Storm Prediction Center Mesoscale Discussion 1334

   Mesoscale Discussion 1334
   NWS Storm Prediction Center Norman OK
   0325 PM CDT Tue Jun 17 2025

   Areas affected...Southeast Wyoming...southern Nebraska
   Panhandle...Front Range into northeast Colorado

   Concerning...Severe Thunderstorm Watch 428...

   Valid 172025Z - 172200Z

   The severe weather threat for Severe Thunderstorm Watch 428
   continues.

   SUMMARY...Severe wind gust potential increasing just east of the
   I-25 corridor and along I-80 in southeast Wyoming and the Nebraska
   Panhandle. How far east this activity can maintain intensity is not
   clear.

   DISCUSSION...Linear convection has increased in intensity east of
   Cheyenne and along the I-25 corridor. The most organized wind
   signal, per KCYS velocity data, is moving roughly along I-80 east of
   Cheyenne. A 69 mph wind gusts was measured with this activity.
   Additionally, KFTG is showing a modest increase in wind potential
   just east of the I-25 corridor. Areas of the Nebraska Panhandle into
   northeast Colorado did receive longer periods of insolation this
   afternoon. Farther east, outflow from morning convection has
   modified a small degree. While severe wind gusts will become more
   probable in the short term, the eastward extent of this threat is
   not clear given at least pockets of MLCIN remaining.

   ..Wendt.. 06/17/2025

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

   ATTN...WFO...LBF...GLD...BOU...CYS...

   LAT...LON   39900362 39720505 41600477 41490266 41100241 40320257
               39900362 

   MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH
   MOST PROBABLE PEAK WIND GUST...65-80 MPH
   MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN