El Niño is a warm temperature anomaly pattern primarily located across the equatorial Pacific Ocean. The entire cycle known as the El Niño Southern Oscillation encompasses the sea surface temperature and deeper thermocline anomalies alongside an atmospheric pressure pattern. The ENSO cycle causes global changes of both temperatures and rainfall. (courtesy graphic)

Download Image: Full Size (0.31 MB)
Photo by:  |  VIRIN: AFG-151113-006.jpg