RSS Mesoscale Discussions from Storm Prediction Center
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0657 PM CST Wed Nov 12 2025
Valid 130100Z - 131200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Minimal chances of isolated thunderstorms remain possible along the
coast of northern California late tonight/early tomorrow. Severe
weather is unlikely.
...Synopsis...
A deep upper low will approach the West Coast tonight and into
Thursday, with gradual cooling aloft as well as midlevel moistening
and lift. Minimal elevated instability of perhaps 100-200 J/kg may
develop, supporting sporadic lightning flashes as precipitation
develops ahead of the wave overnight into coastal northern
California. Despite strong wind fields, surface-based CAPE will
remain near zero, and as such severe storms are not forecast.
..Jewell.. 11/13/2025
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