A summer that started early across the US has no intention of quitting, even as the calendar turns to autumn.
\n\nThe culprits? El Niño and climate change, which contributed to this summer’s record-breaking warmth and are delaying pumpkin spice season.
\n\nForecasters with the US Climate Prediction Center continue to see increased odds for hotter-than-normal temperatures across much of the country through at least the end of September.
\n\nComputer models show a pronounced ridge pattern, an atmospheric arrangement that can lock in sustained spells of warmer-than-normal conditions. This setup will feature widespread unseasonable warmth throughout the country, a pattern consistent with a strong El Niño. The greatest odds of above-normal temperatures exist around the Upper Midwest and the Deep South. Some models suggest temperatures could run 5 to 10 degrees Fahrenheit above normal for the latter half of September.
\n\nThe blast of unseasonably warm air comes after the hottest summer in US history in a year in which tens of thousands of heat records have fallen across the US. That includes nearly 44,000 record daytime highs and more than 53,000 record-high overnight minimum temperatures recorded at weather stations across the country. Thousands more monthly and all-time heat records have fallen since…
Original source: https://www.wired.com/