Subj : MESO: Mesoscale Discussion 1259
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun Jun 25 2023 20:18:49

ACUS11 KWNS 252018
SWOMCD
SPC MCD 252018=20
OHZ000-MIZ000-INZ000-252145-

Mesoscale Discussion 1259
NWS Storm Prediction Center Norman OK
0318 PM CDT Sun Jun 25 2023

Areas affected...Portions of IN into far northwestern OH

Concerning...Tornado Watch 374...

Valid 252018Z - 252145Z

The severe weather threat for Tornado Watch 374 continues.

SUMMARY...Tornadoes, very large hail, and severe/damaging winds will
continue to be a threat across Indiana as they move eastward this
afternoon.

DISCUSSION...An arcing line of supercells is ongoing across IN
along/east of a surface dryline-like feature. Multiple reports of 2
to 3 inch diameter hail have already been received with the more
robust cores, and the potential for very large hail will likely
continue in the short term given a favorable thermodynamic/kinematic
environment. The latest VWP from KIND shows around 200 m2/s2 of 0-1
km SRH, and a strongly veering and strengthening wind profile with
height through 8 km. The threat for tornadoes should persist across
eastern IN and far northwestern OH with any supercells that can
remain discrete. Some of the supercells across northeastern IN have
recently congealed into a small bowing cluster, with strong
convective outflow winds noted on velocity data from KIWX.
Severe/damaging winds, some potentially significant (75+ mph), will
become an increasing concern with any linear structures through the
rest of the afternoon.

...Gleason.. 06/25/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!9IuRwKuBdATp9Q5L6Wp7oMC4t1xi0EDv2v61bFSCR6sUdWA_-XJVsPcIXyzdHJ6MZBJQa2kgA=
DXedHWoVDYwgA9lUNc$  for graphic product...

ATTN...WFO...LMK...IWX...IND...

LAT...LON   38858735 39708645 41148601 42058504 41548445 39178574
            38548688 38858735=20


=3D =3D =3D
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