Subj : MESO: Mesoscale Discussion 1242
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Jun 24 2023 20:01:40

ACUS11 KWNS 242001
SWOMCD
SPC MCD 242001=20
IAZ000-MNZ000-NEZ000-SDZ000-242200-

Mesoscale Discussion 1242
NWS Storm Prediction Center Norman OK
0301 PM CDT Sat Jun 24 2023

Areas affected...Parts of Mid-Missouri Valley

Concerning...Severe potential...Watch unlikely=20

Valid 242001Z - 242200Z

Probability of Watch Issuance...20 percent

SUMMARY...Isolated large hail and damaging winds are possible in
southeastern South Dakota. A watch is not expected this afternoon.

DISCUSSION...Convection has developed on the leading edge of a
shortwave perturbation in south-central South Dakota. This activity
is currently within modest moisture (dewpoints around 60 F), but
will continue to encounter greater moisture/buoyancy (near 70 F
dewpoints) as it moves toward the IA/MN/SD border region. Long,
straight hodographs will favor at least marginal supercell
structures. Temperatures aloft are cold enough to support marginally
severe hail (primarily 1-1.5 inches). Isolated damaging winds may
also occur. A watch is not expected this afternoon as coverage
should remain quite limited. It is possible, however, that some
intensification will occur later in the afternoon when storms
encounter a better environment.

...Wendt/Grams.. 06/24/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!4zgryVbS4UcPOuKcU8JuzZvMqE9nemoSd1uLtfta8XXU6o95dBgz3i8lSsJL4KpqN5gQGXOEI=
d2K2_54vf06u87knKg$  for graphic product...

ATTN...WFO...FSD...OAX...ABR...LBF...UNR...

LAT...LON   42819941 43379958 43969901 44309730 43949624 43089613
            42539640 42389676 42819941=20


=3D =3D =3D
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