Periodic events called El Niño and La Niña alter the
circulation of warmer and cooler water
in ocean currents, leading to
changes in climatic patterns across large regions.
A University of Utah study suggests something amazing:
Periodic changes in winds 15 to 30 miles high
in the stratosphere influence the seas by striking a vulnerable «Achilles heel»
in the North Atlantic and
changing mile - deep
ocean circulation patterns, which
in turn affect Earth's climate.