Storm Prediction Center Mesoscale Discussion 1285

   Mesoscale Discussion 1285
   NWS Storm Prediction Center Norman OK
   0722 PM CDT Tue Jun 23 2026

   Areas affected...portions of southeastern Wyoming into extreme
   western Nebraska

   Concerning...Severe Thunderstorm Watch 385...

   Valid 240022Z - 240115Z

   The severe weather threat for Severe Thunderstorm Watch 385
   continues.

   SUMMARY...Severe wind and hail will likely occur with any storms
   that manage to intensify and become sustained.

   DISCUSSION...Thunderstorms have struggled to become sustained east
   of I-25, possibly due to residual MLCINH over the warm sector.
   Nonetheless, MRMS mosaic radar imagery depicts deeper storm cores
   north of Laramie, WY, with up to 1 inch diameter hail likely
   falling. Should these storms manage to overcome the MLCINH and
   become sustained, larger severe hail (perhaps exceeding 2 inches in
   diameter) and severe gusts will become possible given 1500+ J/kg
   MLCAPE and 50-60 kts of effective bulk shear present.

   ..Squitieri.. 06/24/2026

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

   ATTN...WFO...CYS...

   LAT...LON   41740643 42030549 42140456 42040349 41670332 41340345
               41100400 41070474 41090534 41200587 41330620 41740643