- Title
- Outline
- Of great interest....
- Some Problems
- Issues and Observations
- The NAO (glossy cartoon from Lamont)
- The NAO (continued...)
- The NAO Index
- The NAO Index (earlier this year)
- The Princeton Index(!)
- Hemispheric Modes of variablity?
- Spatial pattern of the NAO
- First four EOFs of NCEP reanalysis surface winds
- Annular Modes: Two Points of View
- Zonally averaged zonal wind
- Zonal wind in low and higt AO index states
- Models
- First EOF (surface pressure) from zonally symmetric GCM
- High and low index events (zonally symetric Model)
- Composite zonal wind anomaly in GCM
- One-point correlation (teleconnection)
- Simultaneous Correlations (zonally symmetric GCM)
- Schematic of generation of eddy-driven jet
- Generation of Zonal Motion - Momentum Fluxes and Rossby Waves
- Time and Zonally Averaged Flow in a Barotropic Model
- First Two EOFs in a barotropic model
- EOFs Zonally Averaged Wind
- Leading EOFs in statistcally symmetric barotropic model
- 1 Pt Correlations, Zonally symmetric barotropic model
- 2-D structure in Dynamical Core
- Effects of Asymmetries
- EOF (contours) and EKE (colours)
- EKE and EOF in asymmetric barotropic model
- The Spatial Patterns and a Simple Stochastic Model
- The Mean Zero Brownian Bridge
- Sample Paths
- Covariance function of B and M
- The EOFs
- First Four EOFs
- A Collection of Random Walks
- The Correlation Fields
- First EOF of random field with zonal correlation
- Heuristics of NAO, Annular Models, and EOFs
- Conclusions
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