ACUS11 KWNS 252158
SWOMCD
SPC MCD 252157=20
COZ000-WYZ000-UTZ000-252330-
Mesoscale Discussion 1989
NWS Storm Prediction Center Norman OK
0457 PM CDT Sun Aug 25 2024
Areas affected...portions of eastern Utah into southern Wyoming and
western Colorado
Concerning...Severe Thunderstorm Watch 646...
Valid 252157Z - 252330Z
The severe weather threat for Severe Thunderstorm Watch 646
continues.
SUMMARY...The severe threat continues across Severe Thunderstorm
Watch 646. Severe hail and wind remain the main threats with the
stronger storms.
DISCUSSION...Clusters of supercells and multicells have organized
across eastern portions of the Great Basin this afternoon amid
seasonally impressive mid-level flow and associated deep-layer shear
(bulk effective shear values exceeding 60 kts in spots). Given over
1500 J/kg MLCAPE in place (with well over 100 J/kg in the 0-3 km
layer alone), organized storm modes, including supercells, should
persist through the afternoon. Thunderstorms, and an associated
severe hail/wind threat, should continue to progress eastward across
Severe Thunderstorm Watch 646 in tandem with the eastward-tracking
500 mb trough.
..Squitieri.. 08/25/2024
...Please see
https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!66gNhT4CUTP54vz547NSYwUzUEKJwbS9ovNJtZ--RejXBrke7PzShqtQjoTrkxN4LUXqkJGhJ= cYGTaQyq-3cmrYtjUM$ for graphic product...
ATTN...WFO...BOU...CYS...RIW...GJT...SLC...
LAT...LON 37470834 37160959 37221024 37531045 38511002 39650958
40860923 41670840 42130768 42170684 41350651 39740709
38280781 37470834=20
=3D =3D =3D
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