Summary
A heat dome and increased humidity due to a phenomenon called "corn sweat" have caused high temperatures and humidity across many areas east of the Rocky Mountains. This has prompted heat warnings for a large part of the United States, affecting around 85 million people.
Key Facts
- A heat dome is causing high temperatures and humidity.
- "Corn sweat" adds moisture to the air when corn plants release water through their leaves.
- Heat warnings cover areas from Louisiana to Chicago, affecting nearly 85 million people.
- Chicago could experience heat indices over 105°F.
- High humidity makes it harder for our bodies to stay cool.
- Extreme heat can have serious impacts on health, with hot nights providing little relief.
- Extreme heat is the deadliest weather event in the U.S.
- Climate change is making heat waves more intense and frequent.
- The National Weather Service advises staying hydrated, staying indoors, and checking on vulnerable individuals.
- The risk of extreme heat is expected to continue into next week in the Central and Southeastern U.S.
