MESOSCALE DISCUSSION 1702
   NWS STORM PREDICTION CENTER NORMAN OK
   1011 PM CDT FRI JUL 22 2011
   
   AREAS AFFECTED...NRN AND ERN ND...NWRN MN
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 230311Z - 230415Z
   
   CORRECTED FOR WFOS IN POINTS PRODUCT
   
   AN ISOLATED SEVERE THREAT WILL LIKELY DEVELOP ACROSS NRN AND ERN ND
   INTO NWRN MN. LARGE HAIL WILL BE THE MAIN THREAT BUT ISOLATED
   DAMAGING WIND GUSTS WILL ALSO BE POSSIBLE. WW ISSUANCE MAY BE
   NECESSARY ACROSS THE REGION LATE THIS EVENING.
   
   SCATTERED THUNDERSTORMS ARE BEGINNING TO DEVELOP ACROSS CNTRL ND 120
   TO 150 STATUTE MILES TO THE NORTH A FRONTAL BOUNDARY EXTENDING ESEWD
   ACROSS SRN ND INTO NERN SD. MESOANALYSIS SUGGESTS MUCAPE VALUES ON
   THE NORTH SIDE OF THE BOUNDARY ARE IN THE 250 TO 1000 J/KG RANGE
   WITH LESS INSTABILITY THE FURTHER NORTH AWAY FROM THE BOUNDARY.
   STORM COVERAGE SHOULD CONTINUE TO INCREASE AS A LEAD SHORTWAVE
   TROUGH EVIDENT ON WATER VAPOR IMAGERY AND RUC ANALYSIS MOVES NEWD
   ACROSS CNTRL ND. IN ADDITION...FORECAST SOUNDINGS IN CNTRL ND LATE
   THIS EVENING SHOW 40 OF EFFECTIVE SHEAR WHICH SUPPORT SEVERE STORM
   DEVELOPMENT. LARGE HAIL WILL BE THE PRIMARY THREAT BUT AN ISOLATED
   WIND DAMAGE THREAT WILL BE POSSIBLE ESPECIALLY IF A LARGE CLUSTER OF
   STORMS CAN ORGANIZE.
   
   ..BROYLES.. 07/23/2011
   
   
   ATTN...WFO...MPX...FGF...ABR...BIS...
   
   LAT...LON   47279568 47979742 48569891 48799996 48740062 48500115
               48060121 47620099 47220028 46969977 46539917 46329820
               45969747 45829646 45969555 46349521 46949532 47279568