MESOSCALE DISCUSSION 1045
   NWS STORM PREDICTION CENTER NORMAN OK
   0655 PM CDT SUN JUN 20 2010
   
   AREAS AFFECTED...N CNTRL/NE KS...S CNTRL/SRN NEB INTO PARTS OF NW/W
   CNTRL MO
   
   CONCERNING...TORNADO WATCH 359...
   
   VALID 202355Z - 210130Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 359 CONTINUES.
   
   AN ADDITIONAL WW PROBABLY WILL BE NEEDED EAST OF THE CURRENT
   WATCH...ACROSS PARTS OF THE LOWER/MID MISSOURI VALLEY WITHIN THE
   NEXT HOUR OR TWO.
   
   PROFILER DATA FROM FAIRBURY NEB APPEARS TO SUPPORT LATEST RUC
   GUIDANCE INDICATING A MODERATE EASTERLY FLOW COMPONENT ON THE ORDER
   OF 20 KTS...WITHIN THE LOWEST KILOMETER ABOVE GROUND LEVEL...JUST TO
   THE NORTH OF THE SURFACE FRONT ACROSS NORTHERN KANSAS.  AS THE
   SURFACE COLD POOL...NOW FORMING IN ASSOCIATION WITH THE EVOLVING
   MESOSCALE CONVECTIVE SYSTEM EAST OF HILL CITY...CONTINUES TO ADVANCE
   EASTWARD...THERE APPEARS TO BE POTENTIAL FOR AN ACCELERATION OF THE
   SYSTEM IN EXCESS OF 40 KTS BETWEEN NOW AND 02-03Z.  GIVEN FAVORABLE
   THERMODYNAMIC PROFILES WITH STEEP LAPSE RATES AND SIZABLE LOWER/MID
   TROPOSPHERIC DEW POINT SPREADS...WIND GUSTS IN EXCESS OF 60 KT COULD
   BECOME COMMON ALONG THE FRONTAL ZONE...WITH ACTIVITY PERHAPS
   ADVANCING EAST OF BEATRICE NEB AND MANHATTAN KS THROUGH THE ST.
   JOSEPH/KANSAS CITY MO AREAS DURING THE 02-04Z TIME FRAME.
   
   ..KERR.. 06/20/2010
   
   
   ATTN...WFO...EAX...OAX...TOP...ICT...GID...
   
   LAT...LON   39889847 40379818 40329657 40069565 39679500 39069483
               38879498 38849641 38829755 38939893 39409842 39889847