MESOSCALE DISCUSSION 1792
   NWS STORM PREDICTION CENTER NORMAN OK
   1152 PM CDT FRI JUL 29 2011
   
   AREAS AFFECTED...ND/NORTHEAST SD
   
   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 
   
   VALID 300452Z - 300615Z
   
   AT LEAST A MARGINAL/ISOLATED SEVERE THREAT IN THE FORM OF WIND/HAIL
   IS EXPECTED TO CONTINUE OVERNIGHT ACROSS ND/NORTHEAST SD.
   
   A BAND OF ELEVATED STORMS ARE LIKELY TO CONTINUE TO A POSE AN
   ISOLATED SEVERE HAIL/WIND THREAT OVER THE NEXT FEW HOURS AS THEY
   CONTINUE TO EXPAND EAST-NORTHEAST EARLY IN THE OVERNIGHT ACROSS
   SOUTH-CENTRAL/EASTERN ND AND NORTHEAST SD. FARTHER NORTH AND
   WEST...A LONG-LIVED SUPERCELL CONTINUES TO SPREAD
   SOUTHEASTWARD/SLOWLY WEAKEN WITHIN A RESIDUAL INSTABILITY
   AXIS...APPROACHING THE I-90/DICKINSON VICINITY AS OF 0445Z. A
   QUASI-LINEAR BAND OF STORMS ACROSS NORTHERN ND CONTINUE TO APPROACH
   THE MINOT/GARRISON VICINITIES...WITH A 44 KT MEASURED GUST RECENTLY
   NOTED AT STANLEY...AND THESE STORMS WILL LIKELY CONTINUE TO POSE A
   MARGINAL SEVERE WIND THREAT AS WELL. WHILE NEAR-SURFACE CINH WILL
   CONTINUE TO GRADUALLY INCREASE AND STORMS WILL TREND MORE
   ELEVATED...THE ENVIRONMENT REMAINS STRONGLY SHEARED...WITH THIS
   ACTIVITY LIKELY BEING AIDED BY A SHORTWAVE TROUGH OVER
   ALBERTA/SASKATCHEWAN AS WELL AS A 30-35 KT SOUTHERLY LOW LEVEL
   JET/ASSOCIATED WARM ADVECTION REGIME.
   
   ..GUYER.. 07/30/2011
   
   
   ATTN...WFO...FGF...ABR...BIS...
   
   LAT...LON   47060372 47810251 48190158 48830123 48920006 47969793
               45489736 44849884 45539941 46369967 46890044 46930146
               46440236 47060372