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Why twisters target the United States
Manage episode 437900996 series 2652228
Why “Tornado Alley” is unique to North America
Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us.
In this episode, Funing Li and Dan Chavas explain why North America produces many tornadoes each year and South America does not.
In this episode, we cover: •[00:00] Introduction •[01:01] Weather and climate scientist Funing Li talks about the frequency of tornadoes within and outside of the United States. •[01:25] Li explains the geography of severe thunderstorm hotspots in North and South America. •[02:46] Weather and climate scientist Dan Chavas and Li describe how they became interested in the effect of surface geography on tornadoes. •[05:13] Li and Chavas explain their modeling approach. •[07:23] Li and Chavas talk about why surface roughness is important for tornado formation. •[08:14] Chavas and Li describe the implications of the study, including effects of climate change and insights into paleoclimate. •[09:43] Caveats and limitations of the study. •[10:26] Conclusion.
About Our Guests:
Funing Li Postdoctoral associate Massachusetts Institute of Technology
Dan Chavas Associate professor Purdue University
View related content here: https://www.pnas.org/doi/10.1073/pnas.2315425121
Follow us on Spotify, Apple Podcasts, YouTube, or wherever you get your podcasts for more captivating discussions on scientific breakthroughs!
Visit Science Sessions on PNAS.org: https://www.pnas.org/about/science-sessions-podcast
Follow PNAS: Twitter/X Facebook LinkedIn YouTube Sign up for the PNAS Highlights newsletter
384 епізодів
Manage episode 437900996 series 2652228
Why “Tornado Alley” is unique to North America
Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us.
In this episode, Funing Li and Dan Chavas explain why North America produces many tornadoes each year and South America does not.
In this episode, we cover: •[00:00] Introduction •[01:01] Weather and climate scientist Funing Li talks about the frequency of tornadoes within and outside of the United States. •[01:25] Li explains the geography of severe thunderstorm hotspots in North and South America. •[02:46] Weather and climate scientist Dan Chavas and Li describe how they became interested in the effect of surface geography on tornadoes. •[05:13] Li and Chavas explain their modeling approach. •[07:23] Li and Chavas talk about why surface roughness is important for tornado formation. •[08:14] Chavas and Li describe the implications of the study, including effects of climate change and insights into paleoclimate. •[09:43] Caveats and limitations of the study. •[10:26] Conclusion.
About Our Guests:
Funing Li Postdoctoral associate Massachusetts Institute of Technology
Dan Chavas Associate professor Purdue University
View related content here: https://www.pnas.org/doi/10.1073/pnas.2315425121
Follow us on Spotify, Apple Podcasts, YouTube, or wherever you get your podcasts for more captivating discussions on scientific breakthroughs!
Visit Science Sessions on PNAS.org: https://www.pnas.org/about/science-sessions-podcast
Follow PNAS: Twitter/X Facebook LinkedIn YouTube Sign up for the PNAS Highlights newsletter
384 епізодів
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