Event Brief
L.A. humidity hits record levels this summer
By The BriefBrief · Sources (1)
Filed: Aug 28, 2026 at 5:00 PM ET
Summary: Southern California’s summer humidity is setting new records, making conditions feel more like Florida than the West Coast. Forecasters attribute the oppressive moisture to Tropical Storm Iselle remnants moving over the state and unusually warm ocean temperatures tied to a marine heat wave, a strong El Niño, and climate change.
WHO: Forecasters
WHAT: Humidity levels in Southern California are setting new records, driving extreme, swampy conditions.
WHEN: Aug 28, 2026 at 4:33 PM ET
WHERE: Southern California
WHY: Forecasters attributed the punishing humidity to the remnants of Tropical Storm Iselle moving over the state and unusually warm ocean temperatures linked to a months-long marine heat wave, a powerful El Niño, and climate change.
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.
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