MESOSCALE DISCUSSION 2236
   NWS STORM PREDICTION CENTER NORMAN OK
   1128 PM CDT FRI OCT 07 2011
   
   AREAS AFFECTED...CENTRAL/SOUTHERN NEB
   
   CONCERNING...TORNADO WATCH 862...
   
   VALID 080428Z - 080530Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 862 CONTINUES.
   
   TORNADO WATCH 862 IS SCHEDULED TO EXPIRE AT 05Z...BUT A LOCAL WFO
   EXTENSION MAY BE WARRANTED ESPECIALLY FOR PORTIONS OF SOUTH-CENTRAL
   NEB. DAMAGING WINDS/PERHAPS A TORNADO MAY REMAIN POSSIBLE ON AN
   ISOLATED BASIS...WITH HEAVY RAINFALL A CONCERN AS WELL.
   
   IT SEEMS LIKELY THAT AN EXISTING QUASI-LINEAR COMPLEX WITH SOME
   EMBEDDED BOWING STRUCTURES SHOULD CONTINUE TO DEVELOP NORTHEASTWARD
   INTO SOUTH-CENTRAL NEB INTO THE EARLY PORTIONS OF THE OVERNIGHT.
   WHILE PORTIONS OF CENTRAL NEB BOUNDARY LAYER HAVE BEEN CONVECTIVELY
   OVERTURNED...AND THE SEVERE THREAT SHOULD REMAIN MORE ISOLATED THAN
   EARLIER THIS EVENING...THE PROXIMITY OF A MILD/MODESTLY MOIST
   AIRMASS AND A STRONGLY SHEARED/HIGH SRH ENVIRONMENT COULD CONTINUE
   TO YIELD SOME RISK FOR BOWING STRUCTURES WITH DAMAGING
   WINDS/POSSIBLY A TORNADO INTO THE OVERNIGHT. THIS SHOULD MAINLY BE
   THE CASE ACROSS SOUTH-CENTRAL NEB.
   
   ..GUYER.. 10/08/2011
   
   
   ATTN...WFO...OAX...GID...LBF...GLD...
   
   LAT...LON   40430090 41180024 41809855 41219788 40199876 39999951
               40079999 40430090