A massive heat wave in the northern Pacific is causing record-breaking warm fall weather in Canada. Experts say the warm ocean is pushing the jet stream north, pulling warmer southern air into the country. Scientists link the increased frequency and intensity of these marine heat waves to climate change, and they expect a warmer-than-usual fall to continue.
https://www.cbc.ca/news/science/heat-wave-climate-change-pacific-blob-1.7652755