El Niño often brings warmer temperatures to the region.
Climate Prediction Center: ENSO Diagnostic Discussion - NOAA Cali Roda El Nino
Southern California is likely to see above-normal rainfall, which can lead to increased risks of flooding. El Niño often brings warmer temperatures to the region
Intense, heavy rain during an El Niño winter can cause mudslides and landslides, particularly in hilly areas. particularly in hilly areas.