The North Atlantic Seesaw

Watts Up With That?

Guest Post by Willis Eschenbach

In my peripatetic meandering through the CERES satellite data, I’ve been looking at the correlation between the temperatures in the NINO3.4 region and the temperatures of the rest of the planet.

The NINO3.4 region is an area in the equatorial eastern Pacific Ocean. It covers five degrees north and south of the Equator, from 170° West to 120° West. Temperatures in that area are used to measure the strength of the El Nino / La Nina phenomenon.

Now, people often discuss procedures like “removing the effects of the El Nino from the global temperature record”. What they mean is that they have noted the similarity between the temperature of the NINO3.4 region and the global temperature. Figure 1 shows that relationship as seen in the CERES data.

Global and enso34 surface temps

Figure 1. Surface temperature of the globe (blue) and of the central Pacific ENSO3.4 area (red)…

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