MJO composites based on a multivariate index utilizing outgoing longwave radiation, 850 hPa zonal wind and 200 hPa zonal wind data (Wheeler and Hendon, 2004). Examples of the index are available at the Bureau of Meteorology Research Centre. Only data significant at the 95% confidence interval are shaded in the composites.

200 hPa Velocity Potential
Outgoing Longwave Radiation
850 hPa Wind and Velocity Potential
Sea Level Pressure