spc ac 200548
day 2 convective outlook
nws storm prediction center norman ok
1148 pm cst fri dec 19 2025
valid 211200z - 221200z
...no severe thunderstorm areas forecast...
...summary...
severe thunderstorms are not expected sunday.
...discussion...
progressive/generally zonal upper-level flow will prevail over the
conus on sunday. a low-amplitude shortwave trough will move inland
over the pacific northwest, with thermodynamic profiles potentially
becoming conducive for a few low-topped thunderstorms mainly for
coastal portions of washington. east of the rockies, surface high
pressure and continental trajectories will be prevalent with
essentially nil thunderstorm potential. gradual air mass
modification and low-level moistening will occur over the western
gulf. however, a limited forcing regime and residual capping are
currently expected to preclude thunderstorms along the texas coast.
..guyer.. 12/20/2025
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note: the next day 2 outlook is scheduled by 1730z