Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Thu Dec 08 2022 06:50:45

ACUS02 KWNS 080650
SWODY2
SPC AC 080648

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1248 AM CST Thu Dec 08 2022

Valid 091200Z - 101200Z

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

....SUMMARY...
Severe weather is not expected across the U.S. on Friday.

....Discussion...
Modest amplification of the flow field aloft is expected Friday, as
long-wave troughing continues to evolve over the West.
Specifically, an initial trough that is progged to move onshore
Thursday, should shift northeastward across the interior
West, while a second wave digs south-southeastward out of the Gulf
of Alaska toward the West Coast.

At the surface, a west-to-east baroclinic zone lying from the
southern Plains to the southern Appalachians will move slightly
southward with time, but should move little over the
southern Plains as a southern Plains frontal wave develops
overnight.

Showers and potentially a few lightning flashes will occur during
initial stages of the period over the eastern
Tennessee vicinity.

Overnight, elevated convection should evolve over the Oklahoma/north
Texas area and into Arkansas, as low-level warm advection increases
ahead of the evolving western trough.

Finally, convection -- with a few embedded lightning flashes -- may
affect the southern Oregon/northern California Coasts toward the end
of the period, as the digging eastern Pacific short-wave trough
approaches.

In all areas, severe weather is not expected.

...Goss.. 12/08/2022

$$

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