The Pacific decadal curret oscillation (Warm to cool to warm to cool to . . .) and these oscillations in turn cause La Nina and El Nino.
La nina Actually, it's El Nino
La Nina causes increases in precipitation in places such as India and increased dryness along the Pacific coasts of the Americans.
la nina
la nina
la nina
There is unusually low air pressure over the western tropical pacific.
California Current
la Nina
La nina
colder than average surface temperatures in the eastern pacific
La Nina decreases hurricanes in the Pacific and increases them in the Atlantic.
La Nina is a change in temperature that produces cooler temperatures at the surface.