Subj : MESO: Mesoscale Discussion 0465
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Apr 05 2023 00:55:05

ACUS11 KWNS 050055
SWOMCD
SPC MCD 050054=20
ILZ000-050230-

Mesoscale Discussion 0465
NWS Storm Prediction Center Norman OK
0754 PM CDT Tue Apr 04 2023

Areas affected...Central Illinois

Concerning...Tornado Watch 115...

Valid 050054Z - 050230Z

The severe weather threat for Tornado Watch 115 continues.

SUMMARY...Isolated supercell may continue for the next 1-2 hours.

DISCUSSION...Supercell that evolved along the southwestern flank of
a more complex cluster of storms over northeast MO has progressed
into central IL southwest of PIA. This storm has a history of
producing tornadoes and continues to exhibit severe characteristics
over eastern Fulton, southern Peoria, and western Tazewell County
region. This storm appears to have slowed a bit over the last hour
as it begins to encounter increasingly hostile air mass downstream.
00z sounding from ILX is strongly capped at 850mb which supports
weakening updrafts with time. However, strong low-level SRH and
deep-layer shear may allow this storm to survive a bit longer than
otherwise would be expected. It's not entirely clear how long this
supercell will remain severe but it may advance beyond the eastern
edge of ww115.

...Darrow.. 04/05/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!8tbpyuSaTzKNzVOLhq_ZQvr6ko9oa7B2Rmj36BMugEC8UvsJYQa-AnWw0jGe0N24ReP1Iy1ax=
jHYeOLRYrW3WpChzbA$  for graphic product...

ATTN...WFO...LOT...ILX...

LAT...LON   40669005 41028867 40678823 40348868 40319000 40669005=20


=3D =3D =3D
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