Major pattern change to set up heat dome over the West this weekend | CNN

Yet another brutal heat dome is set to roast part of the United States starting this weekend as part of a major weather pattern change. The East Coast was in the hot seat last week and the West is next up for a heat dome — a large area of high pressure that stalls over an area, trapping heat and driving up temperatures. High temperatures are expected to soar 10 to 15 degrees higher than normal during the hottest month of the year — well into the triple-digits for some locations. The renewed blast of heat could also raise wildfire concerns. Some of the most intense heat will center on the Rockies, where some daily records are likely to be tied or broken and a handful of locations could come within a few degrees of all-time high temperature records. Hazardous extreme heat could also shift into the central US early next week as the heat dome expands, but it will take a few days for forecast confidence to grow. Heat has long been the deadliest type of weather in the US, but the threat is rising. Heat waves are now longer lasting, more intense and more likely to occur due to emissions from the burning of fossil fuels. A rapid attribution study found that the combination of extreme h