A new analysis suggests that in the winter following a La Niña, dryness in California often deepens into drought. Consistent with that pattern, California’s current drought began in 2011-12, during the second year of a La Niña episode.
For years, people have been pointing to El Niño as the culprit behind floods, droughts, famines, economic failures, and record-breaking global heat. Can a single climate phenomenon really cause all these events? Is the world just a step away from disaster when El Niño conditions develop?