Isentropic Analysis
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Isentropic Analysis
Outline
Motivation
IPV & Trajectories (President’s Day Storm)
Stengths Of Isentropic Analysis
Fundamental Concepts
Equations of Motion
Basic Equations
Mass Continuity
Geostrophic Wind
Thermal Wind
XS: Thta & T
250mb PFJ & STJ Newton & Persson 1962
XS: PFJ & STJ Newton & Persson 1962
Historical Development
Shaw: Isentropic Surface -1901
Shaw: Over World & Under World
Rossby X-section 1936
1940 Surface Analysis (Byers)
1940: Isentropic Analysis (Byers)
1941: 302K Isentropic Analysis (Starr)
1945: Isobaric Analysis
Visualization of Atmospheric Processes
Cold Outbreak Trajectories
Cyclone Airflow Schematic (Carlson, 1980)
IPV & Trajectories (President’s Day Storm)
IPV & Trajectories-side (President’s Day Storm)
Estimation of Vertical Motion
March 1993 Overview
Surface Analysis (12Z 13 March 1993)
850mb Z & T (13 March 1993)
850mb Z & Theta (13 March 1993)
700mb Z & Theta (13 March 1993)
290K p & U (13 March 1993)
290K p Adv. (13 March 1993)
290K omega (13 March 1993)
Analysis of Atmospheric Transports
Surface & 312K (27 May 1973)
850mb & 700mb (27 May 1973)
Stuve - 295 K Surface
12Z 24 Nov 1986 (295K)
00Z 25 Nov 1986 (295K)
00Z 26 Nov 1986 (295K)
12Z 26 Nov 1986 (295K)
Cyclone Water Vapor Budgets
Water Vapor Transport Equations
850mb Dewpoint & wind
850mb Water Vapor Transport
312K Water Vapor Transport
Surface & 320K 13 Jan 1979
Q & U 12Z 14 Jan 1979
Stability Tendancy Equations
Lid: Stability Transport
Jet Schematic
Jet XS Schematic
Dynamic Destabilization
Danielson Cross Section
305K psi & p (10-12 April 1979)
Cold Pool Stability
Potential Vorticity and Atmospheric Dynamics
IPV Schematic (Hoskins)
310K Psi & IPV (11 April 1979)
IPV & PMSL (President’s Day Storm)
IPV & Trajectories-side (President’s Day Storm)
CSI: XS Kuo & Reed
CSI: Frontogenesis (Emanual)
CSI: LWX Snowfall
CSI LWX XS Omega
CSI: LWX XS Frontogenesis
Stengths Of Isentropic Analysis
Stengths Of Isentropic Analysis
Storm Prediction Center
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Last update: 6/28/2000