“…The Singular Value Decomposition can be applied to the analysis of climate data to identify patterns and maximize covariation (P.S. Lucio, F. C. Conde and A. M. Ramos 2007). A quasidecadal mode is isolated using singular value decomposition (SVD) (Mark R. Jury, 2009 ) applied to monthly smoothed and detrended rainfall, sea surface temperature (SST) (Wallace, J. M., Smith, C. and Bretherton, C. S. (1992)), sea level pressure (SLP).…”