PPT-Stratospheric Sudden Warming from a Potential Vorticity Perspective

Rainer Bleck Shan Sun Stan Benjamin John Brown NOAA Earth System Research Lab Boulder Colorado April 2017 Stratospheric Sudden Warming from a Potential Vorticity Perspective Rainer Bleck. M ARSHALL AND AMES R M ADDISON Department of Physics University of Oxford Oxford United Kingdom AVEL S B ERLOFF Department of Mathematics Imperial College of Science Technology and Medicine London United Kingdom Manuscript received 7 March 2011 in 6 …from linear theory of circular, convective cells in a sheared environment, covariance of vertical velocity and vertical . vorticity. is proportional to the storm-relative environmental . helicity. Lesson 6: Potential . vorticity. Potential . Vorticity. Concept of potential . vorticity. :. Take a column of air defined by two potential temperature surfaces (. θ. and . θ. +. Δθ. ). . Move this column of air eastward. Force it to go up and over a mountain range.. Dynamics VI (Potential vorticity). L. Talley Fall, 2015. Talley SIO210 (2015). 1. Variation of Coriolis with latitude: “β”. Vorticity. Potential vorticity. Sverdrup balance. Rossby waves. READING in DPO 6. http://mathicse.epfl.ch/~foureste/. Vorticity is the tendency of fluid elements to . rotate. Vorticity vector:. A property of vorticity:. Just as . streamlines. were defined to be lines that are everywhere parallel to the . Observations, processes, and impact on climate. Stefanie . Kremser. and Larry Thomason. with the help of MANY others…. SSiRC. Workshop 2016 – 25 April. Stratospheric Aerosol: The stuff that dreams are made of. robock@envsci.rutgers.edu. http://envsci.rutgers.edu/~robock. Alan Robock. Department of Environmental Sciences. Rutgers University, New Brunswick, New Jersey. Desire for improved well-being. Consumption of goods and services. Vorticity. . and . vorticity. advection. What is . vorticity. ?. Many meteorological web sites include some form of . vorticity. contours on the 500-mb charts. Why? How does having contours of . vorticity. Greenhouse Effect . ☼ . NORMAL trapping of some of the Sun’s heat . ☼ . Keeps our planet warm enough to support life. Global Warming. ☼. The thickening of the atmosphere with greenhouse gasses (CO. Customize this presentation to fit your needs. Please add or remove content.. Educator Instructions. GLOBAL WARMING POTENTIAL. The purpose of this section is to provide information about the characteristics of greenhouse gases that contribute to their capacity to impact global warming.. CLIMATE FROM A GEOLOGIC PERSPECTIVE 1 GLOBAL WARMING/COOLING CYCLES FROM A GEOLOGIC PERSPECTIVE (meaning a very long time horizon) By Rocky Romero Rev 3 CLIMATE FROM A GEOLOGIC PERSPECTIVE 2 I’ve structured the explanation of Climate Change in three parts… Stephanie Evan; . LACy. /. CNRS. Karen Rosenlof; NOAA . ESRL . CSD. Troy Thornberry. ;. CIRES, . University of . Colorado & NOAA ESRL CSD. Andrew Rollins; . CIRES, University of Colorado & NOAA . P6.6 T. A. Smith* and P. Cunningham The Florida State University, Tallahassee, FL In the following section, the shallow-water model is described, along with the methodology used for this investigat climate. change . in the CMIP5 models. Alexey Karpechko &. Elisa Manzini. 22.4.2013. 2. Contributions . from . many . people, . most importantly:. James Anstey,. Seok. -Woo . Son. ,. Paolo Davini,.