Record-breaking heat dome expected to bring dangerous temperatures to US south-west
Summary
A large heat dome is expected to cause very high temperatures across the southwestern United States through early September, affecting over 45 million people. The National Weather Service warns this extreme heat can be dangerous, especially at night when temperatures stay high, and encourages people to stay hydrated and use cooling centers.Key Facts
- The heat dome will bring daytime temperatures between 110-115°F (43-46°C) in the US southwest.
- Over 45 million people are forecast to be affected by this heat wave.
- Nighttime temperatures will remain high, offering little cooling relief.
- The National Weather Service classifies this event as Extreme Heat Risk.
- Heat domes happen when high pressure traps hot air, raising and keeping temperatures very high.
- Parts of Texas to California will see heavy showers and thunderstorms from monsoonal moisture.
- Cities like Los Angeles will open cooling centers to help people escape the heat.
- Experts link the increased frequency and intensity of heatwaves to climate change effects.
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