University of California, Merced

Rising Simultaneous Fire Weather Threatens International Firefighting Efforts

Science

Increasing synchronicity of global extreme fire weather

PHYS

Rising simultaneous wildfire risk compromises international firefighting efforts

EurekAlert!

Guardian

Study finds global increase in hot, dry days ideal for wildfires

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Study finds warming world increases days when weather prone to fires around the globe

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Study shows global increase in days that have the right conditions for fires to spark

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Metaculus

Will there be at least 2˚C of global warming by 2100?

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Keeping global warming to 1.5C is "entirely doable" and "simply a matter of political willpower."

Will Global Warming Be Limited to 1.5°C or "Well Below" 2°C?

Researchers from the University of East Anglia and the University of California, Merced found that synchronized extreme fire weather, characterized by exceptionally warm, dry and often windy conditions, has increased strongly worldwide since 1979.

Researchers from the University of East Anglia and the University of California, Merced found that synchronized extreme fire weather, characterized by exceptionally warm, dry and often windy conditions, has increased strongly worldwide since 1979.

The team estimates that more than half of the observed increase in synchronous fire weather is driven by human-caused climate change, while natural climate variability can strongly amplify synchronicity in some regions.

The team estimates that more than half of the observed increase in synchronous fire weather is driven by human-caused climate change, while natural climate variability can strongly amplify synchronicity in some regions.

In many areas, the number of high-risk days happening at the same time has more than doubled. The continental United States averaged 7.7 synchronous fire weather days per year from 1979 to 1988, but in the last 10 years that average rose to 38 days per year.

In many areas, the number of high-risk days happening at the same time has more than doubled. The continental United States averaged 7.7 synchronous fire weather days per year from 1979 to 1988, but in the last 10 years that average rose to 38 days per year.

When extreme fire weather happens in many places at once, it increases the likelihood of widespread fire outbreaks and strains firefighting capacity, because crews, aircraft and equipment cannot be easily shared when everyone needs help at the same time.

When extreme fire weather happens in many places at once, it increases the likelihood of widespread fire outbreaks and strains firefighting capacity, because crews, aircraft and equipment cannot be easily shared when everyone needs help at the same time.

The study found that simultaneous fire weather tends to be more strongly associated with poorer air quality in boreal regions, Equatorial Asia, Africa and South America. In Europe, population exposure to fire-sourced air pollution is almost 200% higher during years with the most synchronous fire weather days.

The study found that simultaneous fire weather tends to be more strongly associated with poorer air quality in boreal regions, Equatorial Asia, Africa and South America. In Europe, population exposure to fire-sourced air pollution is almost 200% higher during years with the most synchronous fire weather days.

The research was supported by funding from the National Science Foundation, the U.S. Department of the Interior's Joint Fire Science Program and by a public grant via the UK Natural Environment Research Council. The findings were published in Science Advances.

The research was supported by funding from the National Science Foundation, the U.S. Department of the Interior's Joint Fire Science Program and by a public grant via the UK Natural Environment Research Council. The findings were published in Science Advances.

Extreme Fire Weather Events Doubled Globally Since 1979

StudyExtreme findsFire globalWeather increaseEvents inDoubled hot,Globally drySince days ideal for wildfires1979

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Extreme Fire Weather Events Doubled Globally Since 1979

StudyExtreme findsFire globalWeather increaseEvents inDoubled hot,Globally drySince days ideal for wildfires1979

The Controversies

Trump

Michaels

Harris

Sunak

Francis

Biden

Macron

Thunberg

Merkel

Attenborough

Guterres

Mann

Whitehouse

Guterres

Skea

Stiell

Gates

Thunberg

Mann

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