Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Nov 17 2023 16:54:51

ACUS02 KWNS 171654
SWODY2
SPC AC 171653

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1053 AM CST Fri Nov 17 2023

Valid 181200Z - 191200Z

....NO SEVERE THUNDERSTORM AREAS FORECAST...

....SUMMARY...
Severe thunderstorms are not expected on Saturday.

....Synopsis...
A mid-level trough near the CA coast early Saturday morning will
feature a disturbance moving through its base and reaching the
central High Plains by mid evening.  An upstream disturbance will
dig southeast from the eastern Pacific into the Great Basin during
the period, thereby reinforcing the larger-scale trough over the
West.  Surface high pressure will be centered over the MS Valley and
lee troughing/cyclogenesis will occur over the central/southern High
Plains.  The initial stage of poleward transport of low-level
moisture will occur across the southern High Plains into western KS
as a LLJ intensifies Saturday night.  Showers and isolated
thunderstorms are possible over a large portion of the Four Corners
states during the day/evening before isolated showers/thunderstorm
chances develop overnight across parts of the Great Plains.  Farther
west, showers and isolated thunderstorms will be possible across
parts of CA into NV where pockets of weak instability develops.

...Smith.. 11/17/2023

$$

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