By 2080, Washington D.C. climate may feel like Deep South

phys.org | 2/12/2019 | Staff
marika (Posted by) Level 3
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In a single generation, climate patterns will shift hundreds of kilometres in the United States, according to a study tracking the northward drift of hotter climes brought on by climate change and global warming.

In two generations, or sixty years, the US capital will become as muggy as Memphis or Jackson, Mississippi, if current trends continue unabated.

Preview - Tampa - Florida - Climate - Guatemala

For a preview of Tampa, Florida's climate in 2080, think Guatemala, researchers said Tuesday in the peer-reviewed journal Nature Communications.

Researchers mapped likely changes in 540 US cities—home to 250 million people—over the next 60 years under two greenhouse gas emissions scenarios.

Gases - Atmosphere - Rates - Climates - Kilometres

If planet-warming gases continue to pour into the atmosphere at present rates, they calculated, climates will shift on average 850 kilometres (500 miles) as the crow flies.

Urban dwellers in the United states today, in other words, would have to drive—mostly southward—nearly 1,000 kilometres to get a taste of what their home town will feel like in 2080.

Lifetime - Children - Today - Climate - Regions

"Within the lifetime of children living today, the climate of many regions is projected to change from the familiar to conditions unlike those experienced in the same place by their parents, grandparents, or perhaps any generation for millennia," said lead author Matthew Fitzpatrick, an associate professor at the University of Maryland Center for Environmental Science.

If humanity manages to curb carbon pollution enough to cap global warming at about 3C (5.4 degrees Fahrenheit), the shift would be less dramatic, but still measured in hundreds of kilometres.

Fitzpatrick - Report - Robert - Dunn - University

Fitzpatrick authored the report with Robert Dunn of the University of Denmark.

Global warming is already a destructive reality, amplifying droughts, flooding, heat waves and superstorms, especially in poorer countries most vulnerable to its ravages.

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