Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun Jan 08 2023 17:12:22

ACUS02 KWNS 081712
SWODY2
SPC AC 081710

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1110 AM CST Sun Jan 08 2023

Valid 091200Z - 101200Z

....THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS CENTRAL COAST OF
CALIFORNIA...

....SUMMARY...
Isolated strong to severe thunderstorms may occur along/near parts
of the central California Coast, mainly Monday night into early
Tuesday morning.

....California...
A large-scale upper trough over the eastern Pacific will approach
the West Coast.  An embedded mid-level shortwave trough will reach
the central CA coast late Monday night through early Tuesday
morning.

DCVA associated with the disturbance will promote an increase in
large-scale ascent and development of showers/thunderstorms.
Expectedly, models still vary some regarding both moisture quality
and buoyancy near central CA coast.  Surface dewpoints will likely
only rise to the 52-54 deg F range, but the contribution of
mid-level cold air advection will result in buoyancy developing near
the coast during the late overnight (08-12 UTC).  A veering and
strengthening wind profile in the boundary layer should support the
potential for some transient updraft organization.  Low-topped
convection possibly evolving into 1 or 2 weakly rotating storms may
pose a localized threat for isolated damaging winds and perhaps a
brief tornado.

...Smith.. 01/08/2023

$$

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