Images from NOAA show the vast Pacific Ocean and water temperatures differences relative to historical averages in the El Niño year of 1997, left, and July 2015, right. Broad red bands show warming in both years.
Images from NOAA show the vast Pacific Ocean and water temperatures differences relative to historical averages in the El Niño year of 1997, left, and July 2015, right. Broad red bands show warming in both years. National Oceanic and Atmospheric Administration
Images from NOAA show the vast Pacific Ocean and water temperatures differences relative to historical averages in the El Niño year of 1997, left, and July 2015, right. Broad red bands show warming in both years. National Oceanic and Atmospheric Administration