A Collaborative National Center for Fusion & Plasma Research
October 9, 2013, 3:00pm to 4:30pm

MBG Auditorium

COLLOQUIUM: Effects of a Rapidly Warming Arctic on Weather Patterns in Mid-Latitudes

Professor Jennifer Francis
Rutgers University

In this presentation I will build on the study presented in Francis and Vavrus (GRL, 2012) in which mechanisms were proposed and demonstrated that link enhanced warming in the Arctic during recent decades with changes in weather patterns in mid-latitudes. Evidence suggests Arctic Amplification may have contributed to an increase in large-scale wave amplitude and slower zonal upper-level winds, both of which favor more persistent weather patterns in mid-latitudes. Prolonged weather conditions are often associated with extreme weather -- such as droughts, cold spells, heat waves, and some flooding events -- some of which appear to be increasing in frequency. New analysis of fields from reanalyses and climate-model output will be presented that illustrates the response of mid-latitude upper-level flow characteristics to Arctic Amplification.

Colloquium Committee: 

The Princeton Plasma Physics Laboratory 2019-2020 Colloquium Committee is comprised of the following people. Please feel free to contact them by e-mail regarding any possible speakers or topics for future colloquia.

Carol Ann Austin, caustin@pppl.gov
Marc-Andre DeLooz, mdelooz@pppl.gov
Erik Gilson, egilson@pppl.gov
Jessica Ilagan, jilagan@pppl.gov
Igor Kaganovich, ikaganov@pppl.gov

  • Carol Ann Austin 609-243-2484

U.S. Department of Energy
Princeton Plasma Physics Laboratory is a U.S. Department of Energy national laboratory managed by Princeton University.

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