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Oppressive humidity strangles Southern California, brings health dangers
Los Angeles Times • • nation
Key Points:
- Southern California experienced punishingly hot temperatures above 100 degrees on Wednesday, with humidity making conditions feel 5 to 10 degrees hotter, and relief is not expected until Friday.
- The heatwave is driven by a strong upper-level ridge of high pressure from Arizona combined with offshore flow, raising temperatures 8 to 15 degrees above normal and causing uncomfortable nighttime warmth.
- High humidity levels, with dew points in the 70s for much of Los Angeles and Ventura counties, are intensifying the heat's impact, increasing risks of heat-related illnesses, especially for vulnerable populations.
- Public health officials urge residents to limit outdoor activities, seek air-conditioned spaces, stay hydrated, and check on at-risk individuals due to the dangerous combination of heat and humidity.
- Showers and thunderstorms are possible in mountainous areas with flood risks, and temperatures are expected to gradually decrease starting Thursday, with significant relief from humidity anticipated by Friday.
