Subj : MESO: Mesoscale Discussion 1341
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu Jun 29 2023 19:59:39

ACUS11 KWNS 291959
SWOMCD
SPC MCD 291959=20
OHZ000-KYZ000-INZ000-ILZ000-292200-

Mesoscale Discussion 1341
NWS Storm Prediction Center Norman OK
0259 PM CDT Thu Jun 29 2023

Areas affected...southern/eastern Indiana into southwestern Ohio and
northern Kentucky

Concerning...Severe Thunderstorm Watch 415...417...

Valid 291959Z - 292200Z

The severe weather threat for Severe Thunderstorm Watch 415, 417
continues.

SUMMARY...Although the organized cluster of storms is weakening,
strong to severe gusts may persist with remnant outflow
overspreading the region through 6-7 PM EDT.

DISCUSSION...Latest trends in lightning data and radar/satellite
imagery indicate notable weakening trends are underway with the
southeastward propagating convective system.  However, the
associated cold pool and rear inflow jet remain strong, and
southeastward propagation has accelerated a bit further at up to 60
kt near the apex of the bow echo in radar reflectivities.  Surface
gusts to 60+ have been recently recorded in observation sites at
Lawrenceville IL and Crawfordsville, Indianapolis IN.=20=20

These peak gusts, mainly beneath the lingering rear inflow jet,
should begin to diminish more rapidly with further weakening of the
convection during the next couple of hours.  However, at its current
forward propagation, it may cross the remainder of southeastern
Indiana, southwestern Ohio and the Blue Grass into Coalfields of
central into southeastern Kentucky by 22-23Z.

...Kerr.. 06/29/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!6M0pblxUv7ydYHNrfRteebmP_oeqmEyOiVfFmkfkhhrv1ozF6xAUG9Mk9TJoXv-vuCh_KSRWm=
-CnY_J1y5-SM3Di4c8$  for graphic product...

ATTN...WFO...RLX...JKL...ILN...LMK...IND...PAH...

LAT...LON   40018597 40018508 39498333 38898288 37768365 37038551
            37278686 38118796 38618654 40018597=20


=3D =3D =3D
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