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Paul Walsh's avatar
Paul Walsh
Mar 26, 2026
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Image Source: ERaaS Health

“Timely and personalized interventions related to extreme environmental events affords health plans a new and impactful opportunity to save lives and reduce avoidable spend.”— Chief Medical Officer, Leading Regional Health Plan

Extreme heat is the leading cause of weather-related death in the United States. Not hurricanes. Not tornadoes. Heat. And this week, Southern California recorded March temperatures that rivaled the hottest on record.

Inland temperatures exceeded 100 degrees Fahrenheit. Overnight lows stayed in the 60s and 70s — so warm that the body never fully recovers. The National Weather Service issued an extreme heat warning for much of Los Angeles County through Friday. Climate scientist Daniel Swain described it simply as “a full-on summer heat wave in March.”

Communities haven’t had time to acclimate. The heat is arriving months earlier than typical. Seniors, outdoor workers, and coastal residents without air conditioning are at greatest risk.

That…

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