NOAA Increases Confidence in Potentially Historic El Niño, Southern California Weather Impacts Uncertain
The National Oceanic and Atmospheric Administration (NOAA) has increased its confidence to 90% that a very strong El Niño will develop this year, up from 81% a month ago. This El Niño could be one of the strongest on historical record, dating back to 1950. El Niño is characterized by a warming of ocean waters off the Pacific coast of South America, typically peaking in winter, which alters atmospheric patterns. While it often leads to an increase in Pacific hurricanes and a decrease in Atlantic ones, and potentially warmer-than-average summers, its specific impacts on regional weather, such as Southern California's winter rainfall, remain uncertain. NBC Los Angeles meteorologist David Biggar noted that a strong El Niño does not guarantee typical impacts everywhere, and past strong El Niño events have resulted in varied outcomes, including some of Los Angeles's driest and wettest years. El Niño is a naturally occurring phenomenon, not caused by climate change, though climate change may influence its frequen...