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Mesoscale Discussion 2170
NWS Storm Prediction Center Norman OK
0604 PM CDT Sat Aug 29 2026
Areas affected...far eastern NV into central and northern UT
Concerning...Severe potential...Watch possible
Valid 292304Z - 300100Z
Probability of Watch Issuance...40 percent
SUMMARY...Large hail and severe gusts may accompany the stronger
cells through 7-8pm MDT.
DISCUSSION...Latest radar mosaic shows a few cells, the most notable
of which are moving east over White Pine Co. NV and Juab Co. UT.
Ample deep-layer shear (50 kt) and moderate buoyancy (1000-1500 J/kg
SBCAPE) are favoring storm organization into stronger updraft/cell
development. Despite some cloud cover and minor influence from
earlier day convection, the optimal time-of-day via peak heating and
steepening of low-level lapse rates downstream of the ongoing storm
activity, likely promotes a maintenance of the severe threat with
the stronger storms for the next few hours.
..Smith.. 08/29/2026
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...SLC...LKN...
LAT...LON 39401424 39611446 40361454 40691423 41231222 41021170
39841121 39551133 39371169 39401424
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN
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