MESOSCALE DISCUSSION 0689
   NWS STORM PREDICTION CENTER NORMAN OK
   1127 PM CDT SAT MAY 18 2013
   
   AREAS AFFECTED...SERN ND / PARTS OF WRN MN
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 190427Z - 190530Z
   
   PROBABILITY OF WATCH ISSUANCE...60 PERCENT
   
   SUMMARY...THE POSSIBILITY EXISTS FOR A FEW STRONG THUNDERSTORM WIND
   GUSTS OVER SERN ND AND PARTS OF WRN MN.
   
   DISCUSSION...RADAR MOSAIC SHOWS AN ARCING GUST FRONT FROM NEAR PIR
   TO 40 MI NW ABR TO THE STUTSMAN COUNTY ROTATING STORM.  A STATIONARY
   WEST-EAST ORIENTED BOUNDARY IS DRAPED ALONG THE ND-SD
   BORDER...PROBABLY DELINEATING WHERE STORMS MAY TEND TO BE ELEVATED N
   OF THE BOUNDARY.  STRONG LOW LEVEL SELY/S SHOWN ON THE KABR VWP
   INDICATIVE OF STRONG WAA/ISENTROPIC LIFT WILL PROBABLY PROMOTE
   ADDITIONAL STORM DEVELOPMENT THE NEXT FEW HOURS.  RECENT SURFACE
   OBSERVATIONS OF TEMPS NEAR 80 AND DEWPOINTS IN THE UPPER 50S IMPLY
   SOME SURFACE-BASED STORM THREAT S OF THE BOUNDARY BASED ON THE 00Z
   ABR RAOB.  GIVEN THE PROXIMITY OF THE BOUNDARY TO THIS REGION AND
   STORMS POTENTIAL ABILITY TO DRAW NEAR SURFACE-BASED AIR
   PARCELS...THERE MAY BE SOME CONTINUED THREAT FOR STRONG TO PERHAPS
   LOCALLY SEVERE WIND GUSTS FOR THE NEXT SEVERAL HOURS.
   
   ..SMITH/CORFIDI.. 05/19/2013
   
   
   ATTN...WFO...FGF...BIS...
   
   LAT...LON   47059842 47249753 47429679 46859609 46059587 45959792
               47059842