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Late-September heat wave leaves climate experts stunned

Late-September heat wave leaves climate experts stunned

“Never been a heat wave of this duration and magnitude this late in the season,” reports NOAA

Places where temperatures are projected to be within one degree of a record high Wednesday. CREDIT: National Weather Service via WashPost/WeatherBell.com.
PLACES WHERE TEMPERATURES ARE PROJECTED TO BE WITHIN ONE DEGREE OF A RECORD HIGH WEDNESDAY. CREDIT: NATIONAL WEATHER SERVICE VIA WASHPOST/WEATHERBELL.COM.

Century-old records across the Midwest and East Coast are being shattered by a monster late-September heat wave — the kind of extreme weather we can expect to get much worse thanks to President Donald Trump’s policies to undermine domestic and global climate action.

“There has never been a heat wave of this duration and magnitude this late in the season in Chicago,” the National Weather Service reported Tuesday evening.

“Summer in some regions of the world will become one long heatwave even if global average temperatures rise only 2°C [3.6ºF] above pre-industrial levels,” finds a study published Monday in Nature Scientific Reports. The Paris climate agreement, which Trump has decided to pull out of, seeks to limit global warming to “well below” 3.6ºF.

On Wednesday, another study showed the connection between deadly heat waves and climate change. Scientists with World Weather Attribution (WWA) released an analysis of Europe’s blistering summer heat, which included the heat wave so deadly it was nicknamed “Lucifer.” The researchers found, “climate change increased the chances of seeing a summer as hot as 2017 by at least a factor of 10 and a heat wave like Lucifer by at least a factor of four since 1900″ (emphasis in original).

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