Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu Nov 23 2023 17:00:01

ACUS02 KWNS 231659
SWODY2
SPC AC 231658

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1058 AM CST Thu Nov 23 2023

Valid 241200Z - 251200Z

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

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

....Discussion...
A quiescent pattern for thunderstorm activity is expected to persist
across much of the CONUS tomorrow. One exception will be over the
Four Corners where sporadic lightning flashes within low-topped
convection will be possible during the afternoon into the evening.

An expansive upper trough with a series of multiple shortwave
impulses over the West should evolve into a closed low by Friday
afternoon, centered on the UT/ID/WY border vicinity. Mid-level DCVA
will be most pronounced to its south, impinging on the Four Corners
area during peak diurnal heating. Despite surface dew points
generally holding in the 20s, the favorable lift and steep lapse
rates through 500 mb should support scant surface-based buoyancy.
Scattered low-topped convection is expected with sporadic lightning
flashes possible in the relatively deepest cores. The bulk of
isolated thunderstorm potential should hold in the Four Corners
vicinity, but low probabilities may linger beyond sunset towards
north-central NM.

...Grams.. 11/23/2023

$$

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