Subj : MESO: Mesoscale Discussion 0627
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Apr 30 2025 23:54:18

ACUS11 KWNS 302354
SWOMCD
SPC MCD 302353=20
INZ000-ILZ000-010100-

Mesoscale Discussion 0627
NWS Storm Prediction Center Norman OK
0653 PM CDT Wed Apr 30 2025

Areas affected...Parts of southeast Illinois into southern Indiana

Concerning...Tornado Watch 200...

Valid 302353Z - 010100Z

The severe weather threat for Tornado Watch 200 continues.

SUMMARY...A locally favorable tornado corridor is evident from parts
of southeastern Illinois into southern Indiana in the near-term --
within Tornado Watch 200.

DISCUSSION...Several discrete mini supercell structures are evolving
along an east/west-oriented warm front from southeast IL into
southern IN. Ahead of these storms, the IND VWP is sampling a
clockwise-curved hodograph with around 250 m2/s2 0-1km SRH along the
front (based on observed storm motion). Given the narrow overlap of
this boosted SRH and surface-based instability, a locally favorable
tornado corridor is evident in the near-term.

...Weinman.. 04/30/2025

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!5zqOXNlPg1bQx5MC4JQ9vAaik4U6pelQvpzmEZETnOEw2yxd0ZF9X44wD5IHyxU7ArD6ReDcm=
y23m0HgmOKNAvbpWxQ$  for graphic product...

ATTN...WFO...LMK...IND...ILX...LSX...

LAT...LON   39518875 39458783 39268565 39018559 38758578 38688634
            38768757 38918912 39128922 39388904 39518875=20

MOST PROBABLE PEAK TORNADO INTENSITY...100-130 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN


=3D =3D =3D
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