LA NINA IS COMING AND GLOBAL TEMPERATURES ARE RESPONDING

LA NINA IS COMING AND GLOBAL TEMPERATURES ARE RESPONDING

by Meteorologist Paul Dorian

Overview
The collapse of El Nino in the tropical Pacific Ocean has continued throughout the spring season and it should evolve into La Nina conditions by the fall of this year.  El Nino is a naturally occurring oceanic cycle that produces warmer-than-normal sea surface temperatures (SSTs) in the equatorial Pacific Ocean whereas La Nina is associated with colder-than-normal SSTs.  This now fading El Nino event reached its peak intensity level during December 2015 and rivaled in intensity some of the strongest El Nino’s of the past 50 years including those of 1997-1998 and 1982-1983.   El Nino had widespread consequences on weather and climate around the world including a spike in global temperatures and – if history is any guide – its demise and the eventual flip to La Nina will have important consequences as well.  In fact, global temperatures have already been dropping noticeably during the past couple of months – typical of post El Nino time periods – and should continue to do so for the foreseeable future as La Nina becomes well established.

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