Regional historical composite · not a forecast
CA/Southwest precip-El Niño link weaker than Gulf and depends on strength; strong events more often wet; weak/moderate approx mixed thirds. South-shifted storm track means stormier/wetter California (nawinter).
Season context: Cold-season / winter (DJF focus; cold half-year context)
Atlas composites for this region: not a city forecast.
Often wetter in strong events
Cold-season / winter (DJF focus; cold half-year context)
Stronger El Niño winters have more often brought above-average rain to Southern California; weaker events are mixed.
Often stormier
Cold-season / winter (DJF focus; cold half-year context)
El Niño winters more often feature a south-shifted Pacific storm track and stormier conditions across California.
