Mesoscale Discussion 1634
   NWS Storm Prediction Center Norman OK
   0728 PM CDT Sat Aug 28 2021

   Areas affected...central NE

   Concerning...Severe Thunderstorm Watch 470...

   Valid 290028Z - 290230Z

   The severe weather threat for Severe Thunderstorm Watch 470
   continues.

   SUMMARY...Thunderstorms capable of severe wind/hail will continue
   over central NE this evening.

   DISCUSSION...Radar/satellite imagery early this evening shows a
   southwest-northeast band of embedded cells over central NE.  Surface
   analysis indicates this thunderstorm cluster is located on the
   front.  Conditions to the east/southeast in the inflow of the storms
   remains very warm and humid with upper 80s temperatures and
   dewpoints near 70 deg.  The 00z North Platte raob showed 2700 J/kg
   MLCAPE and an 8 deg C/km surface to 500 mb lapse rate.  Mid-level
   flow is forecast to strengthen over the next few hours as the
   shortwave trough over the northern High Plains continues east into
   the Dakotas this evening.  The main hazards with the stronger storms
   will be large hail and severe gusts.

   ..Smith.. 08/29/2021

   ...Please see www.spc.noaa.gov for graphic product...

   ATTN...WFO...OAX...GID...LBF...

   LAT...LON   41409930 41420007 41700022 42469838 42419784 42059779
               41809790 41409930