'Potential vorticity' presentation slideshows

Call 1-888-913-9967 Passcode 69801

Call 1-888-913-9967 Passcode 69801. Potential Vorticity and Its Application in Operations. Philip N. Schumacher 11 December 2007 This talk is based on work done with Dr. Martin Baxter of Central Michigan University and Josh Boustead of WFO OAX. Overview.

718 views • 63 slides

Solid body rotation (XY):

Solid body rotation (XY):. low pressure. Divergent flow (XY):. high pressure. Shear flow (XY):. * no pressure perturbation. (stagnation pressures near saddle pts. in streamline pattern). Splat:. Spin:. (eddy rotation). For flow in solid body rotation:. 2D Supercells??. 2D Vorticity Eq.

724 views • 57 slides

The dynamics of observed tropopause polar vortex (TPV) life cycles

The dynamics of observed tropopause polar vortex (TPV) life cycles. Steven Cavallo Advisor: Greg Hakim. University of Washington Department of Atmospheric Sciences. Outline. What are vortices? Distinguishing between waves and vortices Previous studies and results Climatology of TPVs

757 views • 56 slides

Vorticity

Vorticity. Measure of angular momentum for a fluid Tendency of a parcel to rotate Two components of vorticity relative (angular momentum in rotating frame) planetary (rotation of the frame) Important for understanding western boundary currents. Relative Vorticity. Positive Negative.

944 views • 44 slides

Coriolis

722 views • 38 slides

POTENTIAL VORTICITY AND ENERGY ASPECTS OF THE MJO THROUGH EQUATORIAL WAVE THEORY

532 views • 36 slides

The Swiss Initiative for High-Performance Computing and Networking

The Swiss Initiative for High-Performance Computing and Networking. Neil Stringfellow, Associate Director CSCS. Centro Svizzero die Calcolo Scientifico (CSCS) Swiss National Supercomputing Center . Established in 1991 by the Swiss Government as autonomous unit of ETH Zurich

407 views • 31 slides

GOES-R AWG Aviation Team: Tropopause Folding Turbulence Product (TFTP) June 14, 2011

GOES-R AWG Aviation Team: Tropopause Folding Turbulence Product (TFTP) June 14, 2011. Presented By: Anthony Wimmers SSEC/CIMSS University of Wisconsin - Madison. Outline. Executive Summary (1 slide) Algorithm Description (9 slides) ADEB and IPR Response Summary (1 slide)

558 views • 29 slides

Models with reduced vertical structure

Models with reduced vertical structure. Adam Sobel Banff Summer School. Vertical discretizations, 0: N-level system. Level models are derived by numerical discretization of the equations, by a finite-difference method or something

444 views • 28 slides

Class Meeting Nov. 26, 2:00pm-4:45pm

Class Meeting Nov. 26, 2:00pm-4:45pm. Research I, 162. Geostrophic Approximations. Hydrostatic primitive equations Geostrophic approximation (diagnostic) In between (approximately geostrophic models) prognostic inertial-gravity waves filtered Planetary geostrophic approximation

383 views • 25 slides

Time: Tues/Thurs, 3:00 pm. -4:15 a.m.

ATMS 500 2008 (Middle latitude) Synoptic Dynamic Meteorology. Prof. Bob Rauber 106 Atmospheric Science Building PH: 333-2835 e-mail: rauber@atmos.uiuc.edu. Time: Tues/Thurs, 3:00 pm. -4:15 a.m. Synoptic dynamics of extratropical cyclones.

348 views • 22 slides

An Objective Criteria for Ranking Extreme Cold Waves and their Relationship with the Polar Vortex

An Objective Criteria for Ranking Extreme Cold Waves and their Relationship with the Polar Vortex. Mike Cellitti University of Illinois 17 November 2003. Acknowledgements. Bob Rauber John Walsh Diane Portis. Outline. Motivation and Goals Cold Wave Characteristics

348 views • 21 slides

The Thermodynamic Evolution of Recurving Tropical Cyclones

341 views • 19 slides

Model for Prediction Across Scales ( MPAS): Ocean Component

Model for Prediction Across Scales ( MPAS): Ocean Component. Xylar Asay -Davis Matthew Hecht, Philip Jones, Mathew Maltrud , Christopher Newman, Mark Petersen, Todd Ringler Los Alamos National Lab PDEs on the Sphere 2010 August 2010. Contributors.

290 views • 17 slides

Generation and Initial Evolution of a Mode Water ? -S Anomaly

Introduction & Motivation Variations in the S Pacific Salinity Maximum The South Pacific Eastern Subtropical Mode Water Modeling Study Seasonal Mode Water Evolution Potential Vorticity ? -S Anomaly Turner Angle Double-Diffusion Microstructure Mixing Parameterization

252 views • 15 slides

Appalachian Lee Troughs: Their role in initiating deep convection and severe thunderstorms

Appalachian Lee Troughs: Their role in initiating deep convection and severe thunderstorms. Dan Thompson ATM 504. Overview. Importance Formation Case study Future work. Seaman and Michelson 2000. Why are lee troughs important?. Sources of low-level vorticity, convergence and moisture

241 views • 12 slides

Vorticity

Vorticity. Relative vorticity where U/R is the curvature term and -?U/?n the shear term Absolute vorticity where f is the Coriolis parameter. ? written without a subscript normally refers to ? a . Potential vorticity: ratio of absolute vorticity to depth of an air column

611 views • 10 slides

SO441 Synoptic Meteorology

SO441 Synoptic Meteorology. Lesson 6: Potential vorticity. Potential Vorticity. Concept of potential vorticity : Take a column of air defined by two potential temperature surfaces ( ? and ? + ?? ). Move this column of air eastward. Force it to go up and over a mountain range.

168 views • 7 slides

Science Update

Science Update. The “wavelets” project (motivation Andrews/Lorenc). The “potential vorticity” project (collaborator Mike Cullen). Ross Bannister, DARC PI Meeting, Oct. 17 th 2005. The ‘parameter’ transform. Deals with multivariate aspects of f/c error covariances.

185 views • 7 slides

A Preliminary Meteorological Interpretation of Correlated Huygens DWE and HASI Data

A Preliminary Meteorological Interpretation of Correlated Huygens DWE and HASI Data. M. Allison 1 , F. Ferri 2 , M.K. Bird 3 , M. Fulchignoni 4,5 , S.W. Asmar 6 , D.H. Atkinson 7 , G. Colombatti 2 , G.L. Tyler 8 and the DWE and HASI Experiment Teams.

131 views • 1 slides