Why is so much of the US broiling this week? A heat dome, explained:
Much of the Midwest and the Northeast is broiling — or set to broil — in extreme summer heat ...
apnews.com/article/heat-dome-heat-wave-midwest-northeast-hot-weather-ba561fb44dd596ee3faf3709e2f9875c
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Key FactsWhy is much of the US sweltering this week? A heat dome, explained
Jun 18, 2024 · Reading time: ~30 sec.
Summary created with AI assistance · Source: apnews.com
Summary created with AI assistance · Source: apnews.com
- A heat dome is considered as what occurs in the atmosphere, while a heat wave describes how it affects people on the ground. A high-pressure system in the upper atmosphere causes the air below to sink and compress, leading to elevated temperatures in the lower atmosphere and creating a bulging dome.
- A heat wave is defined by the intensity of the heat, its duration, and its location. While multiple days of over 90 degrees are normal in Texas, temperatures of 90 degrees or higher are forecasted in the Midwest and Northeast, along with heat indexes of 100 degrees Fahrenheit or more.
- The heat dome will impact a broad swath of the eastern half of the country, from the Great Plains to Maine. Climate change is slowing down and prolonging giant heat waves, affecting more people for longer periods with higher temperatures over larger areas.
- Nearly 77 million Americans were under extreme heat alerts on Tuesday. Another heat warning in Phoenix is expected, where temperatures could reach 114 to 116 degrees, caused by a heat dome. The National Weather Service office has issued two such warnings in recent weeks due to abnormally high-pressure systems creating heat domes.
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Why is so much of the US broiling this week? A heat dome, explained: Much of the Midwest and the Northeast is broiling — or set to broil — in extreme summer heat ...
apnews.com/article/heat-dome-heat-wave-midwest-northeast-hot-weather-ba561fb44dd596ee3faf3709e2f9875c
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