Aussie climate scientist specialising in heatwaves/extreme heat at WSU, Vancouver. Opinions are my own 
(she/her)
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Simultaneously occurring large #HeatWaves became larger (+45%), more frequent (x7), and more intense (+17%) since the 1980s, posing an increasing risk to society. Changes are due to #GlobalWarming and changing mid-latitude atmospheric patterns
https://doi.org/10.1175/JCLI-D-21-0200.1 …pic.twitter.com/9ToODhGtU9
Increases in two mid-latitude atmospheric patterns exacerbated increases in simultaneously occurring (aka concurrent) #heatwave frequency over eastern Europe, the Barents and Kara Seas, and parts of the Pacific Ocean #AtmosphericDynamicspic.twitter.com/Mu2jJENmFR
#GlobalWarming has driven increases in concurrent #heatwave frequency over the majority of the Northern Hemisphere mid- to high-latitudes #ClimateActionNow #ClimateCrisis #ClimateEmergencypic.twitter.com/pT2b1t3Nda
While #heatwaves pose a major threat to human health, ecosystems, and human systems, concurrent heatwaves affecting multiple regions can worsen such threats. E.g. food-producing regions with simultaneous heat-related crop losses could drive food shortages #FoodInsecurity
Research by @ClimateChirper, @KKornhuber @sarahinscience, Paul Loikith, and me. Published in #JClimate @AMSJCLi https://doi.org/10.1175/JCLI-D-21-0200.1 … @SoeWsu @wsuv_research @wsucahnrs @CASatWSU
Interesting analysis, though I’d have a hard time attributing it entirely to global warming. Many areas in the Northern Hemisphere were coming out of a cyclically cool period in 1980. If the analysis included data over 100+ years, I’d be more convinced. 1980 seems arbitrary.
thats interesting,Cass, none in Europe of any significance since 1976. and many as warm or warmer in the 19th century,then we have the worst drought in recorded history. 1538/41 nothing since comes close. What turned the Indus Valley into the Thar Desert,
Hi @ianbrow97534170 . What data are you basing this claim on? There have been some devastating heatwaves in Europe since 2000https://twitter.com/PreventionWeb/status/1458193955628195854 …
Did you know there is blog named "Cassandra's legacy" run by prof @gelderon52? Check it out! ;) https://cassandralegacy.blogspot.com/
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