Mesoscale Discussion 1065
   NWS Storm Prediction Center Norman OK
   1046 PM CDT Tue Jun 30 2020

   Areas affected...Eastern NE...Western IA

   Concerning...Severe potential...Watch possible 

   Valid 010346Z - 010515Z

   Probability of Watch Issuance...60 percent

   SUMMARY...Severe threat is increasing across eastern NE. Some
   consideration is being given to a new ww downstream.

   DISCUSSION...Southern influence of strong short-wave trough is
   glancing portions of eastern NE late this evening. Convection along
   the front has gradually increased and a well-developed squall line
   currently extends from Madison County - Hamilton County. This line
   is moving east at roughly 20-25kt and should exit ww320 after 06z.
   Weak warm advection will continue across the mid-MO Valley tonight,
   though shear is not particularly strong, a reservoir of strong
   instability resides just downstream. New ww is being considered.

   ..Darrow.. 07/01/2020

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

   ATTN...WFO...EAX...FSD...OAX...GID...

   LAT...LON   40479748 42349701 42489600 41079540 40239568 40479748