Is El Nino Developing? An El Nino could develop by the peak of hurricane season.

La Niña’s three-year run officially ended earlier in March. The Climate Prediction Center officially designated ENSO-neutral conditions.

ENSO, or El Niño Southern Oscillation, is the recurring climate pattern that involves changes in the temperature of the water in the central and eastern tropical Pacific.

When the temperature anomaly is cooler than .5 degrees Celsius, a La Niña is present. When it is greater than .5 degrees Celsius an El Niño develops. When it’s neither, the state of ENSO is considered to be neutral.

The state of ENSO has worldwide weather ramifications. La Niña, in hurricane season typically promotes a higher-than-normal frequency of storms. El Niño on the other hand tends to promote a quieter season in terms of number of storms.

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