El Niño is strengthening

Sea temperatures along the equator are increasingly above normal, creating perfect conditions for El Niño. Forecasters are highly confident that this year’s El Niño will continue through the latter part of the year.

As temperatures continue
to rise, a weak to moderate
El Niño is established.

Warmer temperatures begin
to expand along the equator.

Above-normal sea
temperatures appear
west of South America

(in degrees Celsius* above normal)

Rise in ocean temperatures

April 23, 2015

May 14, 2015

March 26, 2015

Lorena Elebee / @latimesgraphics

*1 degree change Celsius equals 1.8 degree
change Fahrenheit.

Source: National Oceanic and Atmospheric