Subj : MESO: Mesoscale Discussion 1365
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Jun 21 2024 22:32:00

ACUS11 KWNS 212231
SWOMCD
SPC MCD 212231=20
COZ000-UTZ000-220000-

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 https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!5yJITPOV-Z_BpbNnbr_FwLb0yvLnWcMoFHazsxG-HkHmU7n2T8QlliW9FBucGFtd8x0GxX2k_=
wvoKaBSNyUaiyK5V1Q$  for graphic product...

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

LAT...LON   37051005 38551101 38961081 39270981 39240893 39070864
            37900822 37530832 37280846 37140896 37070953 37051005=20


=3D =3D =3D
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