El Nino And La Nina Venn Diagram. El nino rain anomalies. El niño and la niña can both have global impacts on weather wildfires ecosystems and economies.
Then la niña is the cooling phase. This graph shows annual average surface temperatures gray bars grouped by decade from 1950 to 2017. At 110 w left diagram of 110 w conditions show that the cool water below about 17 degrees c the black band in these plots is within 50m of the surface.
El nino and la nina are two of the three phases of a natural cycle called enso the el ninosouthern oscillation across the tropical pacific.
How often do el niño and la niña typically occur. Cooler drier than average weather is. El niño conditions occur when abnormally warm waters accumulate in tropical latitudes of the central and eastern pacific ocean associated with a weakening of the low level easterly winds. Each circuit displays a distinctive voltage condition.