Yale Environment 360: Indications are growing that an El Nio weather pattern may be forming in the Pacific Ocean, which could have a profound impact on global weather. El Nio events are spawned by unusually warm ocean waters in the Pacific, and these NASA satellite images are one indication of warmer waters. The images depict sea-surface height anomalies, with above average sea-surface height shown in various shades of brown. Above average sea-surface heights are an indication of warmer waters, which expand as temperatures...