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The first in a potent pair of atmospheric river-fueled storms is lashing Northern California with heavy rain and wind Wednesday.. More than 20 million people across California were under flood ...
In early February, the National Weather Service’s Climate Prediction Center announced that El Niño is transitioning to a neutral pattern of the El Niño Southern Oscillation, or ENSO, with ...
El Niño conditions are forecast to last until next spring. Will El Niño bring another winter of rain and floods to California’s Central Coast? Skip to main content
The 1982–1983 El Niño event was one of the strongest El Niño events since records were kept. It led to droughts in Indonesia and Australia , widespread flooding across the southern United States , lack of snow in the northern United States, and an anomalously warm winter across much of the mid-latitude regions of North America and Eurasia ...
The ENSO cycle has a huge effect on rainfall and snowfall patterns in California, especially during the winter and spring seasons. During the El Niño phase, the jet stream is located south through California, allowing for warmer temperatures and more heavy rains to occur, particularly in the southern portions of the state.
This image shows sea surface temperature departures from the historical average on Dec. 11, 2023. Shades of orange and red depict warmer-than-average water, while shades of blue depict cooler-than ...
Sometimes rainfall can occur in the summer from westward-straying monsoon thunderstorms, but this is unusual. Even less common is rain from remnants of dissipating eastern Pacific hurricanes. Los Angeles averages only 14.7 inches (373 mm) of precipitation per year, and this is lower at the coast and higher in the mountains and foothill cities. [24]
Across Alaska, El Niño events do not have a correlation towards dry or wet conditions; however, La Niña events lead to drier than normal conditions.During El Niño events, increased precipitation is expected in Southern California, Arizona, and New Mexico due to a more southerly, zonal, storm track over the Southwest, leading to increased winter snowpack, but a more subdued summer monsoon ...