AMWG Variability Diagnostics
Dave Williamson's Draft of the WGNE Standard Diagnostics of Variability.
6-Hourly Data plots
Wavenumber-frequency power spectra plots
Daily Data plots
Hovmöller plots of 200 mb velocity potential
Madden-Julian Oscillation index plots
Precipitation rate histograms
Monthly/Seasonal Data plots
Equatorial Pacific Hovmöller plots of anomalies
Timeseries of Niño 1&2, Niño 3, Niño 4 anomalies
Timeseries of surface temperature anomalies
Timeseries of precipitation anomalies
Timeseries atmospheric angular momentum anomalies
EOFs of winter 500 mb geopotential height
Arctic Oscillation EOF
Amplitude and phase of annual cycle
Atlantic SST/precip squared correlation
send questions and comments to
Mark Stevens
(stevens@ucar.edu)