Weird Polar Warming Appears to Have Made February of 2017 the Second Hottest Ever Recorded 

robertscribbler

I think the scientific consensus will be that February probably should not have been so darn hot. But it was. And that’s pretty amazingly weird.

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Clocking in at 1.32 C above 1880s averages, the month was oddly and disturbingly warm. The strong equatorial Pacific Ocean surface warming that was the El Nino of 2015-2016 had long since passed. The effects of a weak La Nina cooling of the same waters during late 2016 still lingered. And the Pacific Decadal Oscillation (PDO) — a measure of ocean surface temperature oscillation in the Pacific that tends to help drive natural variability based warming and cooling cycles — showed a meager warming bias value of 0.08 (or barely positive).

All these factors pointed toward a climate system that should have been pulling the world into a cyclical short term cooling during 2017 and 2018. Global temperatures under such conditions would have…

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