Canada's deadly heatwave, the most severe on record, is expected this week to continue surpassing high temperatures seen decades ago, according to climatologists. This report produced by Jillian..
The heat wave is caused by what meteorologists describe as a dome of high pressure and worsened by human-caused climate change, which is making such extreme weather events more likely and more intense.
The “heat dome” weather phenomenon can trigger record breaking temperatures.
![Deadly Canadian heatwave still shattering records [Video]](https://video.newsserve.net/300/v/20210630/2106302108-Deadly-Canadian-heatwave-still-shattering-records.jpg)
![Sweltering heatwave linked to sudden deaths in western Canada and US Northwest [Video]](https://video.newsserve.net/300/v/20210630/2106301844-Sweltering-heatwave-linked-to-sudden-deaths-in-western.jpg)
![After a historic heatwave, Pacific Northwest heat dome is slowly eroding [Video]](https://video.newsserve.net/300/v/20210629/2106292329-After-historic-heatwave-Pacific-Northwest-heat-dome.jpg)
