spc ac 291845
day 3 convective outlook
nws storm prediction center norman ok
1245 pm cst mon dec 29 2025
valid 311200z - 011200z
...no severe thunderstorm areas forecast...
...summary...
isolated thunderstorms are possible late new year's eve into early
new year's day along coastal southern california.
...southern ca...
an initially retrograding upper low off of the southern ca coast is
forecast to stall and then eject northeastward as a shortwave trough
through the period, approaching the coast by early thursday morning.
a modest increase in moisture beneath cooling temperatures aloft
could support weak thunderstorm development, mainly late in the
period from the channel islands to the immediate southern ca coast.
with only very meager forecast buoyancy, convection is expected to
remain too shallow and disorganized for an appreciable severe
threat, despite some increase in deep-layer flow/shear with time.
..dean.. 12/29/2025
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note: the next day 3 outlook is scheduled by 0830z