The study, which was published online on Dec. 15, 2014, reveals that an El Niño event that begins in spring or early summer tends to transition to a La Niña event by the next year.
In contrast, an El Niño event that begins in fall tends to persist through the following spring, thus setting the stage for another El Niño event in the next year. These findings are expected to help improve the seasonal prediction of U.S. precipitation, as U.S. precipitation patterns are strongly influenced by the occurrence of El Niño or La Niña events.
To view the full paper, visit: onlinelibrary.wiley.com/doi/10.1002/2014GL062484/pdf
Americans’ health, security and economic wellbeing are tied to climate and weather. Every day, we see communities grappling with environmental challenges due to unusual or extreme events related to climate and weather. In 2011, the United States experienced a record high number (14) of climate- and weather-related disasters where overall costs reached or exceeded $1 billion. Combined, these events claimed 670 lives, caused more than 6,000 injuries, and cost $55 billion in damages. Businesses, policy leaders, resource managers and citizens are increasingly asking for information to help them address such challenges.
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