MESOSCALE DISCUSSION 2078
   NWS STORM PREDICTION CENTER NORMAN OK
   0333 PM CDT SUN AUG 28 2011
   
   AREAS AFFECTED...CNTRL/ERN ORE
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 282033Z - 282200Z
   
   AN ISOLATED DAMAGING WIND/MARGINAL HAIL THREAT SHOULD DEVELOP THIS
   AFTERNOON THROUGH EARLY EVENING WITH SCATTERED TSTMS FORMING ALONG
   THE CASCADES AND MTNS OF ERN ORE. OVERALL SETUP APPEARS MARGINALLY
   FAVORABLE FOR A SEVERE TSTM WATCH ISSUANCE DURING THE NEXT FEW
   HOURS.
   
   MID-LEVEL CIRCULATION CENTERED NEAR THE CASCADES SHOULD CONTINUE TO
   SLOWLY PROPAGATE E/NEWD ACROSS N-CNTRL ORE THROUGH THIS EVENING.
   ASSOCIATED FORCED ASCENT AND DIURNAL HEATING WILL FOSTER A GRADUAL
   INCREASE IN TSTMS INITIATING ALONG THE CASCADES AND FARTHER E OVER
   THE HIGHER TERRAIN OF ERN ORE. WITH GPS PW VALUES AROUND 0.5 TO 0.8
   INCHES...BUOYANCY WILL REMAIN WEAK. NEVERTHELESS...DEEPENING
   INVERTED-V THERMODYNAMIC PROFILES COUPLED WITH A POCKET OF COLDER
   MID-LEVEL TEMPERATURES /AROUND -14 C AT 500 MB/ AND BELT OF ENHANCED
   MID-LEVEL FLOW SHOULD PROVE FAVORABLE FOR STRONG TO LOCALLY SEVERE
   WIND GUSTS AND MARGINAL HAIL. GIVEN THE SLOW-MOVING/COMPACT NATURE
   OF THE MID-LEVEL CIRCULATION...THE SPATIAL EXTENT OF AN APPRECIABLE
   SEVERE THREAT SHOULD REMAIN PRIMARILY LIMITED TO CNTRL ORE THROUGH
   LATE AFTERNOON.
   
   ..GRAMS.. 08/28/2011
   
   
   ATTN...WFO...MSO...BOI...OTX...PDT...MFR...
   
   LAT...LON   43302199 43912167 45002129 45802037 46121763 45851662
               45181654 44991662 44241695 43421673 43001668 42521674
               42281692 42271727 42931865 43141988 43082114 43082181
               43302199