Adrian

ALT Infographic titled "What is El Niño?" dated September 24, 2026, from NWS Sacramento. The main text explains that El Niño is the warm phase of the ENSO climate pattern in the tropical Pacific Ocean. A global sea surface temperature anomaly map shows dark red and orange warm anomalies along the equator in the highlighted "Niño 3.4 Region." Text indicates El Niño occurs when this anomaly exceeds a 3-month average of +0.5°C for 5 consecutive monthly periods.

ALT Infographic titled "El Niño Status & Outlook" from NWS Sacramento. An active El Niño Advisory indicates "No Clear Indicator" for Northern CA winter precipitation and "Warmer than Normal" temperatures. Highlights state El Niño is present, with a 98% chance of a very strong event and 75% chance of a historic event relative to data since 1950. A callout starburst emphasizes: "Record Strength does not guarantee Record Impacts."

ALT Infographic titled "What We Know & What We Don't Know" from NWS Sacramento. "What We Know" highlights a 75% chance of a record event, mixed historical precipitation results for NorCal, increased Delta/coastal flood risks from higher sea levels, and reservoirs starting in good shape. "What We Don't Know" highlights specific storm counts, individual storm strengths, exact rain/snow totals, and localized flooding, noting these details only become clear 1 to 2 weeks out.

ALT Infographic titled "El Niño Shifting Actions Timeline" from NWS Sacramento showing four preparedness phases: 1) Seasonal Outlooks (KNOW weather risks and insurance policies); 2) Monthly Outlooks (PREPARE home, clear drains/gutters, check sandbags); 3) Weekly Outlooks (REVIEW emergency supply kits and family plan); 4) Weather Outlooks (ACT by securing outdoor items or preparing for evacuation).