AC 270657

   DAY 3 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0157 AM CDT WED MAY 27 2015

   VALID 291200Z - 301200Z

   ...THERE IS A MRGL RISK OF SVR TSTMS FROM TX TO LOWER MI...

   ...SUMMARY...
   SCATTERED THUNDERSTORMS...A FEW SEVERE...ARE EXPECTED TO DEVELOP
   AHEAD OF A COLD FRONT FROM THE CENTRAL GREAT LAKES...SOUTHWEST INTO
   THE SOUTHERN PLAINS OF NORTHWEST TEXAS.

   ...GREAT LAKES TO SOUTHERN PLAINS...

   DISJOINTED LONG-WAVE TROUGH WILL PROGRESS INTO THE MID SECTION OF
   THE CONUS DURING THE DAY3 PERIOD WITH SOMEWHAT STRONGER MID-LEVEL
   FLOW FORECAST ALONG A PRE-FRONTAL CORRIDOR FROM THE TX
   PANHANDLE...NEWD INTO LOWER MI.  LATEST MODEL GUIDANCE...WHILE NOT
   IN TOTAL AGREEMENT...SUGGEST SCT THUNDERSTORMS WILL EVOLVE
   ALONG/AHEAD OF COLD FRONT AS IT PROGRESSES SEWD INTO MODESTLY
   SHEARED BUT MOIST AIR MASS FROM THE CNTRL GREAT LAKES INTO THE SRN
   PLAINS.  GREATEST INSTABILITY IS EXPECTED ACROSS THE PLAINS WHERE
   STEEP LAPSE RATES...AIDED BY STRONG BOUNDARY LAYER HEATING...SHOULD
   RESULT IN MUCAPE AOA 2000 J/KG.  STRONG-SEVERE MULTI-CELL STORMS ARE
   EXPECTED ACROSS THE MRGL RISK AREA...THOUGH A FEW WEAK SUPERCELLS
   CAN NOT BE RULED OUT OVER THE CNTRL/SRN PLAINS WHERE BUOYANCY SHOULD
   ENHANCE UPDRAFT INTENSITY.  LARGE HAIL/WIND ARE THE PRIMARY RISKS
   DURING THE DAY3 PERIOD.

   ..DARROW.. 05/27/2015

   CLICK TO GET WUUS03 PTSDY3 PRODUCT

   NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 0730Z

        
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Page last modified: May 27, 2015
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