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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. During the La Niña phase, the jet stream is much further north, and therefore the far northern portions of California are wetter, while the southern ...
Essentially, the mountain ranges separate southern California into two distinct climatic regions: The heavy-populated coastal area west of these mountains is the one most associated with the term "southern California" and is characterized by pleasant weather all-year round, without frequent heat spells in the summer and without low temperatures ...
The Santa Anas are katabatic winds (Greek for "flowing downhill") arising in higher altitudes and blowing down towards sea level. [7] The National Weather Service defines Santa Ana winds as "a weather condition [in southern California] in which strong, hot, dust-bearing winds descend to the Pacific Coast around Los Angeles from inland desert regions".
A United States Geological Survey report found that with sea levels rising because of climate change, Southern California could lose up to two-thirds of its beaches by 2100.
"The reason behind the lag, especially toward the West Coast, is because during the summer the land of the western U.S. heats up quicker than the Pacific which lowers pressure over land with ...
While some measurements suggest the 2015-2016 El Niño was the strongest on record since 1950, [29] Southern California received below average precipitation contrary to what the Climate Prediction Center predicted leading up to the winter months. [31]
Nov. 12, 2023, Hawthorne, California: High 83F, with a bone-dry humidity recording of 9%. Nov. 14, 2021, Burbank, California: A scorching high of 92F with humidity again in the single digits.
The Transverse Ranges are another major Southern California mountain system primarily in the Mediterranean climate zone. Large earthquakes can do considerable damage to populated areas, and to the state's water, transportation, and energy infrastructure. The Central Valley of California is a significant feature of Mediterranean climate ...