MESOSCALE DISCUSSION 1091
   NWS STORM PREDICTION CENTER NORMAN OK
   1119 PM CDT SUN JUN 10 2007
   
   AREAS AFFECTED...SCNTRL/SERN ND...NCNTRL/NERN SD AND WCNTRL MN
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 110419Z - 110615Z
   
   LATEST PROFILER PLOTS SHOW A BROAD 30-35 KT SLY LLJ EXTENDING FROM
   CNTRL NEB INTO SCNTRL SD.  00Z H85 PLOT SHOWS STRONGEST BAROCLINIC
   ZONE NORTH OF THE INTERNATIONAL BORDER...BUT PRESENCE OF HEAT
   MAXIMUM OVER THE WRN DAKS AND COOLER REGIME IN MN SUGGESTS A
   SECONDARY ZONE OF BAROCLINICITY SITUATED N-S THROUGH THE CNTRL DAKS.
    ORIENTATION OF THE LLJ...WHICH SHOULD GRADUALLY VEER TO MORE SWLY
   LATER TONIGHT...WILL BOOST MOISTURE TRANSPORT/WARM ADVECTION FROM
   CURRENT TSTM DEVELOPMENT IN SD/ND ENEWD INTO WCNTRL MN BY 09Z. 
   
   00Z BIS SOUNDING SAMPLED STEEP MID-TROPOSPHERIC LAPSE RATES WITH
   ROUGHLY 20-25 KTS OF CAPE-BEARING SHEAR.  THIS SUGGESTS POTENTIAL
   FOR RATHER ROBUST MULTICELL UPDRAFTS CAPABLE OF LARGE HAIL AND
   PERHAPS GUSTY WINDS.  ACTIVITY WILL GRADUALLY DEVELOP ENEWD AND MAY
   JOIN ACTIVITY IN PROGRESS OVER WCNTRL MN LATER TONIGHT.
   
   IF STORMS CONTINUE AN UPSWING IN INTENSITY...A WW MAY BE REQUIRED
   FOR PARTS OF THE REGION FOR THE OVERNIGHT HOURS.
   
   ..RACY.. 06/11/2007
   
   
   ATTN...WFO...MPX...FGF...ABR...BIS...
   
   45840123 46559639 45319585 45370036