What is a heat dome?

What is a heat dome? Thanks for asking!   The Pacific north-west is typically a mild region when it comes to weather. But in late June, Western Canada experienced record temperatures, with the province of British Columbia hit particularly hard. Temperatures are usually around 21° on the Pacific coast, but reached 49.5°C in Lytton, a village around 100 miles to the North-east of Vancouver. Cities on the other side of the border weren’t spared either, with Portland and Seattle both seeing their respective record temperatures smashed. We’re used to talk of heatwaves, but observers have labelled the latest situation a heat dome. What’s the science behind these extreme temperatures? How dangerous is the heat dome? To what extent are heat domes due to climate change? In under 3 minutes, we answer your questions! To listen to the last episodes, you can click here: What is the Olympic flame? What is the glass ceiling? What is the offside rule? A podcast written and realised by Joseph Chance. See acast.com/privacy for privacy and opt-out information. Learn more about your ad choices. Visit megaphone.fm/adchoices

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