MESOSCALE DISCUSSION 1278
   NWS STORM PREDICTION CENTER NORMAN OK
   0723 PM CDT MON JUN 09 2003
   
   AREAS AFFECTED...NEB AND
   
   CONCERNING...TORNADO WATCH 491...496...
   
   VALID 100023Z - 100230Z
   
   TORNADOES LIKELY ALONG WARM FRONT AT LEAST NEXT 2 HOURS.
   
   AT 00 UTC...SURFACE LOW WAS LOCATED JUST SOUTH OF SFD OR ABOUT 40 NE
   VTN. THE SURFACE LOW HAS DEEPENED ABOUT 2 MB THE PAST HOUR AND
   STRONG PRESSURE FALLS EXTEND SEWD ALONG THE WARM FRONT INTO NERN
   NEB. AIR MASS ON THE WARM SIDE OF THE FRONT IS VERY UNSTABLE WITH
   MLCAPE VALUES IN EXCESS OF 3000 J/KG. LOW LEVEL SHEAR HAS CONTINUED
   TO INCREASE AS SLY WINDS SOUTH OF THE WARM FRONT HAVE INCREASED TO
   30-35 KT. ENVIRONMENTAL CONDITIONS REMAIN HIGHLY FAVORABLE FOR
   TORNADOES TO CONTINUE FROM THE SURFACE LOW SEWD ALONG THE WARM FRONT
   DURING AT LEAST THE NEXT 2 HOURS.
   
   ..IMY.. 06/10/2003
   
   
   ATTN...WFO...DMX...FSD...OAX...LBF...UNR...
   
   43459907 43069833 42809790 42519652 42259561 41739600
   42209837 42569958 43169996