Subj : MESO: Mesoscale Discussion 0864
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Tue May 21 2024 06:30:14

ACUS11 KWNS 210630
SWOMCD
SPC MCD 210629=20
KSZ000-NEZ000-COZ000-210730-

Mesoscale Discussion 0864
NWS Storm Prediction Center Norman OK
0129 AM CDT Tue May 21 2024

Areas affected...southwestern Nebraska into northwestern Kansas

Concerning...Tornado Watch 273...

Valid 210629Z - 210730Z

The severe weather threat for Tornado Watch 273 continues.

SUMMARY...A cluster of intense storms continues moving eastward
across southwestern Nebraska and adjacent northwestern Kansas.=20
All-hazards severe risk is evident.

DISCUSSION...A well-organized, broadly rotating storm is currently
observed crossing the Hayes/Hitchcock County vicinity in Nebraska,
with trailing storms extending southwestward to Cheyenne County
Kansas.  The storms are ongoing just north of the conglomerate
surface front/outflow lying west-southwest to east-northeast across
northwestern Kansas and into central and southeastern Nebraska.  As
such, this region is on the northern gradient of surface-based
instability, and thus capable of producing all-hazards severe
weather -- given favorably strong/sheared background flow.  This
convection should maintain intensity as it shifts eastward toward --
and eventually into -- WW 274, aided by the observed 60-kt low-level
jet.

...Goss.. 05/21/2024

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!_RnkL8sn9H04OuJGhIbtjCG0vDQkBxwjps1GuEEW8b8pWErqJrHQ-c6Tf7ZYa_tsCK2tgZWty=
Fl57g3OSJl2NElaRFc$  for graphic product...

ATTN...WFO...GID...LBF...GLD...

LAT...LON   39610212 39900210 40190168 40390153 40600017 39910002
            39700047 39610212=20


=3D =3D =3D
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