The current surface temperature of the Pacific Ocean . Can you see any indication of El Niño or La Niña effects?
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El Niño episodes occur every three to seven years, with the most recent event in 1997-98. Compare the top satellite image to the two on the right. The top image was taken last week. Where do you think we are in the cycle? |
Surface temperature of the Pacific Ocean during the El Niño of 1997-98 (middle). Look for warmer temperatures (red) off the western coast of South America. Surface temperature of the Pacific Ocean during the La Niña of 1998-99 (bottom). Look for cooler temperatures (blue) in the central Pacific.
