By 2080, many urban areas in the U.S. could have a climate similar to cities today that are hundreds of miles to the south and southwest, according to a new study in Nature Communications.
Data: Fitzpatrick, et. al., “Contemporary climate analogs for 540 North American urban areas in the late 21st century“, 2019; Note: Projection assumes C02 emissions continue unchecked; Map: Andrew Witherspoon/Axios
Why it matters: The projected shifts in climate if greenhouse gas emissions are unmitigated show that the climate young people are growing up with today will be drastically different by the time they are older — and may even have “no modern equivalent.”
By the numbers:
In the scenarios with unchecked emissions, all 540 cities showed an increase in the average annual temperature between the current city and its contemporary analog, with an average increase of 8.2°F.Annual precipitation was more mixed, with 218 cities experiencing less rain and 322 with more, for an average change of +3mm.On average, the contemporary analog city was 528 miles from its 2080 partner.With lower emissions, the average distance shrinks to 230 miles, average annual temperatures would increase by 4.6°F, and precipitation would increase by 22mm.
How they did it: The study, led by Matt Fitzpatrick