Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Mon Sep 08 2025 00:30:32

ACUS01 KWNS 080030
SWODY1
SPC AC 080028

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0728 PM CDT Sun Sep 07 2025

Valid 080100Z - 081200Z

....THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS CENTRAL/SOUTHERN
HIGH PLAINS...

....SUMMARY...
A few stronger thunderstorms capable of marginally severe hail/wind
gusts remain possible across portions of the central and southern
High Plains, especially this evening.

....01z Update...

Notable short-wave trough has progressed through the western U.S.
ridge and is now digging southeast across eastern WY/CO. Isolated
strong-severe thunderstorms have developed ahead of this feature
within an air mass characterized by 1000-2000 J/kg MLCAPE. 00z
sounding from DDC supports this with around 1000 J/kg MLCAPE, and
0-6km bulk shear on the order of 35kt. Over the next few hours LLJ
is expected to increase across the TX Panhandle into southwestern
NE. This should aid southeast propagation across the central High
Plains, and isolated hail/wind may continue to be observed with the
more robust updrafts. Given the expected increase in LLJ, some of
this activity could linger into the overnight hours.

...Darrow.. 09/08/2025

$$

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