MESOSCALE DISCUSSION 1582
   NWS STORM PREDICTION CENTER NORMAN OK
   0501 PM CDT MON JUL 11 2011
   
   AREAS AFFECTED...EXTREME ERN WY...NRN NEB AND SWRN SD
   
   CONCERNING...SEVERE POTENTIAL...WATCH NEEDED SOON 
   
   VALID 112201Z - 112230Z
   
   ENVIRONMENTAL CONDITIONS HAVE BECOME MORE FAVORABLE FOR ISOLATED
   TORNADOES ALONG AND NORTH OF A QUASISTATIONARY FRONT FROM EXTREME
   E-CNTRL WY...NRN NEB INTO SWRN SD...AND A WATCH ISSUANCE HAS BEEN
   COORDINATED AND WILL BE ISSUED SOON.
   
   ..DIAL.. 07/11/2011
   
   
   ATTN...WFO...LBF...UNR...CYS...
   
   LAT...LON   43380440 43030072 42390047 42200122 42380318 42660476
               43380440