Mesoscale Discussion 1365
   NWS Storm Prediction Center Norman OK
   0531 PM CDT Fri Jun 21 2024

   Areas affected...Southeastern Utah and far western Colorado

   Concerning...Severe Thunderstorm Watch 441...

   Valid 212231Z - 220000Z

   The severe weather threat for Severe Thunderstorm Watch 441
   continues.

   SUMMARY...Large to very-large hail and isolated strong/severe winds
   are most likely in parts of southeast Utah and adjacent western
   Colorado.

   DISCUSSION...Though the mid-level trough is continuing to lose
   amplitude with time, strong mid-level winds should continue to
   persist in the eastern Great Basin. At present, the most undisturbed
   airmass is roughly within southeastern Utah into adjacent far
   western Colorado. A supercell in San Juan County remains the
   strongest storm in the area and will be most capable of producing 2+
   inch hail in the short term. Other storms in the Emery/Grand
   Counties vicinity may intensify and pose a threat for large hail as
   well. As storms move farther into the western slope, buoyancy will
   be decreased and storm intensity should wane. Elsewhere in WW 441,
   cloud cover/outflow has had some impact and storms have not been as
   intense in the last hour. However, isolated large hail and
   strong/severe winds could occur if any of that peripheral activity
   intensifies.

   ..Wendt.. 06/21/2024

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

   ATTN...WFO...GJT...SLC...

   LAT...LON   37051005 38551101 38961081 39270981 39240893 39070864
               37900822 37530832 37280846 37140896 37070953 37051005