Automatic Tracking of Pregenesis Tropical Disturbances Within the Deviation Angle Variance System.......................... OG Rodrlguez-Herrera, KM Wood, KP Dolling, WT Black, EA Ritchie, and JS Tyo 254 Spatiotemporal Pattern Recognition and Nonlinear PCA for Global Horizontal Irradiance Forecasting.................................................... GA Licciardi, R. Dambreville, J. Chanussot, and S. Dubost 284 Vegetation and Land Surface