SPC AC 280550
   
   DAY 2 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1250 AM CDT THU AUG 28 2008
   
   VALID 291200Z - 301200Z
   
   ...NO SVR TSTM AREAS FORECAST...
   
   ...SRN PLAINS/CNTRL HIGH PLAINS...
   A SUBTLE UPPER-LEVEL RIDGE WILL MOVE ACROSS THE NRN ROCKIES FRIDAY
   AS A LARGE AREA OF HIGH PRESSURE REMAINS IN PLACE FROM THE FOUR
   CORNERS REGION EWD INTO THE PLAINS STATES. AT THE SFC...SELY WINDS
   ARE FORECAST ACROSS MUCH OF THE SRN AND CNTRL PLAINS AND THIS WILL
   RESULT IN UPSLOPE FLOW ACROSS THE PLAINS OF ERN CO. A MOIST AXIS
   SHOULD BE IN PLACE FROM NRN OK WNWWD INTO SERN CO WHERE POCKETS OF
   MODERATE INSTABILITY SHOULD DEVELOP BY MIDDAY. THUNDERSTORMS APPEAR
   LIKELY TO INITIATE IN THE HIGHER TERRAIN OF SERN CO FRIDAY AFTERNOON
   AND MOVE SEWD INTO THE CO PLAINS. ADDITIONAL STORMS SHOULD DEVELOP
   ACROSS THE NRN TX PANHANDLE AND IN NRN OK ALONG THE MOIST AXIS. SFC
   DEWPOINTS ACROSS NRN OK SHOULD BE IN THE 60S F WITH A BIT DRYER AIR
   LOCATED IN SERN CO. A FEW MARGINALLY SEVERE STORM MAY DEVELOP ALONG
   IN NRN OK OR IN THE NRN TX PANHANDLE WHERE ABOUT 30 KT OF VERTICAL
   SHEAR IS FORECAST. FURTHER NORTHWEST IN SERN CO...ENOUGH INSTABILITY
   MAY DEVELOP IN SPITE OF THE DRYER AIR FOR A MARGINAL SEVERE THREAT
   CONSIDERING FORECAST SOUNDINGS SHOW ABOUT 40 KT OF VERTICAL SHEAR
   WITH SUBSTANTIAL DIRECTIONAL SHEAR IN THE LOW TO MID-LEVELS.
   
   ..BROYLES.. 08/28/2008