What is a heat dome? And why is it affecting millions? A visual explainer
![What is a heat dome? And why is it affecting millions? A visual explainer](https://www.usatoday.com/gcdn/presto/2023/06/23/USAT/bf6f88f5-c851-4433-b8db-197b20b08a81-Heat_Dome-topper.png?crop=2568,1445,x575,y248&width=2568&height=1445&format=pjpg&auto=webp)
Tens of millions of Americans across the south-central U.S. – many of them in Texas – have endured a brutal heat wave over the past two weeks.
![](https://i.natgeofe.com/n/fb700cc3-3cdb-48cc-a2bd-1ba9ed6a2c72/NGM-10439-1080x805.jpg)
What is a heat dome? Pacific Northwest swelters in record temperatures.
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Management Practices Critical for Handling Livestock Important During Times of Hot, Humid Weather
![](https://www.researchgate.net/publication/375610370/figure/fig2/AS:11431281204744134@1699949540382/How-a-heat-dome-forms-adapted-from-AFP-2021-and-Hills-and-others-2021.png)
How a heat dome forms, adapted from AFP, 2021 and Hills and others, 2021
![](https://www.nps.gov/yell/learn/nature/images/10EruptCompare.jpg)
Volcano - Yellowstone National Park (U.S. National Park Service)
![](https://www.nps.gov/yell/learn/nature/images/17hotspot_viz.jpg?maxwidth=1300&maxheight=1300&autorotate=false)
Volcano - Yellowstone National Park (U.S. National Park Service)
![](https://sciencepolicy.colorado.edu/icecaps/research/media_coverage/summaries/images/sp2021/cover.jpg)
MeCCO Monthly Summaries :: Media and Climate Change Observatory
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With global warming of just 1.2°C, why has the weather gotten so extreme? » Yale Climate Connections
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What is a heat dome? What to know about the weather phenomenon baking Texas - CBS News
![](https://images.theconversation.com/files/534155/original/file-20230626-27-2k6wiq.png?ixlib=rb-1.1.0&rect=0%2C179%2C1080%2C540&q=45&auto=format&w=1356&h=668&fit=crop)
What is a heat dome? An atmospheric scientist explains the weather phenomenon baking Texas and the Southwest
![](https://www.typeinvestigations.org/wp-content/uploads/2022/06/PrisonHeatingFinal-scaled-e1657556731780-1110x627.jpg)
When the Heat Is Unbearable but There's Nowhere to Go - Type Investigations
![](https://ichef.bbci.co.uk/news/480/cpsprodpb/37C1/production/_119737241_water_cycle_640-2x-nc.png.webp)
How climate change worsens heatwaves, droughts, wildfires and floods
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Heat waves worldwide are breaking records: What to know
How Extreme Heat Can Affect Your Health - WSJ