Orthogonal functions Air stations 2 Algorithms 2 Angular distribution 2 Anisotropic alignment 2 Anisotropy 2 Climatology 2 Clouds 2 Coupling 2 Diabatic heating 2 EOF analysis 2 Electrical anisotropy 2 Empirical Orthogonal Function 2 Empirical orthogonal function 2 Errors 2 Experimental conditions 2 Fisher-consistency 2 Fourier analysis 2 Fourier transform 2 Functionals 2 Height anomaly 2 Indian Ocean 2 Indian Ocean (East) 2 Intelligent systems 2 Intra-seasonal 2 Intraseasonal 2 Intraseasonal variability 2 Kernel weight 2 Kernel weights 2 Lapse rate 2