Mild Land and Ocean Air Temps October 2021

Science Matters

The post below updates the UAH (U. of Alabama in Huntsville) record of air temperatures over land and ocean.  But as an overview consider how rapid cooling  recently completely overcame the warming from the last 3 El Ninos (1998, 2010 and 2016).  The UAH record shows that the effects of the last one were gone as of March 2021. (UAH baseline is now 1991-2020). For reference I added an overlay of CO2 annual concentrations as measured at Moana Loa. While temperatures fluctuated up and down ending flat, CO2 went up steadily by ~55 ppm by 2020, a 15% increase.

Furthermore, going back to previous warmings prior to the satellite record shows that the entire rise of 0.8C since 1947 is due to oceanic, not human activity.

gmt-warming-events

The animation is an update of a previous analysis from Dr. Murry Salby.  These graphs use Hadcrut4 and include the 2016 El Nino warming…

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