PPT-SO254 – relative and planetary vorticity

What is vorticity Many meteorological web sites include some form of vorticity contours on the 500mb charts Why How does having contours of vorticity help a meteorologist understand the atmosphere. 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.. with Large Eddy Simulation. Dan Yao . Zhiyong. . Meng. Peking University. Summer . 2015 Meeting . of . Fuqing’s. Group. Penn State University. 17. th. August 2015, State College, PA. Narrow. damage swath. 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. 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. Lagrangian. . Hydrocodes. Philip Roe. Department of Aerospace Engineering. University of Michigan. Ann Arbor. Presented at . Multimat. 2011, . Arcachon. , France, September 2011. Motivation. Godunov-type methods have enjoyed much success in . What is advection?. Advection is the transfer of a property of the air by the wind. There are many things that can be . advected. : temperature, vorticity (relative and planetary), momentum, moisture. Extratropical. cyclones. View of an . extratropical. cyclone from above (top panel) and from the side (bottom panel). In top panel, gray lines are isobars with pressures in . mb. , red L indicates the center of the . flow over isolated peaks. 13.1: 3D perspective: . What controls whether the flow goes around or over a mountain obstacle?. F. low over isolated peaks. wind. ridge across wind . ridge along wind . Fr. Extratropical. Cyclone 3-4 January 2008. Record-setting wind speeds. Central pressure of 956 . mb. Rapid . Cyclogenesis. Characterized by strong warm . a. dvection. Heavy Precipitation. . Showing Warm Advection in Northern California. Wallace A. . Hogsett. and Stacy R. Stewart. Journal of Atmospheric Sciences. Volume 71. January 2014. Connor Nelson. March 2015. AATM 741: Problems in Tropical Cyclone Research. Journal Discussion. General Thoughts?. in Peripheral HIC. Dujuan. Wang. 1. 2014 . CBCOS, Wuhan. , . 11/05/2014. University . of Bergen, . Norway. Introduction. Vorticity. for LHC, FAIR & NICA. Rotation in an exact hydro model. Summary. Getting the Audience’s Attention. LPI Education and Public Engagement. August 22, 2018. Online Participants. Joining online? . Please share your thoughts and responses. throughout the session in the chat box.. PRESENTER: . Paige . Valderrama. Graff. paige.v.graff@nasa.gov. . Jacobs/JETS . @ NASA . Johnson Space Center. Blue Marble Matches: . Using Earth for Planetary Comparisons. Today we will:. Identify common . Earth’s Surface. Atmosphere. Solar Incident. Reflected by Atmosphere. Reflected by Surface. Simplified (isotropic) shortwave radiation model. S = incident. R = cloud. reflection. A = absorption.