Subj : MESO: Mesoscale Discussion 0565
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu Apr 20 2023 01:03:07

ACUS11 KWNS 200103
SWOMCD
SPC MCD 200102=20
OKZ000-TXZ000-200230-

Mesoscale Discussion 0565
NWS Storm Prediction Center Norman OK
0802 PM CDT Wed Apr 19 2023

Areas affected...portions of central Oklahoma

Concerning...Tornado Watch 147...148...

Valid 200102Z - 200230Z

The severe weather threat for Tornado Watch 147, 148 continues.

SUMMARY...A large hail threat will continue for another 2 to 3 hours
with the potential for a few tornadoes.

DISCUSSION...Multiple supercells are ongoing from north-central to
south-central Oklahoma with hail up to baseball size and a few
tornadoes. These storms have been mostly hail producers with only
weak/brief low-level circulations.=20

However, a storm merger in McClain county combined with increasing
SRH as the low-level jet strengthens led to a strong tornado with a
TDS above 10kft and a Vrot of 80-85 knots with a STP of 3-4. This
suggests damage potential consistent with a strong to intense
tornado (potentially 150+ mph)

While the ongoing tornado appears to be occluding, additional
reorganization/restrengthening could pose a significant tornado
threat for another 1 to 2 hours at it moves east.

...Bentley.. 04/20/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!4psh8Pm04LsDanHN5scI0iuEkSQx131LhldFf2u7_QTXbR_6lr4wehC60Dt55KopWMnoz-45n=
MhLok77A1Vn0u2aRVw$  for graphic product...

ATTN...WFO...TSA...FWD...OUN...

LAT...LON   36399753 36609708 36299635 35329633 34059715 33849774
            33929827 34069856 34329867 36399753=20


=3D =3D =3D
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