Late December Brings Higher Atmospheric River Risk To California
• Forecasts indicate an above-normal risk of atmospheric rivers in Northern and Central California from late December into early January.
• Multiple weather models suggest increased precipitation, particularly in Northern California, supported by Pacific weather patterns and MJO/QBO influences.
• Healthy reservoir levels and minimal drought conditions mean California is well-prepared to handle the expected rainfall.
Late December atmospheric river risk for California
As we approach late December, California faces an elevated risk of atmospheric rivers, according to forecasts from UC San Diego’s Center for Western Weather and Water Extremes. These forecasts suggest a higher-than-normal probability of atmospheric river activity impacting Northern and Central California from late December through early January.
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