NYA Staff
Southern California is experiencing another unusually intense heatwave, with temperatures expected to remain near 100°F in downtown Los Angeles and climb well into the triple digits inland. The National Weather Service expects the heat to persist for at least a week, with temperatures roughly 15–20 degrees above normal.
While October heatwaves are not unusual in Southern California, experts say the severity and duration of this one are extreme. UCLA professor V. Kelly Turner noted that Friday’s temperature was nearly 7°F above the previous October 2 record and about 30 degrees above the historical average.
The heat is also increasing wildfire concerns, although forecasts do not currently call for the strong winds that can rapidly spread fires. Low soil moisture and extreme temperatures nonetheless create more favorable conditions for fires.
Scientists caution that no individual heatwave can automatically be attributed to climate change. But research shows that as global temperatures rise, heatwaves become more frequent and longer lasting. UCLA atmospheric physicist David Neelin said a warmer climate increases both the strength and probability of extreme heat.
The heatwave is arriving during major outdoor events, including a Dodgers playoff game. UCLA researcher Edith de Guzman says communities need to invest now in heat adaptation, particularly shade, which she calls one of the most effective ways to protect people as extreme heat becomes more common.