MESOSCALE DISCUSSION 1031
   NWS STORM PREDICTION CENTER NORMAN OK
   0219 PM CDT MON MAY 30 2011
   
   AREAS AFFECTED...NORTHEAST CO/EXTREME SOUTHEAST WY INTO SOUTHWEST
   NEB
   
   CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY 
   
   VALID 301919Z - 302015Z
   
   AN ISOLATED SEVERE THREAT MAY DEVELOP EAST-NORTHEASTWARD THIS
   AFTERNOON ACROSS NORTHEAST CO/EXTREME SOUTHEAST WY INTO SOUTHWEST
   NEB. A WATCH IS NOT CURRENTLY ANTICIPATED...BUT CONVECTIVE TRENDS
   WILL CONTINUE TO BE MONITORED.
   
   A STRONG/SEVERE TSTM HAS RECENTLY DEVELOPED ACROSS THE NORTHERN CO
   FRONT RANGE IN THE GENERAL VICINITY OF GREELEY AS OF 19Z. WITH
   TIME...IT SEEMS LIKELY THAT THIS STORM AND ADDITIONAL DEVELOPMENT
   MAY CONTINUE TO MOVE/OCCUR WITHIN A POST-FRONTAL REGIME EXTENDING
   EAST-NORTHEASTWARD ACROSS FAR NORTHEAST CO INTO SOUTHWEST NEB. WHILE
   THE BOUNDARY LAYER IS NOT PARTICULARLY MOIST OR UNSTABLE...THE
   ARRIVAL OF DEEP FORCING FOR ASCENT COUPLED WITH STEEP LAPSE
   RATES/HIGHLY SHEARED REGIME MAY SUPPORT A FEW SUPERCELLS CAPABLE OF
   SEVERE HAIL/PERHAPS A TORNADO. CURRENT THINKING IS THE SEVERE THREAT
   WILL REMAIN SUFFICIENTLY MARGINAL/ISOLATED TO PRECLUDE A WATCH...BUT
   TRENDS WILL CONTINUE TO BE CLOSELY MONITORED FOR A POSSIBLE WW
   ISSUANCE.
   
   ..GUYER.. 05/30/2011
   
   
   ATTN...WFO...LBF...GLD...BOU...CYS...
   
   LAT...LON   40370462 40960471 41700330 41660152 40780150 40170297
               40370462